GSD-2022-1002849 x86/kexec: fix memory leak of elf header buffer

Not scored Published

A memory leak in the x86 kexec subsystem allows local attackers to exhaust kernel memory, potentially causing a denial of service.

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-2022-1002849?

GSD-2022-1002849 is a memory corruption vulnerability in Kernel, published on 28 Jun 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

x86/kexec: fix memory leak of elf header buffer

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 v5.18.3 by commit f675e3a9189d84a9324ab45b0cb19906c2bc8fcb. For more details please see the references link.

Which versions are affected by GSD-2022-1002849?

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

PackageAffectedFixed in
Kernel LinuxAll versionsNone

How do I fix GSD-2022-1002849?

No fix has been published for GSD-2022-1002849 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-2022-1002849 being exploited?

There is no known exploitation of GSD-2022-1002849 in the wild and no public exploit code.

Sources

Is GSD-2022-1002849 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free