GSD-2022-1003647 x86/delay: Fix the wrong asm constraint in delay_loop()

Not scored Published

Incorrect assembly constraint in Linux kernel delay loop may cause undefined behavior, requiring a kernel patch for stability.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is GSD-2022-1003647?

GSD-2022-1003647 is a 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/delay: Fix the wrong asm constraint in delay_loop()

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 v5.10.121 by commit 58c7c015771479440ea90dd7e8abd18c600d40d7, it was introduced in version v2.6.27 by commit e01b70ef3eb3080fecc35e15f68cd274c0a48163. For more details please see the references link.

Which versions are affected by GSD-2022-1003647?

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

PackageAffectedFixed in
Kernel LinuxAll versionsNone

How do I fix GSD-2022-1003647?

No fix has been published for GSD-2022-1003647 yet. Limit exposure of the affected software until one is available.

Is GSD-2022-1003647 being exploited?

There is no known exploitation of GSD-2022-1003647 in the wild and no public exploit code.

Sources

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