Expected Behavior Violation Affecting kernel-rt-debug-kvm package, versions <0:5.14.0-284.11.1.rt14.296.el9_2


Severity

Recommended
0.0
high
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.05% (16th percentile)

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  • Snyk IDSNYK-CENTOS9-KERNELRTDEBUGKVM-3018302
  • published7 Sept 2022
  • disclosed30 May 2022

Introduced: 30 May 2022

CVE-2022-39189  (opens in a new tab)
CWE-440  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Centos:9 kernel-rt-debug-kvm to version 0:5.14.0-284.11.1.rt14.296.el9_2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-debug-kvm package and not the kernel-rt-debug-kvm package as distributed by Centos. See How to fix? for Centos:9 relevant fixed versions and status.

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.

CVSS Scores

version 3.1