GSD-2022-1006001 video: fbdev: arkfb: Fix a divide-by-zero bug in ark_set_pixclock()
A divide-by-zero bug in the Linux kernel's arkfb driver allows local attackers to cause a system crash.
- 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-2022-1006001?
GSD-2022-1006001 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: arkfb: Fix a divide-by-zero bug in ark_set_pixclock()
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 v5.4.211 by commit a249e1b89ca25e1c34bdf96154e3f6224a91a9af, it was introduced in version v2.6.22 by commit 681e14730c73cc2c71af282c001de6bc71c22f00. For more details please see the references link.
Which versions are affected by GSD-2022-1006001?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1006001?
No fix has been published for GSD-2022-1006001 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-2022-1006001 being exploited?
There is no known exploitation of GSD-2022-1006001 in the wild and no public exploit code.