Detections
Analytics

CVE-2022-39189

high

Description

An issue was discovered the x86 KVM subsystem in the Linux kernel before 5.18.17. Unprivileged guest users can compromise the guest kernel because TLB flush operations are mishandled in certain KVM_VCPU_PREEMPTED situations.

References

https://www.debian.org/security/2023/dsa-5480

https://security.netapp.com/advisory/ntap-20230214-0007/

https://github.com/torvalds/linux/commit/6cd88243c7e03845a450795e134b488fc2afb736

https://bugs.chromium.org/p/project-zero/issues/detail?id=2309

https://www.cisa.gov/news-events/ics-advisories/icsa-24-165-06

https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6cd88243c7e03845a450795e134b488fc2afb736

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.17

Details

Source: Mitre, NVD

Published: 2022-09-02

Updated: 2025-05-05

Risk Information

CVSS v2

Base Score: 6.8

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

Severity: Medium

CVSS v3

Base Score: 7.8

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

Severity: High

EPSS

EPSS: 0.00013