CVE-2023-44466

Public Exploit

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.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
EPSS 12.06% Top 10%
Third-Party Advisory github.com Third-Party Advisory netapp.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/google/security-research/security/advisories/GHSA-jg27-jx6w-xwph exploit third party advisory
https://www.spinics.net/lists/ceph-devel/msg57909.html patch mailing list
https://github.com/torvalds/linux/commit/a282a2f10539dce2aa619e71e1817570d557fc97 patch
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a282a2f10539dce2aa619e71e1817570d557fc97 patch mailing list
https://security.netapp.com/advisory/ntap-20231116-0003/ third party advisory

Frequently Asked Questions

What is the severity of CVE-2023-44466?
CVE-2023-44466 has been scored as a high severity vulnerability.
How to fix CVE-2023-44466?
To fix CVE-2023-44466, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-44466 being actively exploited in the wild?
It is possible that CVE-2023-44466 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~12% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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