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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 Oracle Linux security rating

    Threat Intelligence

    EPSS
    0.05% (16th percentile)

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  • Snyk ID SNYK-ORACLE9-KERNELDEBUGUKIVIRT-5536110
  • published 16 May 2023
  • disclosed 2 Sep 2022
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Introduced: 2 Sep 2022

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

How to fix?

Upgrade Oracle:9 kernel-debug-uki-virt to version 0:5.14.0-284.11.1.el9_2 or higher.
This issue was patched in ELSA-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 Oracle. See How to fix? for Oracle: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