{"id":"CVE-2022-1055","details":"A use-after-free exists in the Linux Kernel in tc_new_tfilter that could allow a local attacker to gain privilege escalation. The exploit requires unprivileged user namespaces. We recommend upgrading past commit 04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5","aliases":["A-228390920","PUB-A-228390920"],"modified":"2026-03-14T14:59:11.179209Z","published":"2022-03-29T15:15:08.207Z","related":["ALSA-2022:6002","ALSA-2022:6003","ALSA-2022:7444","ALSA-2022:7683","SUSE-SU-2022:1163-1","SUSE-SU-2022:1183-1","SUSE-SU-2022:1197-1","SUSE-SU-2022:1257-1","SUSE-SU-2022:1326-1","SUSE-SU-2022:1369-1","SUSE-SU-2022:1407-1","SUSE-SU-2022:1453-1"],"references":[{"type":"ADVISORY","url":"http://packetstormsecurity.com/files/167386/Kernel-Live-Patch-Security-Notice-LSN-0086-1.html"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20220506-0007/"},{"type":"FIX","url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5"},{"type":"FIX","url":"https://kernel.dance/#04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5"},{"type":"FIX","url":"https://syzkaller.appspot.com/bug?id=2212474c958978ab86525fe6832ac8102c309ffc"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"5.1"},{"fixed":"5.17"}]},{"events":[{"introduced":"0"},{"last_affected":"5.17-NA"}]},{"events":[{"introduced":"0"},{"last_affected":"5.17-rc1"}]},{"events":[{"introduced":"0"},{"last_affected":"5.17-rc2"}]},{"events":[{"introduced":"0"},{"last_affected":"8.0"}]},{"events":[{"introduced":"0"},{"last_affected":"35"}]},{"events":[{"introduced":"0"},{"last_affected":"16.04"}]},{"events":[{"introduced":"0"},{"last_affected":"18.04"}]},{"events":[{"introduced":"0"},{"last_affected":"20.04"}]},{"events":[{"introduced":"0"},{"last_affected":"21.10"}]},{"events":[{"introduced":"0"},{"last_affected":"22.04"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-1055.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:H/I:H/A:H"}]}