GSD-2022-1005254 kasan: fix zeroing vmalloc memory with HW_TAGS
A bug in Linux Kernel KASAN HW_TAGS mode caused incorrect zeroing of vmalloc memory, potentially affecting memory safety checks.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not stated
- Fix
- None listed
What is GSD-2022-1005254?
GSD-2022-1005254 is a vulnerability in Kernel, published on 16 Sep 2022.
Official description
kasan: fix zeroing vmalloc memory with HW_TAGS
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 v5.19.2 by commit 02b8b1b5a98bbc77b8b0e902090fe7b43b974784, it was introduced in version v5.18 by commit 23689e91fb22c15b84ac6c22ad9942039792f3af. For more details please see the references link.
Which versions are affected by GSD-2022-1005254?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1005254?
No fix has been published for GSD-2022-1005254 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1005254 being exploited?
There is no known exploitation of GSD-2022-1005254 in the wild and no public exploit code.