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osvGoogleOSV:CVE-2022-39189
HistorySep 02, 2022 - 5:15 a.m.

CVE-2022-39189

2022-09-0205:15:07
Google
osv.dev
14
linux
kernel
x86
kvm
subsystem
vulnerability
guest users
tlb flush
compromise

7.3 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

14.3%

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.