{"id":"CVE-2023-30456","details":"An issue was discovered in arch/x86/kvm/vmx/nested.c in the Linux kernel before 6.2.8. nVMX on x86_64 lacks consistency checks for CR0 and CR4.","modified":"2026-03-13T07:35:08.426788Z","published":"2023-04-10T02:15:06.853Z","related":["ALSA-2023:7077","MGASA-2023-0148","MGASA-2023-0149","SUSE-SU-2023:2500-1","SUSE-SU-2023:2646-1","SUSE-SU-2023:2653-1","SUSE-SU-2023:2782-1","SUSE-SU-2023:2809-1","SUSE-SU-2023:2871-1"],"references":[{"type":"WEB","url":"http://packetstormsecurity.com/files/173757/Kernel-Live-Patch-Security-Notice-LSN-0096-1.html"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html"},{"type":"ADVISORY","url":"https://github.com/torvalds/linux/commit/112e66017bff7f2837030f34c2bc19501e9212d5"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20230511-0007/"},{"type":"FIX","url":"https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.8"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-30456.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"6.2.8"}]},{"events":[{"introduced":"0"},{"last_affected":"6.3-rc1"}]},{"events":[{"introduced":"0"},{"last_affected":"6.3-rc2"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H"}]}