{"id":"CVE-2022-21499","state":"PUBLISHED","title":"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 ","description":"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).","publishedAt":"2022-06-09T20:15:28.000Z","updatedAt":"2024-09-24T20:05:11.047Z","severity":{"score":6.7,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","source":"oracle"},"assigner":"oracle","products":["Oracle Corporation Oracle Linux","Oracle Corporation Oracle VM"],"affected":[{"vendor":"Oracle Corporation","product":"Oracle Linux","versions":[{"version":"Oracle Linux: 6","status":"affected"},{"version":"Oracle Linux: 7","status":"affected"},{"version":"Oracle Linux: 8","status":"affected"}]},{"vendor":"Oracle Corporation","product":"Oracle VM","versions":[{"version":"Oracle VM: 3","status":"affected"}]}],"references":["https://git.kernel.org/linus/eadb2f47a3ced5c64b23b90fd2a3463f63726066","https://www.debian.org/security/2022/dsa-5161","http://packetstormsecurity.com/files/168191/Kernel-Live-Patch-Security-Notice-LSN-0089-1.html"],"weaknesses":[],"ingestedAt":"2026-10-29T19:49:35.025Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/21xxx/CVE-2022-21499.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2022-21499","state":"PUBLISHED","datePublished":"2022-06-09T20:15:28.000Z","dateUpdated":"2024-09-24T20:05:11.047Z","assignerShortName":"oracle","assignerOrgId":"43595867-4340-4103-b7a2-9a5208d29a85","dateReserved":"2021-11-15T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"KGDB and KDB allow read and write access to kernel memory, and thus should be restricted during lockdown. 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