GSD-2022-1007953 drm/amdkfd: handle CPU fault on COW mapping
A local attacker can exploit a CPU fault handling issue in the AMD KFD driver to cause memory corruption, potentially leading to privilege escalation or system crash.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1007953?
GSD-2022-1007953 is a memory corruption vulnerability in Kernel, published on 8 Dec 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
drm/amdkfd: handle CPU fault on COW mapping
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 v5.15.79 by commit b1f852277171ad87a37bf42835839c306b7f05dd. For more details please see the references link.
Which versions are affected by GSD-2022-1007953?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1007953?
No fix has been published for GSD-2022-1007953 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is GSD-2022-1007953 being exploited?
There is no known exploitation of GSD-2022-1007953 in the wild and no public exploit code.