GSD-2022-1000491 powerpc/fixmap: Fix VM debug warning on unmap
A VM debug warning on unmap in the Linux kernel powerpc fixmap could lead to a denial of service, requiring a kernel patch.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Not stated
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1000491?
GSD-2022-1000491 is a denial of service vulnerability in Kernel, published on 27 Feb 2022.
Official description
powerpc/fixmap: Fix VM debug warning on unmap
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 v5.16.10 by commit 033fd42c18d9b2121595b6f1e8419a115f9ac5b7. For more details please see the references link.
Which versions are affected by GSD-2022-1000491?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1000491?
No fix has been published for GSD-2022-1000491 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-2022-1000491 being exploited?
There is no known exploitation of GSD-2022-1000491 in the wild and no public exploit code.