GSD-2022-1008368 nfs4: Fix kmemleak when allocate slot failed

Not scored Published

A memory leak in the Linux Kernel NFS client can lead to resource exhaustion and denial of service when slot allocation fails.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is GSD-2022-1008368?

GSD-2022-1008368 is a memory corruption vulnerability in Kernel, published on 8 Dec 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

nfs4: Fix kmemleak when allocate slot failed

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 v4.9.333 by commit 84b5cb476903003ae9ca88f32b57ff0eaefa6d4c, it was introduced in version v3.12 by commit abf79bb341bf52f75f295b850abdf5f78f584311. For more details please see the references link.

Which versions are affected by GSD-2022-1008368?

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

PackageAffectedFixed in
Kernel LinuxAll versionsNone

How do I fix GSD-2022-1008368?

No fix has been published for GSD-2022-1008368 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is GSD-2022-1008368 being exploited?

There is no known exploitation of GSD-2022-1008368 in the wild and no public exploit code.

Sources

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