7.8
HIGH
CVE-2021-27365
"iSCSI Linux Kernel Netlink Message Overflow Vulnerability"
Description

An issue was discovered in the Linux kernel through 5.11.3. Certain iSCSI data structures do not have appropriate length constraints or checks, and can exceed the PAGE_SIZE value. An unprivileged user can send a Netlink message that is associated with iSCSI, and has a length up to the maximum length of a Netlink message.

INFO

Published Date :

March 7, 2021, 5:15 a.m.

Last Modified :

Dec. 10, 2021, 6:13 p.m.

Source :

[email protected]

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

1.8
Public PoC/Exploit Available at Github

CVE-2021-27365 has a 11 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2021-27365 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 Linux linux_kernel
1 Debian debian_linux
1 Netapp solidfire_baseboard_management_controller_firmware
1 Oracle tekelec_platform_distribution
: Total Affected Vendor : 4 | Products : 4
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-2021-27365.

URL Resource
http://packetstormsecurity.com/files/162117/Kernel-Live-Patch-Security-Notice-LSN-0075-1.html Third Party Advisory VDB Entry
https://blog.grimm-co.com/2021/03/new-old-bugs-in-linux-kernel.html Exploit Third Party Advisory
https://bugzilla.suse.com/show_bug.cgi?id=1182715 Issue Tracking Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ec98ea7070e94cc25a422ec97d1421e28d97b7ee Mailing List Patch Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f9dbdf97a5bd92b1a49cee3d591b55b11fd7a6d5 Mailing List Patch Vendor Advisory
https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/03/msg00035.html Mailing List Third Party Advisory
https://security.netapp.com/advisory/ntap-20210409-0001/ Third Party Advisory
https://www.openwall.com/lists/oss-security/2021/03/06/1 Mailing List Third Party Advisory
https://www.oracle.com/security-alerts/cpuoct2021.html Patch Third Party Advisory

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).

Profile Photo
a-roshbaik/Linux-Privilege-Escalation-Exploits

None

C Shell Python Assembly Ruby Makefile Meson

Updated: 1 month, 4 weeks ago
0 stars 0 fork 0 watcher
Born at : July 20, 2024, 8:34 p.m. This repo has been linked 91 different CVEs too.
Profile Photo
HaxorSecInfec/autoroot.sh

Auto Root / Privilege Escalation Exploit

autoroot privilege privilege-escalation root

Shell

Updated: 1 month ago
2 stars 1 fork 1 watcher
Born at : June 11, 2024, 9:57 p.m. This repo has been linked 85 different CVEs too.
Profile Photo
JlSakuya/Linux-Privilege-Escalation-Exploits

Linux privilege escalation exploits collection.

C Shell Python Assembly Ruby Makefile Meson

Updated: 1 week, 6 days ago
88 stars 13 fork 13 watcher
Born at : April 26, 2023, 2:58 p.m. This repo has been linked 91 different CVEs too.
Profile Photo
ndk06/linux-kernel-exploitation

None

Updated: 3 weeks, 2 days ago
6 stars 0 fork 0 watcher
Born at : Feb. 25, 2023, 10:40 a.m. This repo has been linked 178 different CVEs too.
Profile Photo
teresaweber685/book_list

工具书单

Perl Shell

Updated: 1 year, 7 months ago
0 stars 0 fork 0 watcher
Born at : Feb. 7, 2023, 6:29 a.m. This repo has been linked 20 different CVEs too.
Profile Photo
vincent-deng/veracode-container-security-finding-parser

Map Vulnerabilities into Different Layers of the Container Image

Python

Updated: 1 year, 8 months ago
1 stars 0 fork 0 watcher
Born at : Oct. 5, 2022, 12:07 p.m. This repo has been linked 1276 different CVEs too.
Profile Photo
eeenvik1/scripts_for_YouTrack

Набор скриптов для парсинга агрегаторов уязвимостей и выгрузки информации в YouTrack

Python

Updated: 1 month, 1 week ago
25 stars 5 fork 5 watcher
Born at : May 17, 2022, 11:34 a.m. This repo has been linked 61 different CVEs too.
Profile Photo
aaronxie55/Presentation2_Markdown

None

Updated: 4 months, 3 weeks ago
2 stars 0 fork 0 watcher
Born at : March 23, 2021, 5:26 p.m. This repo has been linked 3 different CVEs too.
Profile Photo
c4pt000/kernel-6.8.3-expSEHDsec-fclock-fsync-cpu

kernel-4.4.167expSEHDsec

Shell Roff

Updated: 1 month, 1 week ago
4 stars 0 fork 0 watcher
Born at : Jan. 7, 2019, 3:47 a.m. This repo has been linked 5 different CVEs too.
Profile Photo
gipi/cve-cemetery

Resurrect vulnerabilities one CVE at the times

PHP C Shell HTML Dockerfile

Updated: 3 years, 5 months ago
0 stars 1 fork 1 watcher
Born at : April 21, 2018, 10:55 a.m. This repo has been linked 10 different CVEs too.
Profile Photo
xairy/linux-kernel-exploitation

A collection of links related to Linux kernel security and exploitation

linux-kernel kernel-exploitation exploit privilege-escalation security

Updated: 1 week, 4 days ago
5527 stars 902 fork 902 watcher
Born at : Nov. 13, 2016, 10:21 p.m. This repo has been linked 225 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-2021-27365 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-27365 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.

  • CVE Modified by [email protected]

    May. 14, 2024

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

    Dec. 10, 2021

    Action Type Old Value New Value
    Changed Reference Type http://packetstormsecurity.com/files/162117/Kernel-Live-Patch-Security-Notice-LSN-0075-1.html No Types Assigned http://packetstormsecurity.com/files/162117/Kernel-Live-Patch-Security-Notice-LSN-0075-1.html Third Party Advisory, VDB Entry
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2021/03/msg00035.html No Types Assigned https://lists.debian.org/debian-lts-announce/2021/03/msg00035.html Mailing List, Third Party Advisory
    Changed Reference Type https://security.netapp.com/advisory/ntap-20210409-0001/ No Types Assigned https://security.netapp.com/advisory/ntap-20210409-0001/ Third Party Advisory
    Changed Reference Type https://www.oracle.com/security-alerts/cpuoct2021.html No Types Assigned https://www.oracle.com/security-alerts/cpuoct2021.html Patch, Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:a:oracle:tekelec_platform_distribution:*:*:*:*:*:*:*:* versions from (including) 7.4.0 up to (including) 7.7.1
    Added CPE Configuration AND OR *cpe:2.3:o:netapp:solidfire_baseboard_management_controller_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:solidfire_baseboard_management_controller:-:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Oct. 20, 2021

    Action Type Old Value New Value
    Added Reference https://www.oracle.com/security-alerts/cpuoct2021.html [No Types Assigned]
  • CVE Modified by [email protected]

    Apr. 09, 2021

    Action Type Old Value New Value
    Added Reference https://security.netapp.com/advisory/ntap-20210409-0001/ [No Types Assigned]
  • CVE Modified by [email protected]

    Apr. 08, 2021

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/162117/Kernel-Live-Patch-Security-Notice-LSN-0075-1.html [No Types Assigned]
  • CVE Modified by [email protected]

    Mar. 31, 2021

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2021/03/msg00035.html [No Types Assigned]
  • Modified Analysis by [email protected]

    Mar. 25, 2021

    Action Type Old Value New Value
    Changed Reference Type https://blog.grimm-co.com/2021/03/new-old-bugs-in-linux-kernel.html No Types Assigned https://blog.grimm-co.com/2021/03/new-old-bugs-in-linux-kernel.html Exploit, Third Party Advisory
  • CVE Modified by [email protected]

    Mar. 21, 2021

    Action Type Old Value New Value
    Added Reference https://blog.grimm-co.com/2021/03/new-old-bugs-in-linux-kernel.html [No Types Assigned]
  • Initial Analysis by [email protected]

    Mar. 15, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://bugzilla.suse.com/show_bug.cgi?id=1182715 No Types Assigned https://bugzilla.suse.com/show_bug.cgi?id=1182715 Issue Tracking, Third Party Advisory
    Changed Reference Type https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ec98ea7070e94cc25a422ec97d1421e28d97b7ee No Types Assigned https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ec98ea7070e94cc25a422ec97d1421e28d97b7ee Mailing List, Patch, Vendor Advisory
    Changed Reference Type https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f9dbdf97a5bd92b1a49cee3d591b55b11fd7a6d5 No Types Assigned https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f9dbdf97a5bd92b1a49cee3d591b55b11fd7a6d5 Mailing List, Patch, Vendor Advisory
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html No Types Assigned https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html Mailing List, Third Party Advisory
    Changed Reference Type https://www.openwall.com/lists/oss-security/2021/03/06/1 No Types Assigned https://www.openwall.com/lists/oss-security/2021/03/06/1 Mailing List, Third Party Advisory
    Added CWE NIST CWE-787
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (including) 5.11.3
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Mar. 09, 2021

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html [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.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-27365 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-2021-27365 weaknesses.

Exploit Prediction

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

0.09 }} 0.00%

score

0.37432

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: