HIGH 8.8 Microsoft

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.

Microsoft Security Update 2023-Sep: 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.

Affected Products

References

Published: 2023-09-12 · Source: Microsoft · Feed updated: 2026-09-03
This high severity vulnerability with a CVSS score of 8.8 was published on 2023-09-12 via Microsoft. EPSS score: 45.3% (top 1% of all CVEs by exploitation probability). Affected: cbl2 kernel 5.15.135.1-2 on CBL Mariner 2.0.
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