CVE-2023-44466

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.

CVSS v3.1 NVD

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

EPSS

45.59% chance of exploitation in the next 30 days, 99th percentile

Published

2023-09-29

Updated

2024-08-02

Proof-of-concept exploits (1)

• google/security-research/security/advisories/GHSA-jg27-jx6w-xwph

Security advisories

• https://security.netapp.com/advisory/ntap-20231116-0003
• https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a282a2f10539dc…
• torvalds/linux/commit/a282a2f10539dce2aa619e71e1817570d557fc97
• https://www.spinics.net/lists/ceph-devel/msg57909.html

References

• CVE Record
• NVD entry