{"id":"CVE-2021-38198","details":"arch/x86/kvm/mmu/paging_tmpl.h in the Linux kernel before 5.12.11 incorrectly computes the access permissions of a shadow page, leading to a missing guest protection page fault.","modified":"2026-03-15T22:41:28.059225Z","published":"2021-08-08T20:15:07.027Z","related":["SUSE-SU-2021:14849-1","SUSE-SU-2021:3073-1","SUSE-SU-2021:3177-1","SUSE-SU-2021:3178-1","SUSE-SU-2021:3179-1","SUSE-SU-2021:3192-1","SUSE-SU-2021:3196-1","SUSE-SU-2021:3205-1","SUSE-SU-2021:3205-2","SUSE-SU-2021:3206-1","SUSE-SU-2021:3207-1","SUSE-SU-2021:3217-1","SUSE-SU-2021:3415-1","SUSE-SU-2021:3876-1","SUSE-SU-2021:3929-1","SUSE-SU-2021:3935-1","SUSE-SU-2021:3969-1","SUSE-SU-2021:3972-1","openSUSE-SU-2021:1271-1","openSUSE-SU-2021:3179-1","openSUSE-SU-2021:3205-1","openSUSE-SU-2021:3876-1"],"references":[{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html"},{"type":"FIX","url":"https://github.com/torvalds/linux/commit/b1bd5cba3306691c771d558e94baa73e8b0b96b7"},{"type":"FIX","url":"https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.11"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-38198.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"5.12.11"}]},{"events":[{"introduced":"0"},{"last_affected":"9.0"}]}]}}],"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"}]}