GSD-2022-1004904 mm/mempolicy: fix uninit-value in mpol_rebind_policy()

Not scored Published

A local attacker can exploit an uninitialized value in the Linux kernel memory policy to potentially disclose sensitive kernel memory contents.

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-2022-1004904?

GSD-2022-1004904 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

mm/mempolicy: fix uninit-value in mpol_rebind_policy()

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 v4.9.325 by commit 5735845906fb1d90fe597f8b503fc0a857d475e3. For more details please see the references link.

Which versions are affected by GSD-2022-1004904?

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

PackageAffectedFixed in
Kernel LinuxAll versionsNone

How do I fix GSD-2022-1004904?

No fix has been published for GSD-2022-1004904 yet. Limit exposure of the affected software until one is available.

Is GSD-2022-1004904 being exploited?

There is no known exploitation of GSD-2022-1004904 in the wild and no public exploit code.

Sources

Is GSD-2022-1004904 in your software?

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