GSD-2021-1000457 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-2021-1000457?
GSD-2021-1000457 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 v4.19.191 by commit 28a5529068c51cdf0295ab1e11a99a3a909a03e4, it was introduced in version v4.19.163 by commit 234b432c7b6184b2d6c5ba2c55f0dd5023c0edf0. For more details please see the references link.
Which versions are affected by GSD-2021-1000457?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000457?
No fix has been published for GSD-2021-1000457 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-2021-1000457 being exploited?
There is no known exploitation of GSD-2021-1000457 in the wild and no public exploit code.