{"id":"CVE-2023-4569","details":"A memory leak flaw was found in nft_set_catchall_flush in net/netfilter/nf_tables_api.c in the Linux Kernel. This issue may allow a local attacker to cause double-deactivations of catchall elements, which can result in a memory leak.","modified":"2026-03-13T07:45:12.975415Z","published":"2023-08-28T22:15:10.487Z","related":["SUSE-SU-2023:3599-1","SUSE-SU-2023:3599-2","SUSE-SU-2023:3600-1","SUSE-SU-2023:3600-2","SUSE-SU-2023:3656-1","SUSE-SU-2023:3682-1","SUSE-SU-2023:3964-1","SUSE-SU-2023:3969-1","SUSE-SU-2023:3971-1","SUSE-SU-2023:3988-1"],"references":[{"type":"ADVISORY","url":"https://www.debian.org/security/2023/dsa-5492"},{"type":"ADVISORY","url":"https://access.redhat.com/security/cve/CVE-2023-4569"},{"type":"FIX","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2235470"},{"type":"FIX","url":"https://patchwork.ozlabs.org/project/netfilter-devel/patch/20230812110526.49808-1-fw@strlen.de/"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"6.5"}]},{"events":[{"introduced":"0"},{"last_affected":"6.5-rc1"}]},{"events":[{"introduced":"0"},{"last_affected":"6.5-rc2"}]},{"events":[{"introduced":"0"},{"last_affected":"6.5-rc3"}]},{"events":[{"introduced":"0"},{"last_affected":"6.5-rc4"}]},{"events":[{"introduced":"0"},{"last_affected":"6.5-rc5"}]},{"events":[{"introduced":"0"},{"last_affected":"6.5-rc6"}]},{"events":[{"introduced":"0"},{"last_affected":"8.0"}]},{"events":[{"introduced":"0"},{"last_affected":"9.0"}]},{"events":[{"introduced":"0"},{"last_affected":"12.0"}]}],"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-4569.json"}}],"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"}]}