GSD-2023-1002307 freezer,umh: Fix call_usermode_helper_exec() vs SIGKILL

Not scored Published

A race condition in the Linux kernel's usermode helper execution can lead to a denial of service when handling SIGKILL signals.

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-2023-1002307?

GSD-2023-1002307 is a vulnerability in Kernel, published on 7 Mar 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

freezer,umh: Fix call_usermode_helper_exec() vs SIGKILL

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 v6.1.13 by commit 7f9f6c54da876b3f0bece2b569456ceb96965ed7, it was introduced in version v6.1 by commit f5d39b020809146cc28e6e73369bf8065e0310aa. For more details please see the references link.

Which versions are affected by GSD-2023-1002307?

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

PackageAffectedFixed in
Kernel LinuxAll versionsNone

How do I fix GSD-2023-1002307?

No fix has been published for GSD-2023-1002307 yet. Limit exposure of the affected software until one is available.

Is GSD-2023-1002307 being exploited?

There is no known exploitation of GSD-2023-1002307 in the wild and no public exploit code.

Sources

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