CVE-2023-30456

medium

Description

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.

References

https://security.netapp.com/advisory/ntap-20230511-0007/

https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html

https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html

https://github.com/torvalds/linux/commit/112e66017bff7f2837030f34c2bc19501e9212d5

https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.8

http://packetstormsecurity.com/files/173757/Kernel-Live-Patch-Security-Notice-LSN-0096-1.html

Details

Source: Mitre, NVD

Published: 2023-04-10

Updated: 2023-07-26

Risk Information

CVSS v2

Base Score: 4.6

Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 6.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Severity: Medium