GSD-2022-1005823 video: fbdev: s3fb: Check the size of screen before memset_io()
A missing size check in the s3fb framebuffer driver can lead to memory corruption and denial of service in the Linux kernel.
- 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-2022-1005823?
GSD-2022-1005823 is a memory corruption vulnerability in Kernel, published on 17 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
video: fbdev: s3fb: Check the size of screen before memset_io()
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 v5.10.137 by commit 5e0da18956d38e7106664dc1d06367b22f06edd3, it was introduced in version v2.6.21 by commit a268422de8bf1b4c0cb97987b6c329c9f6a3da4b. For more details please see the references link.
Which versions are affected by GSD-2022-1005823?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1005823?
No fix has been published for GSD-2022-1005823 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-2022-1005823 being exploited?
There is no known exploitation of GSD-2022-1005823 in the wild and no public exploit code.