{"id":"CVE-2020-36691","details":"An issue was discovered in the Linux kernel before 5.8. lib/nlattr.c allows attackers to cause a denial of service (unbounded recursion) via a nested Netlink policy with a back reference.","modified":"2026-03-14T01:41:34.358941Z","published":"2023-03-24T17:15:07.313Z","related":["SUSE-SU-2023:1894-1","SUSE-SU-2023:2146-1","SUSE-SU-2023:2147-1","SUSE-SU-2023:2148-1","SUSE-SU-2023:2151-1","SUSE-SU-2023:2162-1","SUSE-SU-2023:2163-1","SUSE-SU-2023:2232-1"],"references":[{"type":"ADVISORY","url":"https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8"},{"type":"FIX","url":"https://github.com/torvalds/linux/commit/7690aa1cdf7c4565ad6b013b324c28b685505e24"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-36691.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"5.8"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}