GSD-2022-1004195 drm/panfrost: Fix shrinker list corruption by madvise IOCTL
A local attacker can corrupt kernel memory via the madvise IOCTL in the Panfrost driver, potentially causing a crash or privilege escalation.
- 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-2022-1004195?
GSD-2022-1004195 is a memory corruption vulnerability in Kernel, published on 31 Jul 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
drm/panfrost: Fix shrinker list corruption by madvise IOCTL
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 v5.18.13 by commit f036392edd9c49090781d8cca26ad6557a63bae4, it was introduced in version v5.4 by commit 013b6510131568ce4e01856d5360bfdfe9c3632f. For more details please see the references link.
Which versions are affected by GSD-2022-1004195?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004195?
No fix has been published for GSD-2022-1004195 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-2022-1004195 being exploited?
There is no known exploitation of GSD-2022-1004195 in the wild and no public exploit code.