GSD-2021-1001174 driver core: auxiliary bus: Fix memory leak when driver_register() fail

Not scored Published

A memory leak in the Linux kernel auxiliary bus driver registration failure path can lead to resource exhaustion and denial of service.

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

What is GSD-2021-1001174?

GSD-2021-1001174 is a memory corruption vulnerability in Kernel, published on 3 Aug 2021.

Official description

driver core: auxiliary bus: Fix memory leak when driver_register() fail

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 v5.13.6 by commit ce5b3de58fc21303722df46551f7eb9a91afb409, it was introduced in version v5.11 by commit 7de3697e9cbd4bd3d62bafa249d57990e1b8f294. For more details please see the references link.

Which versions are affected by GSD-2021-1001174?

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

PackageAffectedFixed in
Kernel LinuxAll versionsNone

How do I fix GSD-2021-1001174?

No fix has been published for GSD-2021-1001174 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-2021-1001174 being exploited?

There is no known exploitation of GSD-2021-1001174 in the wild and no public exploit code.

Sources

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