CVE-2023-44466
8.8
HIGH
CVSS 3.1
EPSS 54.6%
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.
How to fix CVE-2023-44466
To remediate CVE-2023-44466, upgrade the affected package to a fixed version below.
- Debian/linux—upgrade to 6.1.52-1 or later
Is CVE-2023-44466 being exploited?
Likely — EPSS is 54.6%, placing CVE-2023-44466 in the top tier of vulnerabilities by exploitation probability. Prioritise patching.
Affected packages (1)
- from 0, < 6.1.52-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |