{"id":"CVE-2023-44466","details":"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.","modified":"2026-03-15T22:47:29.759888Z","published":"2023-09-29T06:15:11.007Z","related":["GHSA-jg27-jx6w-xwph"],"references":[{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20231116-0003/"},{"type":"FIX","url":"https://github.com/torvalds/linux/commit/a282a2f10539dce2aa619e71e1817570d557fc97"},{"type":"FIX","url":"https://www.spinics.net/lists/ceph-devel/msg57909.html"},{"type":"FIX","url":"https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a282a2f10539dce2aa619e71e1817570d557fc97"},{"type":"EVIDENCE","url":"https://github.com/google/security-research/security/advisories/GHSA-jg27-jx6w-xwph"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"5.11"},{"fixed":"5.15.121"}]},{"events":[{"introduced":"5.16"},{"fixed":"6.1.40"}]},{"events":[{"introduced":"6.2"},{"fixed":"6.4.5"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-44466.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}