Buffer overflow in Linux Linux_kernel
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 a…
Vulnerability class: Buffer Overflow
EPSS: 0.546 (98.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Linux Linux_kernel
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, Third Party Advisory)
- cve@mitre.org (Patch, Mailing List)
- cve@mitre.org (Patch)
- cve@mitre.org (Patch, Mailing List)
- cve@mitre.org (Third Party Advisory)
Frequently asked questions
- What is CVE-2023-44466?
- CVE-2023-44466 is a high-severity vulnerability in Linux Linux_kernel, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2023-09-29.
- How severe is CVE-2023-44466?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2023-44466 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.