8.8
HIGH CVSS 3.1
CVE-2023-44466
Apache Ceph Remote Code Execution Buffer Overflow
Description

An issue was discovered in net/ceph/messenger_v2.c in the Linux kernel before 6.4.5. There is an integer signedness error, leading to a buffer overflow and remote code execution via HELLO or one of the AUTH frames. This occurs because of an untrusted length taken from a TCP packet in ceph_decode_32.

INFO

Published Date :

Sept. 29, 2023, 6:15 a.m.

Last Modified :

May 23, 2025, 8:49 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2023-44466 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
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]
Solution
A buffer overflow vulnerability exists; updating the Linux kernel is recommended.
  • Update the Linux kernel packages.
  • Reboot the system after the update.
Public PoC/Exploit Available at Github

CVE-2023-44466 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-44466 is associated with the following CWEs:

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).

None

Updated: 1 year, 5 months ago
0 stars 0 fork 0 watcher
Born at : April 6, 2024, 4:08 p.m. This repo has been linked 19 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-2023-44466 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-44466 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. 23, 2025

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 6.4.5 OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.121 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.1.40 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.4.5
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a282a2f10539dce2aa619e71e1817570d557fc97
    Added Reference https://github.com/google/security-research/security/advisories/GHSA-jg27-jx6w-xwph
    Added Reference https://github.com/torvalds/linux/commit/a282a2f10539dce2aa619e71e1817570d557fc97
    Added Reference https://security.netapp.com/advisory/ntap-20231116-0003/
    Added Reference https://www.spinics.net/lists/ceph-devel/msg57909.html
  • CVE Modified by [email protected]

    May. 14, 2024

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

    Jan. 21, 2024

    Action Type Old Value New Value
    Changed Reference Type https://security.netapp.com/advisory/ntap-20231116-0003/ No Types Assigned https://security.netapp.com/advisory/ntap-20231116-0003/ Third Party Advisory
  • CVE Modified by [email protected]

    Nov. 16, 2023

    Action Type Old Value New Value
    Added Reference MITRE https://security.netapp.com/advisory/ntap-20231116-0003/ [No types assigned]
  • Initial Analysis by [email protected]

    Oct. 02, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a282a2f10539dce2aa619e71e1817570d557fc97 No Types Assigned https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a282a2f10539dce2aa619e71e1817570d557fc97 Mailing List, Patch
    Changed Reference Type https://github.com/google/security-research/security/advisories/GHSA-jg27-jx6w-xwph No Types Assigned https://github.com/google/security-research/security/advisories/GHSA-jg27-jx6w-xwph Exploit, Third Party Advisory
    Changed Reference Type https://github.com/torvalds/linux/commit/a282a2f10539dce2aa619e71e1817570d557fc97 No Types Assigned https://github.com/torvalds/linux/commit/a282a2f10539dce2aa619e71e1817570d557fc97 Patch
    Changed Reference Type https://www.spinics.net/lists/ceph-devel/msg57909.html No Types Assigned https://www.spinics.net/lists/ceph-devel/msg57909.html Mailing List, Patch
    Added CWE NIST CWE-120
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 6.4.5
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: 8.8
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.

15.85 }} -0.35%

score

0.94520

percentile