GSD-2021-1002570 drm/vc4: kms: Add missing drm_crtc_commit_put
A missing reference count decrement in the Linux kernel DRM driver can lead to memory leaks and potential denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2021-1002570?
GSD-2021-1002570 is a memory corruption vulnerability in Kernel, published on 19 Dec 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
drm/vc4: kms: Add missing drm_crtc_commit_put
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 v5.15.7 by commit 53f9601e908d42481addd67cdb01a9288c611124, it was introduced in version v5.12 by commit 9ec03d7f1ed394897891319a4dda75f52c5d292d. For more details please see the references link.
Which versions are affected by GSD-2021-1002570?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002570?
No fix has been published for GSD-2021-1002570 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-2021-1002570 being exploited?
There is no known exploitation of GSD-2021-1002570 in the wild and no public exploit code.