GSD-2022-1004716 xen/arm: Fix race in RB-tree based P2M accounting

Not scored Published

A race condition in Xen ARM P2M accounting allows local attackers to potentially escalate privileges or cause denial of service.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is GSD-2022-1004716?

GSD-2022-1004716 is a vulnerability in Kernel, published on 31 Jul 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

xen/arm: Fix race in RB-tree based P2M accounting

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 v5.4.204 by commit 5c03cad51b84fb26ccea7fd99130d8ec47949cfc. For more details please see the references link.

Which versions are affected by GSD-2022-1004716?

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

PackageAffectedFixed in
Kernel LinuxAll versionsNone

How do I fix GSD-2022-1004716?

No fix has been published for GSD-2022-1004716 yet. Limit exposure of the affected software until one is available.

Is GSD-2022-1004716 being exploited?

There is no known exploitation of GSD-2022-1004716 in the wild and no public exploit code.

Sources

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