CVE-2023-30456

Severity

78%

Complexity

18%

Confidentiality

98%

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.

CVSS 3.1 Base Score 7.8. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

CVSS 3.1 Base Score 6.5. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H).

Overview

First reported 1 year ago

2023-04-10 02:15:00

Last updated 1 year ago

2023-07-26 17:15:00

Affected Software

Linux Kernel

References

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

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

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

Release Notes

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

Patch

[debian-lts-announce] 20230502 [SECURITY] [DLA 3404-1] linux-5.10 security update

[debian-lts-announce] 20230503 [SECURITY] [DLA 3403-1] linux security update

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

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

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