{"id":"CVE-2023-3773","details":"A flaw was found in the Linux kernel’s IP framework for transforming packets (XFRM subsystem). This issue may allow a malicious user with CAP_NET_ADMIN privileges to cause a 4 byte out-of-bounds read of XFRMA_MTIMER_THRESH when parsing netlink attributes, leading to potential leakage of sensitive heap data to userspace.","modified":"2026-04-16T04:35:38.308236627Z","published":"2023-07-25T16:15:11.733Z","related":["CGA-m3jq-vcq5-mqrx"],"references":[{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html"},{"type":"ADVISORY","url":"https://access.redhat.com/security/cve/CVE-2023-3773"},{"type":"ADVISORY","url":"https://www.debian.org/security/2023/dsa-5492"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2023:6583"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2218944"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"8.0"}]},{"events":[{"introduced":"0"},{"last_affected":"9.0"}]},{"events":[{"introduced":"0"},{"last_affected":"10.0"}]},{"events":[{"introduced":"0"},{"last_affected":"12.0"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-3773.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N"}]}