CVE-2022-39189 Privilege escalation in n/a

What is CVE-2022-39189?

CVE-2022-39189 is a high-severity vulnerability in Linux kernel, published on 2 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Which versions are affected by CVE-2022-39189?

It affects 2 products.

Products include Linux kernel, Netapp Hci Baseboard Management Controller.

How do I fix CVE-2022-39189?

Upgrade to a fixed version.

Is CVE-2022-39189 being exploited?

There is no known exploitation of CVE-2022-39189 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as A-245869446, ASB-A-245869446, AZL-10859, DEBIAN-CVE-2022-39189, GHSA-f93p-vc52-m3wg, UBUNTU-CVE-2022-39189.