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Known Exploited Vulnerability
7.8
HIGH CVSS 3.1
CVE-2023-4911
GNU C Library Buffer Overflow Vulnerability - [Actively Exploited]
Description

A buffer overflow was discovered in the GNU C Library's dynamic loader ld.so while processing the GLIBC_TUNABLES environment variable. This issue could allow a local attacker to use maliciously crafted GLIBC_TUNABLES environment variables when launching binaries with SUID permission to execute code with elevated privileges.

INFO

Published Date :

Oct. 3, 2023, 6:15 p.m.

Last Modified :

May 6, 2025, 9:02 p.m.

Remotely Exploit :

No

Source :

[email protected]
CISA Notification
CISA KEV (Known Exploited Vulnerabilities)

For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.

Description :

GNU C Library's dynamic loader ld.so contains a buffer overflow vulnerability when processing the GLIBC_TUNABLES environment variable, allowing a local attacker to execute code with elevated privileges.

Required Action :

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Notes :

This vulnerability affects a common open-source component, third-party library, or a protocol used by different products. Please check with specific vendors for information on patching status. For more information, please see: https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=1056e5b4c3f2d90ed2b4a55f96add28da2f4c8fa, https://access.redhat.com/security/cve/cve-2023-4911, https://www.debian.org/security/2023/dsa-5514 ; https://nvd.nist.gov/vuln/detail/CVE-2023-4911

Affected Products

The following products are affected by CVE-2023-4911 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Redhat enterprise_linux
2 Redhat enterprise_linux_server_aus
3 Redhat enterprise_linux_server_tus
4 Redhat enterprise_linux_eus
5 Redhat virtualization
6 Redhat virtualization_host
7 Redhat enterprise_linux_for_ibm_z_systems_eus
8 Redhat enterprise_linux_for_power_big_endian_eus
9 Redhat enterprise_linux_for_power_little_endian
10 Redhat enterprise_linux_for_power_little_endian_eus
11 Redhat enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions
12 Redhat codeready_linux_builder
13 Redhat codeready_linux_builder_for_ibm_z_systems
14 Redhat enterprise_linux_for_ibm_z_systems
15 Redhat enterprise_linux_for_ibm_z_systems_eus_s390x
16 Redhat codeready_linux_builder_eus
17 Redhat codeready_linux_builder_for_arm64
18 Redhat codeready_linux_builder_for_arm64_eus
19 Redhat codeready_linux_builder_for_ibm_z_systems_eus
20 Redhat enterprise_linux_for_arm_64
21 Redhat enterprise_linux_for_arm_64_eus
22 Redhat codeready_linux_builder_for_power_little_endian_eus
23 Redhat codeready_linux_builder_for_power_little_endian
1 Netapp h410c_firmware
2 Netapp ontap_select_deploy_administration_utility
3 Netapp h300s_firmware
4 Netapp h500s_firmware
5 Netapp h700s_firmware
6 Netapp h410s_firmware
7 Netapp h300s
8 Netapp h410s
9 Netapp h500s
10 Netapp h700s
11 Netapp h410c
1 Canonical ubuntu_linux
1 Fedoraproject fedora
1 Debian debian_linux
1 Gnu glibc
: Total Affected Vendor : 6 | Products : 38
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH [email protected]
CVSS 3.1 HIGH [email protected]
Solution
This vulnerability in the GNU C Library allows for a buffer overflow that could lead to privilege escalation.
  • Update the affected glibc packages or the OS to the latest version.
  • If applicable, ensure any dependent systems like Prism Central are also updated to a compatible version before upgrading.
Public PoC/Exploit Available at Github

CVE-2023-4911 has a 78 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2023-4911.

URL Resource
https://access.redhat.com/errata/RHBA-2024:2413 Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:5453 Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:5454 Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:5455 Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:5476 Third Party Advisory
https://access.redhat.com/errata/RHSA-2024:0033 Third Party Advisory
https://access.redhat.com/security/cve/CVE-2023-4911 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2238352 Issue Tracking Patch
https://www.qualys.com/2023/10/03/cve-2023-4911/looney-tunables-local-privilege-escalation-glibc-ld-so.txt Exploit Third Party Advisory
https://www.qualys.com/cve-2023-4911/ Third Party Advisory
http://packetstormsecurity.com/files/174986/glibc-ld.so-Local-Privilege-Escalation.html Exploit Third Party Advisory VDB Entry
http://packetstormsecurity.com/files/176288/Glibc-Tunables-Privilege-Escalation.html Exploit Third Party Advisory VDB Entry
http://seclists.org/fulldisclosure/2023/Oct/11 Exploit Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2023/10/03/2 Exploit Mailing List
http://www.openwall.com/lists/oss-security/2023/10/03/3 Mailing List
http://www.openwall.com/lists/oss-security/2023/10/05/1 Mailing List
http://www.openwall.com/lists/oss-security/2023/10/13/11 Mailing List
http://www.openwall.com/lists/oss-security/2023/10/14/3 Mailing List
http://www.openwall.com/lists/oss-security/2023/10/14/5 Mailing List
http://www.openwall.com/lists/oss-security/2023/10/14/6 Mailing List
https://access.redhat.com/errata/RHSA-2023:5453 Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:5454 Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:5455 Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:5476 Third Party Advisory
https://access.redhat.com/errata/RHSA-2024:0033 Third Party Advisory
https://access.redhat.com/security/cve/CVE-2023-4911 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2238352 Issue Tracking Patch
https://lists.fedoraproject.org/archives/list/[email protected]/message/4DBUQRRPB47TC3NJOUIBVWUGFHBJAFDL/ Mailing List
https://lists.fedoraproject.org/archives/list/[email protected]/message/DFG4P76UHHZEWQ26FWBXG76N2QLKKPZA/ Mailing List
https://lists.fedoraproject.org/archives/list/[email protected]/message/NDAQWHTSVOCOZ5K6KPIWKRT3JX4RTZUR/ Mailing List
https://security.gentoo.org/glsa/202310-03 Third Party Advisory
https://security.netapp.com/advisory/ntap-20231013-0006/ Third Party Advisory
https://www.debian.org/security/2023/dsa-5514 Mailing List
https://www.qualys.com/2023/10/03/cve-2023-4911/looney-tunables-local-privilege-escalation-glibc-ld-so.txt Exploit Third Party Advisory
https://www.qualys.com/cve-2023-4911/ Third Party Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-4911 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2023-4911 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

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Maikefee/linux-exploit-hunter

一个强大的Linux漏洞搜索工具，基于原始的[Linux -exploit- suggestion](https://github.com/mzet-/linux-exploit-suggester)，专注于检测**2020-2024**期间最新的Linux内核特权升级漏洞。

Shell Python

Updated: 4 days, 22 hours ago
0 stars 0 fork 0 watcher
Born at : Aug. 19, 2025, 7:01 a.m. This repo has been linked 11 different CVEs too.
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CHDevSec/RedPhaton

None

Python Shell

Updated: 2 weeks, 1 day ago
2 stars 0 fork 0 watcher
Born at : Aug. 5, 2025, 7:15 p.m. This repo has been linked 13 different CVEs too.
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pawan-shivarkar/List-of-CVE-s-

Contains List of CVE's that I have found (Individual + Collaborative work)

Updated: 1 week, 3 days ago
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Born at : July 28, 2025, 1:07 p.m. This repo has been linked 106 different CVEs too.
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Lennoxgonz/Docker-Container-Security-Hardening

Build Docker containers with security vulnerabilities and secure them.

Dockerfile Python

Updated: 3 weeks, 1 day ago
1 stars 0 fork 0 watcher
Born at : July 6, 2025, 8:59 p.m. This repo has been linked 3 different CVEs too.
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jitmondal1/OSCP

OSCP Cheat Sheet

Updated: 1 month ago
1 stars 0 fork 0 watcher
Born at : July 5, 2025, 10:38 p.m. This repo has been linked 73 different CVEs too.
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jitmondal1/OSCP

OSCP Cheat Sheet

Updated: 1 month, 2 weeks ago
0 stars 0 fork 0 watcher
Born at : July 5, 2025, 4:34 p.m. This repo has been linked 73 different CVEs too.
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VishuGahlyan/OSCP

None

Updated: 1 month, 3 weeks ago
0 stars 0 fork 0 watcher
Born at : July 2, 2025, 7:05 a.m. This repo has been linked 72 different CVEs too.
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AMatheusFeitosaM/OSCP-Cheat

OSCP Cheat

Updated: 2 months, 1 week ago
0 stars 0 fork 0 watcher
Born at : June 16, 2025, 2:22 p.m. This repo has been linked 72 different CVEs too.
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zulloper/cve-poc

CVE POC repo 자동 수집기

Python

Updated: 1 day, 7 hours ago
0 stars 1 fork 1 watcher
Born at : June 8, 2025, 3:07 p.m. This repo has been linked 125 different CVEs too.
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raqqaaaa/WRITEUP_ORAL

None

Updated: 3 months, 1 week ago
0 stars 0 fork 0 watcher
Born at : May 14, 2025, 6:47 a.m. This repo has been linked 1 different CVEs too.
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AlienTec1908/Pipy_HackMyVM_Easy

Pipy_HackMyVM_Easy

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Updated: 3 months, 1 week ago
1 stars 0 fork 0 watcher
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IndieMinimalist/awesome-stars

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Updated: 4 days, 6 hours ago
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FROST8ytes/UMCS-CTF-2025

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Updated: 4 months, 1 week ago
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Born at : April 12, 2025, 10:16 a.m. This repo has been linked 1 different CVEs too.
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KillReal01/CVE-2023-4911

None

Makefile C Shell

Updated: 5 months ago
0 stars 0 fork 0 watcher
Born at : March 17, 2025, 11:09 a.m. This repo has been linked 1 different CVEs too.
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shacojx/CVE-2023-4911-Exploit

CVE-2023-4911 exploit

Java

Updated: 4 months, 3 weeks ago
1 stars 0 fork 0 watcher
Born at : March 6, 2025, 2:14 a.m. This repo has been linked 1 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-4911 vulnerability anywhere in the article.

  • Kaspersky
Exploits and vulnerabilities in Q3 2024

Q3 2024 saw multiple vulnerabilities discovered in Windows and Linux subsystems that are not standard for cyberattacks. This is because operating system developers have been releasing new security mit ... Read more

Published Date: Dec 06, 2024 (8 months, 2 weeks ago)

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2023-4911 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Modified Analysis by [email protected]

    May. 06, 2025

    Action Type Old Value New Value
    Added Reference Type Red Hat, Inc.: https://access.redhat.com/errata/RHBA-2024:2413 Types: Third Party Advisory
  • CVE Modified by [email protected]

    Apr. 30, 2025

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHBA-2024:2413
  • Modified Analysis by [email protected]

    Jan. 27, 2025

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:redhat:codeready_linux_builder_eus:8.6:*:*:*:*:*:*:* *cpe:2.3:a:redhat:codeready_linux_builder_for_arm64_eus:8.6:*:*:*:*:*:*:* *cpe:2.3:a:redhat:codeready_linux_builder_for_ibm_z_systems_eus:8.6:*:*:*:*:*:*:* *cpe:2.3:a:redhat:codeready_linux_builder_for_power_little_endian_eus:8.6:*:*:*:*:*:*:* *cpe:2.3:a:redhat:virtualization:4.0:*:*:*:*:*:*:* *cpe:2.3:a:redhat:virtualization_host:4.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_eus:8.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_for_arm_64_eus:8.6_aarch64:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus_s390x:8.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian_eus:8.6_ppc64le:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_aus:8.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_tus:8.6:*:*:*:*:*:*:* OR *cpe:2.3:a:redhat:codeready_linux_builder:9.0:*:*:*:*:*:*:* *cpe:2.3:a:redhat:codeready_linux_builder_eus:8.6:*:*:*:*:*:*:* *cpe:2.3:a:redhat:codeready_linux_builder_eus:9.2:*:*:*:*:*:*:* *cpe:2.3:a:redhat:codeready_linux_builder_eus:9.4:*:*:*:*:*:*:* *cpe:2.3:a:redhat:codeready_linux_builder_for_arm64:9.0_aarch64:*:*:*:*:*:*:* *cpe:2.3:a:redhat:codeready_linux_builder_for_arm64_eus:8.6:*:*:*:*:*:*:* *cpe:2.3:a:redhat:codeready_linux_builder_for_arm64_eus:9.2_aarch64:*:*:*:*:*:*:* *cpe:2.3:a:redhat:codeready_linux_builder_for_arm64_eus:9.4_aarch64:*:*:*:*:*:*:* *cpe:2.3:a:redhat:codeready_linux_builder_for_ibm_z_systems:9.0_s390x:*:*:*:*:*:*:* *cpe:2.3:a:redhat:codeready_linux_builder_for_ibm_z_systems_eus:8.6:*:*:*:*:*:*:* *cpe:2.3:a:redhat:codeready_linux_builder_for_ibm_z_systems_eus:9.2_s390x:*:*:*:*:*:*:* *cpe:2.3:a:redhat:codeready_linux_builder_for_ibm_z_systems_eus:9.4_s390x:*:*:*:*:*:*:* *cpe:2.3:a:redhat:codeready_linux_builder_for_power_little_endian:9.0_ppc64le:*:*:*:*:*:*:* *cpe:2.3:a:redhat:codeready_linux_builder_for_power_little_endian_eus:8.6:*:*:*:*:*:*:* *cpe:2.3:a:redhat:codeready_linux_builder_for_power_little_endian_eus:9.2_ppc64le:*:*:*:*:*:*:* *cpe:2.3:a:redhat:codeready_linux_builder_for_power_little_endian_eus:9.4_ppc64le:*:*:*:*:*:*:* *cpe:2.3:a:redhat:virtualization:4.0:*:*:*:*:*:*:* *cpe:2.3:a:redhat:virtualization_host:4.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_eus:8.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_eus:9.2:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_eus:9.4:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_for_arm_64:9.0_aarch64:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_for_arm_64_eus:8.6_aarch64:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_for_arm_64_eus:9.2_aarch64:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_for_arm_64_eus:9.4_aarch64:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:9.0_s390x:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:9.2_s390x:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:9.4_s390x:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus_s390x:8.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian_eus:8.6_ppc64le:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:9.0_ppc64le:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:9.2_ppc64le:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:9.4_ppc64le:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_aus:8.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_aus:9.2:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_aus:9.4:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:9.2_ppc64le:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:9.4_ppc64le:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_tus:8.6:*:*:*:*:*:*:*
    Changed CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:22.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:23.04:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:13.0:*:*:*:*:*:*:* OR *cpe:2.3:o:canonical:ubuntu_linux:22.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:23.04:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*
    Changed Reference Type http://packetstormsecurity.com/files/174986/glibc-ld.so-Local-Privilege-Escalation.html No Types Assigned http://packetstormsecurity.com/files/174986/glibc-ld.so-Local-Privilege-Escalation.html Exploit, Third Party Advisory, VDB Entry
    Changed Reference Type http://packetstormsecurity.com/files/176288/Glibc-Tunables-Privilege-Escalation.html No Types Assigned http://packetstormsecurity.com/files/176288/Glibc-Tunables-Privilege-Escalation.html Exploit, Third Party Advisory, VDB Entry
    Changed Reference Type http://seclists.org/fulldisclosure/2023/Oct/11 No Types Assigned http://seclists.org/fulldisclosure/2023/Oct/11 Exploit, Mailing List, Third Party Advisory
    Changed Reference Type http://www.openwall.com/lists/oss-security/2023/10/03/2 No Types Assigned http://www.openwall.com/lists/oss-security/2023/10/03/2 Exploit, Mailing List
    Changed Reference Type http://www.openwall.com/lists/oss-security/2023/10/03/3 No Types Assigned http://www.openwall.com/lists/oss-security/2023/10/03/3 Mailing List
    Changed Reference Type http://www.openwall.com/lists/oss-security/2023/10/05/1 No Types Assigned http://www.openwall.com/lists/oss-security/2023/10/05/1 Mailing List
    Changed Reference Type http://www.openwall.com/lists/oss-security/2023/10/13/11 No Types Assigned http://www.openwall.com/lists/oss-security/2023/10/13/11 Mailing List
    Changed Reference Type http://www.openwall.com/lists/oss-security/2023/10/14/3 No Types Assigned http://www.openwall.com/lists/oss-security/2023/10/14/3 Mailing List
    Changed Reference Type http://www.openwall.com/lists/oss-security/2023/10/14/5 No Types Assigned http://www.openwall.com/lists/oss-security/2023/10/14/5 Mailing List
    Changed Reference Type http://www.openwall.com/lists/oss-security/2023/10/14/6 No Types Assigned http://www.openwall.com/lists/oss-security/2023/10/14/6 Mailing List
    Changed Reference Type https://access.redhat.com/security/cve/CVE-2023-4911 Mitigation, Third Party Advisory https://access.redhat.com/security/cve/CVE-2023-4911 Third Party Advisory
    Changed Reference Type https://access.redhat.com/security/cve/CVE-2023-4911 Mitigation, Third Party Advisory https://access.redhat.com/security/cve/CVE-2023-4911 Third Party Advisory
    Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=2238352 Issue Tracking, Patch, Third Party Advisory https://bugzilla.redhat.com/show_bug.cgi?id=2238352 Issue Tracking, Patch
    Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=2238352 Issue Tracking, Patch, Third Party Advisory https://bugzilla.redhat.com/show_bug.cgi?id=2238352 Issue Tracking, Patch
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/4DBUQRRPB47TC3NJOUIBVWUGFHBJAFDL/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/4DBUQRRPB47TC3NJOUIBVWUGFHBJAFDL/ Mailing List
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/DFG4P76UHHZEWQ26FWBXG76N2QLKKPZA/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/DFG4P76UHHZEWQ26FWBXG76N2QLKKPZA/ Mailing List
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/NDAQWHTSVOCOZ5K6KPIWKRT3JX4RTZUR/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/NDAQWHTSVOCOZ5K6KPIWKRT3JX4RTZUR/ Mailing List
    Changed Reference Type https://security.gentoo.org/glsa/202310-03 No Types Assigned https://security.gentoo.org/glsa/202310-03 Third Party Advisory
    Changed Reference Type https://security.netapp.com/advisory/ntap-20231013-0006/ No Types Assigned https://security.netapp.com/advisory/ntap-20231013-0006/ Third Party Advisory
    Changed Reference Type https://www.debian.org/security/2023/dsa-5514 No Types Assigned https://www.debian.org/security/2023/dsa-5514 Mailing List
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/174986/glibc-ld.so-Local-Privilege-Escalation.html
    Added Reference http://packetstormsecurity.com/files/176288/Glibc-Tunables-Privilege-Escalation.html
    Added Reference http://seclists.org/fulldisclosure/2023/Oct/11
    Added Reference http://www.openwall.com/lists/oss-security/2023/10/03/2
    Added Reference http://www.openwall.com/lists/oss-security/2023/10/03/3
    Added Reference http://www.openwall.com/lists/oss-security/2023/10/05/1
    Added Reference http://www.openwall.com/lists/oss-security/2023/10/13/11
    Added Reference http://www.openwall.com/lists/oss-security/2023/10/14/3
    Added Reference http://www.openwall.com/lists/oss-security/2023/10/14/5
    Added Reference http://www.openwall.com/lists/oss-security/2023/10/14/6
    Added Reference https://access.redhat.com/errata/RHSA-2023:5453
    Added Reference https://access.redhat.com/errata/RHSA-2023:5454
    Added Reference https://access.redhat.com/errata/RHSA-2023:5455
    Added Reference https://access.redhat.com/errata/RHSA-2023:5476
    Added Reference https://access.redhat.com/errata/RHSA-2024:0033
    Added Reference https://access.redhat.com/security/cve/CVE-2023-4911
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=2238352
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/4DBUQRRPB47TC3NJOUIBVWUGFHBJAFDL/
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/DFG4P76UHHZEWQ26FWBXG76N2QLKKPZA/
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/NDAQWHTSVOCOZ5K6KPIWKRT3JX4RTZUR/
    Added Reference https://security.gentoo.org/glsa/202310-03
    Added Reference https://security.netapp.com/advisory/ntap-20231013-0006/
    Added Reference https://www.debian.org/security/2023/dsa-5514
    Added Reference https://www.qualys.com/2023/10/03/cve-2023-4911/looney-tunables-local-privilege-escalation-glibc-ld-so.txt
    Added Reference https://www.qualys.com/cve-2023-4911/
  • Modified Analysis by [email protected]

    Sep. 17, 2024

    Action Type Old Value New Value
    Changed Reference Type https://access.redhat.com/security/cve/CVE-2023-4911 Third Party Advisory https://access.redhat.com/security/cve/CVE-2023-4911 Mitigation, Third Party Advisory
    Changed Reference Type https://www.qualys.com/2023/10/03/cve-2023-4911/looney-tunables-local-privilege-escalation-glibc-ld-so.txt Exploit https://www.qualys.com/2023/10/03/cve-2023-4911/looney-tunables-local-privilege-escalation-glibc-ld-so.txt Exploit, Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:22.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:23.04:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:13.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Sep. 16, 2024

    Action Type Old Value New Value
    Removed Reference Red Hat, Inc. http://www.openwall.com/lists/oss-security/2023/10/03/3
    Removed Reference Red Hat, Inc. http://www.openwall.com/lists/oss-security/2023/10/03/2
    Removed Reference Red Hat, Inc. https://www.debian.org/security/2023/dsa-5514
    Removed Reference Red Hat, Inc. https://security.gentoo.org/glsa/202310-03
    Removed Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/NDAQWHTSVOCOZ5K6KPIWKRT3JX4RTZUR/
    Removed Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/4DBUQRRPB47TC3NJOUIBVWUGFHBJAFDL/
    Removed Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/DFG4P76UHHZEWQ26FWBXG76N2QLKKPZA/
    Removed Reference Red Hat, Inc. http://www.openwall.com/lists/oss-security/2023/10/05/1
    Removed Reference Red Hat, Inc. http://seclists.org/fulldisclosure/2023/Oct/11
    Removed Reference Red Hat, Inc. http://packetstormsecurity.com/files/174986/glibc-ld.so-Local-Privilege-Escalation.html
    Removed Reference Red Hat, Inc. https://security.netapp.com/advisory/ntap-20231013-0006/
    Removed Reference Red Hat, Inc. http://www.openwall.com/lists/oss-security/2023/10/13/11
    Removed Reference Red Hat, Inc. http://www.openwall.com/lists/oss-security/2023/10/14/3
    Removed Reference Red Hat, Inc. http://www.openwall.com/lists/oss-security/2023/10/14/5
    Removed Reference Red Hat, Inc. http://www.openwall.com/lists/oss-security/2023/10/14/6
    Removed Reference Red Hat, Inc. http://packetstormsecurity.com/files/176288/Glibc-Tunables-Privilege-Escalation.html
  • CVE Modified by [email protected]

    May. 23, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Feb. 22, 2024

    Action Type Old Value New Value
    Changed Reference Type http://packetstormsecurity.com/files/174986/glibc-ld.so-Local-Privilege-Escalation.html No Types Assigned http://packetstormsecurity.com/files/174986/glibc-ld.so-Local-Privilege-Escalation.html Exploit, Third Party Advisory
    Changed Reference Type http://packetstormsecurity.com/files/176288/Glibc-Tunables-Privilege-Escalation.html No Types Assigned http://packetstormsecurity.com/files/176288/Glibc-Tunables-Privilege-Escalation.html Exploit, Third Party Advisory
    Changed Reference Type http://seclists.org/fulldisclosure/2023/Oct/11 No Types Assigned http://seclists.org/fulldisclosure/2023/Oct/11 Exploit, Mailing List, Third Party Advisory
    Changed Reference Type http://www.openwall.com/lists/oss-security/2023/10/13/11 No Types Assigned http://www.openwall.com/lists/oss-security/2023/10/13/11 Mailing List
    Changed Reference Type http://www.openwall.com/lists/oss-security/2023/10/14/3 No Types Assigned http://www.openwall.com/lists/oss-security/2023/10/14/3 Mailing List
    Changed Reference Type http://www.openwall.com/lists/oss-security/2023/10/14/5 No Types Assigned http://www.openwall.com/lists/oss-security/2023/10/14/5 Mailing List
    Changed Reference Type http://www.openwall.com/lists/oss-security/2023/10/14/6 No Types Assigned http://www.openwall.com/lists/oss-security/2023/10/14/6 Third Party Advisory
    Changed Reference Type https://access.redhat.com/errata/RHSA-2023:5476 No Types Assigned https://access.redhat.com/errata/RHSA-2023:5476 Third Party Advisory
    Changed Reference Type https://access.redhat.com/errata/RHSA-2024:0033 No Types Assigned https://access.redhat.com/errata/RHSA-2024:0033 Third Party Advisory
    Changed Reference Type https://security.netapp.com/advisory/ntap-20231013-0006/ No Types Assigned https://security.netapp.com/advisory/ntap-20231013-0006/ Mailing List, Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:a:gnu:glibc:-:*:*:*:*:*:*:* OR *cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:* versions from (including) 2.34 up to (excluding) 2.39
    Changed CPE Configuration OR *cpe:2.3:a:redhat:virtualization:4.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* OR *cpe:2.3:a:redhat:codeready_linux_builder_eus:8.6:*:*:*:*:*:*:* *cpe:2.3:a:redhat:codeready_linux_builder_for_arm64_eus:8.6:*:*:*:*:*:*:* *cpe:2.3:a:redhat:codeready_linux_builder_for_ibm_z_systems_eus:8.6:*:*:*:*:*:*:* *cpe:2.3:a:redhat:codeready_linux_builder_for_power_little_endian_eus:8.6:*:*:*:*:*:*:* *cpe:2.3:a:redhat:virtualization:4.0:*:*:*:*:*:*:* *cpe:2.3:a:redhat:virtualization_host:4.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_eus:8.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_for_arm_64_eus:8.6_aarch64:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus_s390x:8.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian_eus:8.6_ppc64le:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_aus:8.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_tus:8.6:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jan. 03, 2024

    Action Type Old Value New Value
    Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:0033 [No types assigned]
  • CVE Modified by [email protected]

    Dec. 21, 2023

    Action Type Old Value New Value
    Added Reference Red Hat, Inc. http://packetstormsecurity.com/files/176288/Glibc-Tunables-Privilege-Escalation.html [No types assigned]
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Added CWE Red Hat, Inc. CWE-122
  • CVE Modified by [email protected]

    Oct. 14, 2023

    Action Type Old Value New Value
    Added Reference http://www.openwall.com/lists/oss-security/2023/10/14/6 [No Types Assigned]
  • CVE Modified by [email protected]

    Oct. 14, 2023

    Action Type Old Value New Value
    Added Reference http://www.openwall.com/lists/oss-security/2023/10/14/5 [No Types Assigned]
  • CVE Modified by [email protected]

    Oct. 14, 2023

    Action Type Old Value New Value
    Added Reference http://www.openwall.com/lists/oss-security/2023/10/14/3 [No Types Assigned]
  • CVE Modified by [email protected]

    Oct. 14, 2023

    Action Type Old Value New Value
    Added Reference http://www.openwall.com/lists/oss-security/2023/10/13/11 [No Types Assigned]
  • CVE Modified by [email protected]

    Oct. 13, 2023

    Action Type Old Value New Value
    Added Reference https://security.netapp.com/advisory/ntap-20231013-0006/ [No Types Assigned]
  • CVE Modified by [email protected]

    Oct. 06, 2023

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/174986/glibc-ld.so-Local-Privilege-Escalation.html [No Types Assigned]
  • CVE Modified by [email protected]

    Oct. 06, 2023

    Action Type Old Value New Value
    Added Reference http://seclists.org/fulldisclosure/2023/Oct/11 [No Types Assigned]
  • CVE Modified by [email protected]

    Oct. 05, 2023

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2023:5476 [No Types Assigned]
  • Initial Analysis by [email protected]

    Oct. 05, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type http://www.openwall.com/lists/oss-security/2023/10/03/2 No Types Assigned http://www.openwall.com/lists/oss-security/2023/10/03/2 Exploit, Mailing List
    Changed Reference Type http://www.openwall.com/lists/oss-security/2023/10/03/3 No Types Assigned http://www.openwall.com/lists/oss-security/2023/10/03/3 Mailing List, Patch
    Changed Reference Type http://www.openwall.com/lists/oss-security/2023/10/05/1 No Types Assigned http://www.openwall.com/lists/oss-security/2023/10/05/1 Mailing List, Third Party Advisory
    Changed Reference Type https://access.redhat.com/errata/RHSA-2023:5453 No Types Assigned https://access.redhat.com/errata/RHSA-2023:5453 Third Party Advisory
    Changed Reference Type https://access.redhat.com/errata/RHSA-2023:5454 No Types Assigned https://access.redhat.com/errata/RHSA-2023:5454 Third Party Advisory
    Changed Reference Type https://access.redhat.com/errata/RHSA-2023:5455 No Types Assigned https://access.redhat.com/errata/RHSA-2023:5455 Third Party Advisory
    Changed Reference Type https://access.redhat.com/security/cve/CVE-2023-4911 No Types Assigned https://access.redhat.com/security/cve/CVE-2023-4911 Third Party Advisory
    Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=2238352 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=2238352 Issue Tracking, Patch, Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/4DBUQRRPB47TC3NJOUIBVWUGFHBJAFDL/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/4DBUQRRPB47TC3NJOUIBVWUGFHBJAFDL/ Mailing List
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/DFG4P76UHHZEWQ26FWBXG76N2QLKKPZA/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/DFG4P76UHHZEWQ26FWBXG76N2QLKKPZA/ Exploit, Mailing List
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/NDAQWHTSVOCOZ5K6KPIWKRT3JX4RTZUR/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/NDAQWHTSVOCOZ5K6KPIWKRT3JX4RTZUR/ Mailing List
    Changed Reference Type https://security.gentoo.org/glsa/202310-03 No Types Assigned https://security.gentoo.org/glsa/202310-03 Third Party Advisory
    Changed Reference Type https://www.debian.org/security/2023/dsa-5514 No Types Assigned https://www.debian.org/security/2023/dsa-5514 Third Party Advisory
    Changed Reference Type https://www.qualys.com/2023/10/03/cve-2023-4911/looney-tunables-local-privilege-escalation-glibc-ld-so.txt No Types Assigned https://www.qualys.com/2023/10/03/cve-2023-4911/looney-tunables-local-privilege-escalation-glibc-ld-so.txt Exploit
    Changed Reference Type https://www.qualys.com/cve-2023-4911/ No Types Assigned https://www.qualys.com/cve-2023-4911/ Third Party Advisory
    Added CWE NIST CWE-787
    Added CPE Configuration OR *cpe:2.3:a:gnu:glibc:-:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:a:redhat:virtualization:4.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Oct. 05, 2023

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2023:5454 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2023:5453 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2023:5455 [No Types Assigned]
  • CVE Modified by [email protected]

    Oct. 05, 2023

    Action Type Old Value New Value
    Added Reference http://www.openwall.com/lists/oss-security/2023/10/05/1 [No Types Assigned]
  • CVE Modified by [email protected]

    Oct. 04, 2023

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/DFG4P76UHHZEWQ26FWBXG76N2QLKKPZA/ [No Types Assigned]
  • CVE Modified by [email protected]

    Oct. 04, 2023

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/NDAQWHTSVOCOZ5K6KPIWKRT3JX4RTZUR/ [No Types Assigned]
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/4DBUQRRPB47TC3NJOUIBVWUGFHBJAFDL/ [No Types Assigned]
  • CVE Modified by [email protected]

    Oct. 04, 2023

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/202310-03 [No Types Assigned]
  • CVE Modified by [email protected]

    Oct. 03, 2023

    Action Type Old Value New Value
    Added Reference https://www.debian.org/security/2023/dsa-5514 [No Types Assigned]
  • CVE Modified by [email protected]

    Oct. 03, 2023

    Action Type Old Value New Value
    Added Reference http://www.openwall.com/lists/oss-security/2023/10/03/3 [No Types Assigned]
    Added Reference http://www.openwall.com/lists/oss-security/2023/10/03/2 [No Types Assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 7.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

79.51 }} -1.22%

score

0.99040

percentile