GSD-2021-1000294 spi: stm32: Fix use-after-free on unbind
A use-after-free vulnerability in the STM32 SPI driver allows local attackers to cause a denial of service or potentially execute code.
- 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-2021-1000294?
GSD-2021-1000294 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 v5.12.4 by commit 7bd798abad613855f80f7a205a60ccad17ad9487, it was introduced in version v5.12.4 by commit 1251ef565c1e31541019248a95eea5ffd5baa616. For more details please see the references link.
Which versions are affected by GSD-2021-1000294?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000294?
No fix has been published for GSD-2021-1000294 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-2021-1000294 being exploited?
There is no known exploitation of GSD-2021-1000294 in the wild and no public exploit code.