GSD-2021-1002834 platform/x86: intel_pmc_core: fix memleak on registration failure

Not scored Published

A memory leak in the Intel PMC Core driver can lead to resource exhaustion and denial of service upon registration failure.

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-2021-1002834?

GSD-2021-1002834 is a memory corruption vulnerability in Kernel, published on 30 Dec 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

platform/x86: intel_pmc_core: fix memleak on registration failure

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 v5.15.12 by commit 9ca1324755f1f8629a370af5cc315b175331f5d1, it was introduced in version v5.9 by commit 938835aa903ae19ad62805134f79bbcf20fc3bea. For more details please see the references link.

Which versions are affected by GSD-2021-1002834?

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

PackageAffectedFixed in
Kernel LinuxAll versionsNone

How do I fix GSD-2021-1002834?

No fix has been published for GSD-2021-1002834 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-2021-1002834 being exploited?

There is no known exploitation of GSD-2021-1002834 in the wild and no public exploit code.

Sources

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