GSD-2021-1000431 spi: Fix use-after-free with devm_spi_alloc_*
A use-after-free vulnerability in the Linux Kernel SPI subsystem could allow attackers to execute arbitrary code or cause a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not stated
- Fix
- None listed
What is GSD-2021-1000431?
GSD-2021-1000431 is an use after free vulnerability in Kernel, published on 31 May 2021.
Official description
spi: Fix use-after-free with devm_spi_alloc_*
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 v5.4.119 by commit 001c8e83646ad3b847b18f6ac55a54367d917d74, it was introduced in version v5.4.80 by commit 3e04a4976addbedcad326f47b0dd4efc570a1fac. For more details please see the references link.
Which versions are affected by GSD-2021-1000431?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000431?
No fix has been published for GSD-2021-1000431 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-2021-1000431 being exploited?
There is no known exploitation of GSD-2021-1000431 in the wild and no public exploit code.