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. 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?

No patch is currently available for CVE-2022-39189. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2022-39189 actively exploited?

CVE-2022-39189 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

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

The following references provide additional information about CVE-2022-39189 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Debian Security
https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
Security
https://security.netapp.com/advisory/ntap-20230214-0007/

Third Party Advisory
Debian Security
https://www.debian.org/security/2023/dsa-5480

Third Party Advisory VDB Entry
Kernel patch commit
https://bugs.chromium.org/p/project-zero/issues/detail?id=2309
Patch
Kernel patch commit
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.17
Patch
Kernel patch commit
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6cd88243c7e03845a450795e134b488fc2afb736
Patch

4 patch commits total View all on NVD

Details

CVE ID CVE-2022-39189

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2022-09-02

Modified 2025-05-05

KEV No

Patch Awaiting data

Package linux

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?

No patch is currently available for CVE-2022-39189. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
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.