GSD-2021-1000391 spi: stm32: Fix use-after-free on unbind

Not scored Published

A use-after-free vulnerability in the STM32 SPI driver allows local attackers with high privileges to potentially execute code or cause a system crash.

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-2021-1000391?

GSD-2021-1000391 is an use after free vulnerability in Kernel, published on 31 May 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

spi: stm32: Fix use-after-free on unbind

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 v5.10.37 by commit 05b3f9b0ac32fb3714efa13270700868b3000019, it was introduced in version v5.10.37 by commit 0390f6f1d0bcd36d0ab22367498cc2c4619c05d8. For more details please see the references link.

Which versions are affected by GSD-2021-1000391?

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

PackageAffectedFixed in
Kernel LinuxAll versionsNone

How do I fix GSD-2021-1000391?

No fix has been published for GSD-2021-1000391 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is GSD-2021-1000391 being exploited?

There is no known exploitation of GSD-2021-1000391 in the wild and no public exploit code.

Sources

Is GSD-2021-1000391 in your software?

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

Check your SBOMs for free