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CVE-2022-39189 Affecting kernel-debug-uki-virt package, versions <0:5.14.0-284.11.1.el9_2

Severity

 Recommended
0.0
high
0
10

Based on AlmaLinux security rating

    Threat Intelligence

    EPSS
    0.05% (16th percentile)

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  • Snyk ID SNYK-ALMALINUX9-KERNELDEBUGUKIVIRT-5643769
  • published 28 May 2023
  • disclosed 9 May 2023
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Introduced: 9 May 2023

CVE-2022-39189 Open this link in a new tab

How to fix?

Upgrade AlmaLinux:9 kernel-debug-uki-virt to version 0:5.14.0-284.11.1.el9_2 or higher.
This issue was patched in ALSA-2023:2458.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-debug-uki-virt package and not the kernel-debug-uki-virt package as distributed by AlmaLinux. See How to fix? for AlmaLinux: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.

References

CVSS Scores

version 3.1
Expand this section

NVD

7.8 high
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High
Expand this section

SUSE

7 high
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Red Hat

7 high