CVE-2023-44466

HIGH

Linux Kernel 5.11-5.15.121 - Remote Code Execution via Integer Signedness Error in ceph_decode_32

Title source: llm

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.

References (5)

Core 5

Core References

Mailing List, Patch

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a282a2f10539dce2aa619e71e1817570d557fc97

Exploit, Third Party Advisory

https://github.com/google/security-research/security/advisories/GHSA-jg27-jx6w-xwph

Patch

https://github.com/torvalds/linux/commit/a282a2f10539dce2aa619e71e1817570d557fc97

View Patch ZIP pw:eip

Third Party Advisory

https://security.netapp.com/advisory/ntap-20231116-0003/

Mailing List, Patch

https://www.spinics.net/lists/ceph-devel/msg57909.html

Scores

CVSS v3 8.8

EPSS 0.5458

EPSS Percentile 98.9%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE

CWE-120

Status published

Products (1)

linux/linux_kernel 5.11 - 5.15.121

Published Sep 29, 2023

Tracked Since Feb 18, 2026