CVE-2022-39189

Name: CVE-2022-39189
Creator: NVD / NIST
Published: 2022-09-02T05:15:07.693+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.32%

Last modified Jun 17, 2026

CVE-2022-39189 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 0.32% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.32%

24.0th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	>= 4.16, < 5.4.244
Linux	Linux Kernel	>= 5.5.0, < 5.10.180
Linux	Linux Kernel	>= 5.11, < 5.15.60
Linux	Linux Kernel	>= 5.16, < 5.18.17
Netapp	Hci Baseboard Management Controller	h300s
Netapp	Hci Baseboard Management Controller	h410c
Netapp	Hci Baseboard Management Controller	h410s
Netapp	Hci Baseboard Management Controller	h500s
Netapp	Hci Baseboard Management Controller	h700s

References

https://bugs.chromium.org/p/project-zero/issues/detail?id=2309Issue Tracking, Patch, Third Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.17Patch, Release Notes, Vendor Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6cd88243c7e03845a450795e134b488fc2afb736Patch, Vendor Advisory
https://github.com/torvalds/linux/commit/6cd88243c7e03845a450795e134b488fc2afb736Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
https://security.netapp.com/advisory/ntap-20230214-0007/Third Party Advisory
https://www.debian.org/security/2023/dsa-5480Third Party Advisory, VDB Entry
https://bugs.chromium.org/p/project-zero/issues/detail?id=2309Issue Tracking, Patch, Third Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.17Patch, Release Notes, Vendor Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6cd88243c7e03845a450795e134b488fc2afb736Patch, Vendor Advisory
https://github.com/torvalds/linux/commit/6cd88243c7e03845a450795e134b488fc2afb736Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
https://security.netapp.com/advisory/ntap-20230214-0007/Third Party Advisory
https://www.debian.org/security/2023/dsa-5480Third Party Advisory, VDB Entry

Timeline

Published: Sep 2, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-39189?

How severe is CVE-2022-39189?

CVE-2022-39189 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.32% probability of exploitation in the next 30 days.

How do I fix CVE-2022-39189?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-39189?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST