GSD-2022-1001222 drm/dp: Fix OOB read when handling Post Cursor2 register
An out-of-bounds read in the Linux Kernel's DisplayPort driver allows attackers to read sensitive memory or cause a system crash.
- 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-2022-1001222?
GSD-2022-1001222 is a memory corruption vulnerability in Kernel, published on 24 Apr 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
drm/dp: Fix OOB read when handling Post Cursor2 register
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 v5.17.2 by commit aeaed9a9fe694f8b1462fb81e2d33298c929180b, it was introduced in version v5.5 by commit 79465e0ffeb9e4866939ea562bc55367be91e595. For more details please see the references link.
Which versions are affected by GSD-2022-1001222?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1001222?
No fix has been published for GSD-2022-1001222 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-2022-1001222 being exploited?
There is no known exploitation of GSD-2022-1001222 in the wild and no public exploit code.