GSD-2022-1000867 KVM: x86/mmu: make apf token non-zero to fix bug

Not scored Published

A bug in KVM's asynchronous page fault token handling could lead to undefined behavior, requiring a kernel patch for mitigation.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is GSD-2022-1000867?

GSD-2022-1000867 is a vulnerability in Kernel, published on 18 Mar 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

KVM: x86/mmu: make apf token non-zero to fix bug

This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.10.103 by commit 72fdfc75d4217b32363cc80def3de2cb3fef3f02. For more details please see the references link.

Which versions are affected by GSD-2022-1000867?

1 open source package ship an affected version, including Kernel.

PackageAffectedFixed in
Kernel LinuxAll versionsNone

How do I fix GSD-2022-1000867?

No fix has been published for GSD-2022-1000867 yet. Limit exposure of the affected software until one is available.

Is GSD-2022-1000867 being exploited?

There is no known exploitation of GSD-2022-1000867 in the wild and no public exploit code.

Sources

Is GSD-2022-1000867 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free