Detections
Analytics

CVE-2021-38198

medium

Description

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.

References

https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html

https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html

https://github.com/torvalds/linux/commit/b1bd5cba3306691c771d558e94baa73e8b0b96b7

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.11

Details

Source: Mitre, NVD

Published: 2021-08-08

Updated: 2022-01-04

Risk Information

CVSS v2

Base Score: 2.1

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

Severity: Low

CVSS v3

Base Score: 5.5

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

Severity: Medium

EPSS

EPSS: 0.00022