GSD-2022-1005561 video: fbdev: vt8623fb: Check the size of screen before memset_io()
A missing size check in the vt8623fb driver can lead to a denial of service via invalid memory operations, requiring a kernel patch.
- 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-2022-1005561?
GSD-2022-1005561 is a denial of service 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: vt8623fb: 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 v5.15.61 by commit 4a3cef1eaced13ba9b55381d46bfad937a3dac2c, it was introduced in version v2.6.22 by commit 558b7bd86c32978648cda5deb5c758d77ef0c165. For more details please see the references link.
Which versions are affected by GSD-2022-1005561?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1005561?
No fix has been published for GSD-2022-1005561 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is GSD-2022-1005561 being exploited?
There is no known exploitation of GSD-2022-1005561 in the wild and no public exploit code.