{"id":"CVE-2023-6111","details":"A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation.\n\nThe function nft_trans_gc_catchall did not remove the catchall set element from the catchall_list when the argument sync is true, making it possible to free a catchall set element many times.\n\nWe recommend upgrading past commit 93995bf4af2c5a99e2a87f0cd5ce547d31eb7630.","modified":"2026-03-14T14:54:53.167544Z","published":"2023-11-14T14:15:29.063Z","references":[{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3OXWBKK7RTQOGGDLQGCZFS753VLGS2GD/"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3S55P23EYAWDHXZPJEVTGIRZZRICYI3Z/"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IG6IF3FUY7LVZJMFRPANAU4L4PSJ3ESQ/"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YQ7JVDEDZV5SNHG5EW7RHKK2ZN56HSGB/"},{"type":"FIX","url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=93995bf4af2c5a99e2a87f0cd5ce547d31eb7630"},{"type":"FIX","url":"https://kernel.dance/93995bf4af2c5a99e2a87f0cd5ce547d31eb7630"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-6111.json","unresolved_ranges":[{"events":[{"introduced":"5.15.134"},{"fixed":"5.15.140"}]},{"events":[{"introduced":"6.1.56"},{"fixed":"6.1.64"}]},{"events":[{"introduced":"6.5.6"},{"fixed":"6.5.13"}]},{"events":[{"introduced":"6.6"},{"fixed":"6.6.3"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}