GSD-2022-1002139 NFSD: prevent underflow in nfssvc_decode_writeargs()

Not scored Published

An integer underflow in the Linux Kernel NFS server can lead to a denial of service, requiring a kernel patch.

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

What is GSD-2022-1002139?

GSD-2022-1002139 is a vulnerability in Kernel, published on 24 Apr 2022. It can be exploited over the network, with no action from the victim.

Official description

NFSD: prevent underflow in nfssvc_decode_writeargs()

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 v5.10.110 by commit 65e21cc042f4c1518c8c55283f53bc725b78419d. For more details please see the references link.

Which versions are affected by GSD-2022-1002139?

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

PackageAffectedFixed in
Kernel LinuxAll versionsNone

How do I fix GSD-2022-1002139?

No fix has been published for GSD-2022-1002139 yet. Limit exposure of the affected software until one is available.

Is GSD-2022-1002139 being exploited?

There is no known exploitation of GSD-2022-1002139 in the wild and no public exploit code.

Sources

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