CVE-2022-39189

High

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.

Package Linux Kernel
Published 2022-09-02
Last modified 2025-05-05
CVSS version 3.1
Patch available
Awaiting data

CVSS 3.1 score

7.8

out of 10
High
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

7 total
Showing 5 of 7 references View all on NVD

Frequently asked questions

  • What is CVE-2022-39189?

    CVE-2022-39189 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 . CVE-2022-39189 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2022-39189?

    CVE-2022-39189 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H .

  • Is there a patch available for CVE-2022-39189?

    Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2022-39189 patch availability.

  • Is CVE-2022-39189 actively exploited?

    No. CVE-2022-39189 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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