GSD-2022-1004247 mm/memory-failure: disable unpoison once hw error happens
A flaw in the Linux kernel memory failure handler could allow local attackers to cause a denial of service by triggering hardware error handling logic.
- 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-2022-1004247?
GSD-2022-1004247 is a denial of service 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
mm/memory-failure: disable unpoison once hw error happens
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 v5.18.8 by commit fbbc9994641df6a1346c383d29ac7beb9160fbe8, it was introduced in version v2.6.33 by commit 847ce401df392b0704369fd3f75df614ac1414b4. For more details please see the references link.
Which versions are affected by GSD-2022-1004247?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004247?
No fix has been published for GSD-2022-1004247 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-2022-1004247 being exploited?
There is no known exploitation of GSD-2022-1004247 in the wild and no public exploit code.