GSD-2022-1000696 auxdisplay: lcd2s: Fix memory leak in ->remove()

Not scored Published

A memory leak in the Linux kernel lcd2s driver can lead to resource exhaustion and denial of service, requiring local access and specific hardware configuration.

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-2022-1000696?

GSD-2022-1000696 is a memory corruption vulnerability in Kernel, published on 18 Mar 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

auxdisplay: lcd2s: Fix memory leak in ->remove()

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 v5.16.13 by commit 3585ed5f9b11a6094dd991d76a1541e5d03b986a, it was introduced in version v5.11 by commit 8c9108d014c5bd0f0da2e3544eb45dc56a6da92b. For more details please see the references link.

Which versions are affected by GSD-2022-1000696?

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

PackageAffectedFixed in
Kernel LinuxAll versionsNone

How do I fix GSD-2022-1000696?

No fix has been published for GSD-2022-1000696 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-2022-1000696 being exploited?

There is no known exploitation of GSD-2022-1000696 in the wild and no public exploit code.

Sources

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