GSD-2021-1001039 gpio: wcd934x: Fix shift-out-of-bounds error

Not scored Published

A shift-out-of-bounds error in the WCD934x GPIO driver can cause a kernel crash, requiring a patch to prevent denial of service.

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

What is GSD-2021-1001039?

GSD-2021-1001039 is a vulnerability in Kernel, published on 30 Jun 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

gpio: wcd934x: Fix shift-out-of-bounds error

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 v5.12.11 by commit dd55331d493b7ea75c5db1f24d6822946fde2862, it was introduced in version v5.6 by commit 59c324683400b41caa6d85b091e812ee3d5415c3. For more details please see the references link.

Which versions are affected by GSD-2021-1001039?

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

PackageAffectedFixed in
Kernel LinuxAll versionsNone

How do I fix GSD-2021-1001039?

No fix has been published for GSD-2021-1001039 yet. Limit exposure of the affected software until one is available.

Is GSD-2021-1001039 being exploited?

There is no known exploitation of GSD-2021-1001039 in the wild and no public exploit code.

Sources

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