{"id":"CVE-2021-29650","details":"An issue was discovered in the Linux kernel before 5.11.11. The netfilter subsystem allows attackers to cause a denial of service (panic) because net/netfilter/x_tables.c and include/linux/netfilter/x_tables.h lack a full memory barrier upon the assignment of a new table value, aka CID-175e476b8cdf.","modified":"2026-03-13T04:25:16.667047Z","published":"2021-03-30T21:15:14.593Z","related":["ALSA-2021:4356","SUSE-SU-2021:14724-1","SUSE-SU-2021:1571-1","SUSE-SU-2021:1572-1","SUSE-SU-2021:1573-1","SUSE-SU-2021:1574-1","SUSE-SU-2021:1595-1","SUSE-SU-2021:1596-1","SUSE-SU-2021:1605-1","SUSE-SU-2021:1617-1","SUSE-SU-2021:1622-1","SUSE-SU-2021:1623-1","SUSE-SU-2021:1624-1","SUSE-SU-2021:1915-1","SUSE-SU-2021:1975-1","SUSE-SU-2021:1977-1","SUSE-SU-2023:2611-1","SUSE-SU-2023:2651-1","openSUSE-SU-2021:0716-1","openSUSE-SU-2021:0873-1","openSUSE-SU-2021:1975-1","openSUSE-SU-2021:1977-1"],"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RZGMUP6QEHJJEKPMLKOSPWYMW7PXFC2M/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VTADK5ELGTATGW2RK3K5MBJ2WGYCPZCM/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WKRNELXLVFDY6Y5XDMWLIH3VKIMQXLLR/"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html"},{"type":"FIX","url":"https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.11"},{"type":"FIX","url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=175e476b8cdf2a4de7432583b49c871345e4f8a1"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"5.11.11"}]},{"events":[{"introduced":"0"},{"last_affected":"32"}]},{"events":[{"introduced":"0"},{"last_affected":"33"}]},{"events":[{"introduced":"0"},{"last_affected":"34"}]},{"events":[{"introduced":"0"},{"last_affected":"9.0"}]}],"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-29650.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"}]}