{"id":"CVE-2021-3635","details":"A flaw was found in the Linux kernel netfilter implementation in versions prior to 5.5-rc7. A user with root (CAP_SYS_ADMIN) access is able to panic the system when issuing netfilter netflow commands.","aliases":["A-197614484","PUB-A-197614484"],"modified":"2026-03-13T05:04:02.786698Z","published":"2021-08-13T14:15:07.877Z","related":["ALSA-2021:4356"],"references":[{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1976946"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-3635.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"5.5"}]},{"events":[{"introduced":"0"},{"last_affected":"5.5-rc1"}]},{"events":[{"introduced":"0"},{"last_affected":"5.5-rc2"}]},{"events":[{"introduced":"0"},{"last_affected":"5.5-rc3"}]},{"events":[{"introduced":"0"},{"last_affected":"5.5-rc4"}]},{"events":[{"introduced":"0"},{"last_affected":"5.5-rc5"}]},{"events":[{"introduced":"0"},{"last_affected":"5.5-rc6"}]},{"events":[{"introduced":"0"},{"last_affected":"6.0"}]},{"events":[{"introduced":"0"},{"last_affected":"7.0"}]},{"events":[{"introduced":"0"},{"last_affected":"8.0"}]},{"events":[{"introduced":"0"},{"last_affected":"34"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H"}]}