VulnerabilityAnalyzed
CVE-2023-44466
There is an integer signedness error, leading to a buffer overflow and remote code execution via HELLO or one of the AUTH frames.
HIGH 8.8EPSS 45.3%
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 45.3%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 45.30% probability · 99th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-120
- Affected
- linux/linux kernel
- Source
- cve@mitre.org
References
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a282a2f10539dce2aa619e71e1817570d557fc97Mailing List, Patch
- https://github.com/google/security-research/security/advisories/GHSA-jg27-jx6w-xwphExploit, Third Party Advisory
- https://github.com/torvalds/linux/commit/a282a2f10539dce2aa619e71e1817570d557fc97Patch
- https://security.netapp.com/advisory/ntap-20231116-0003/Third Party Advisory
- https://www.spinics.net/lists/ceph-devel/msg57909.htmlMailing List, Patch
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a282a2f10539dce2aa619e71e1817570d557fc97Mailing List, Patch
- https://github.com/google/security-research/security/advisories/GHSA-jg27-jx6w-xwphExploit, Third Party Advisory
- https://github.com/torvalds/linux/commit/a282a2f10539dce2aa619e71e1817570d557fc97Patch
- https://security.netapp.com/advisory/ntap-20231116-0003/Third Party Advisory
- https://www.spinics.net/lists/ceph-devel/msg57909.htmlMailing List, Patch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.