{"id":"CVE-2021-47251","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nmac80211: fix skb length check in ieee80211_scan_rx()\n\nReplace hard-coded compile-time constants for header length check\nwith dynamic determination based on the frame type. Otherwise, we\nhit a validation WARN_ON in cfg80211 later.\n\n[style fixes, reword commit message]","modified":"2026-03-15T22:43:09.006861Z","published":"2024-05-21T15:15:14.007Z","references":[{"type":"FIX","url":"https://git.kernel.org/stable/c/d1b949c70206178b12027f66edc088d40375b5cb"},{"type":"FIX","url":"https://git.kernel.org/stable/c/e298aa358f0ca658406d524b6639fe389cb6e11e"},{"type":"FIX","url":"https://git.kernel.org/stable/c/5a1cd67a801cf5ef989c4783e07b86a25b143126"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-47251.json","unresolved_ranges":[{"events":[{"introduced":"5.10"},{"fixed":"5.10.46"}]},{"events":[{"introduced":"5.11"},{"fixed":"5.12.13"}]},{"events":[{"introduced":"0"},{"last_affected":"5.13-rc1"}]},{"events":[{"introduced":"0"},{"last_affected":"5.13-rc2"}]},{"events":[{"introduced":"0"},{"last_affected":"5.13-rc3"}]},{"events":[{"introduced":"0"},{"last_affected":"5.13-rc4"}]},{"events":[{"introduced":"0"},{"last_affected":"5.13-rc5"}]},{"events":[{"introduced":"0"},{"last_affected":"5.13-rc6"}]}]}}],"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"}]}