GSD-2021-1001691 drm/amdkfd: fix a potential ttm->sg memory leak
A memory leak in the Linux Kernel's AMD KFD driver allows local attackers to cause a denial of service by exhausting system memory.
- 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-2021-1001691?
GSD-2021-1001691 is a memory corruption vulnerability in Kernel, published on 19 Oct 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
drm/amdkfd: fix a potential ttm->sg memory leak
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 v5.14.12 by commit 7e5ce6029b627efb4a004746cfdc1eeff850e6eb, it was introduced in version v5.14 by commit 264fb4d332f5e76743818480e482464437837c52. For more details please see the references link.
Which versions are affected by GSD-2021-1001691?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1001691?
No fix has been published for GSD-2021-1001691 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-2021-1001691 being exploited?
There is no known exploitation of GSD-2021-1001691 in the wild and no public exploit code.