{"id":"CVE-2023-2166","details":"A null pointer dereference issue was found in can protocol in net/can/af_can.c in the Linux before Linux. ml_priv may not be initialized in the receive path of CAN frames. A local user could use this flaw to crash the system or potentially cause a denial of service.","modified":"2026-03-14T12:01:34.946592Z","published":"2023-04-19T23:15:07.230Z","related":["ALSA-2024:0897","SUSE-SU-2023:3302-1","SUSE-SU-2023:3311-1","SUSE-SU-2023:3313-1","SUSE-SU-2023:3318-1","SUSE-SU-2023:3376-1","SUSE-SU-2023:3377-1","SUSE-SU-2024:3983-1","SUSE-SU-2024:3985-1","SUSE-SU-2024:4082-1","SUSE-SU-2024:4131-1","SUSE-SU-2024:4364-1"],"references":[{"type":"WEB","url":"https://lore.kernel.org/lkml/CAO4mrfcV_07hbj8NUuZrA8FH-kaRsrFy-2metecpTuE5kKHn5w%40mail.gmail.com/"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-2166.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"6.1"}]},{"events":[{"introduced":"0"},{"last_affected":"6.1-NA"}]},{"events":[{"introduced":"0"},{"last_affected":"6.1-rc1"}]},{"events":[{"introduced":"0"},{"last_affected":"6.1-rc2"}]},{"events":[{"introduced":"0"},{"last_affected":"6.1-rc3"}]},{"events":[{"introduced":"0"},{"last_affected":"6.1-rc4"}]},{"events":[{"introduced":"0"},{"last_affected":"6.1-rc5"}]},{"events":[{"introduced":"0"},{"last_affected":"6.1-rc6"}]},{"events":[{"introduced":"0"},{"last_affected":"6.1-rc7"}]},{"events":[{"introduced":"0"},{"last_affected":"6.1-rc8"}]}]}}],"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"}]}