{"id":"CVE-2022-21499","details":"KGDB and KDB allow read and write access to kernel memory, and thus should be restricted during lockdown. An attacker with access to a serial port could trigger the debugger so it is important that the debugger respect the lockdown mode when/if it is triggered. CVSS 3.1 Base Score 6.7 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H).","modified":"2026-04-16T04:33:40.437348048Z","published":"2022-06-09T21:15:07.657Z","related":["ALSA-2022:7444","ALSA-2022:7683","ALSA-2022:7933","ALSA-2022:8267","SUSE-SU-2022:2077-1","SUSE-SU-2022:2080-1","SUSE-SU-2022:2082-1","SUSE-SU-2022:2103-1","SUSE-SU-2022:2111-1","SUSE-SU-2022:2116-1","SUSE-SU-2022:2393-1","SUSE-SU-2022:2438-1","SUSE-SU-2022:2444-1","SUSE-SU-2022:2446-1","SUSE-SU-2022:2461-1","SUSE-SU-2022:2482-1","SUSE-SU-2022:2520-1","SUSE-SU-2022:2615-1","SUSE-SU-2022:2629-1","SUSE-SU-2023:0416-1"],"references":[{"type":"ADVISORY","url":"http://packetstormsecurity.com/files/168191/Kernel-Live-Patch-Security-Notice-LSN-0089-1.html"},{"type":"ADVISORY","url":"https://www.debian.org/security/2022/dsa-5161"},{"type":"FIX","url":"https://git.kernel.org/linus/eadb2f47a3ced5c64b23b90fd2a3463f63726066"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"6-NA"}]},{"events":[{"introduced":"0"},{"last_affected":"7-NA"}]},{"events":[{"introduced":"0"},{"last_affected":"8-NA"}]},{"events":[{"introduced":"0"},{"last_affected":"11.0"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-21499.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"}]}