GSD-2022-1000447 mm: don't try to NUMA-migrate COW pages that have other uses
A logic error in Linux kernel memory management could cause incorrect NUMA migration of COW pages, potentially leading to undefined behavior or stability issues.
- 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-2022-1000447?
GSD-2022-1000447 is a vulnerability in Kernel, published on 27 Feb 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
mm: don't try to NUMA-migrate COW pages that have other uses
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 v5.15.25 by commit b3dc4b9d3ca68b370c4aeab5355007eedf948849, it was introduced in version v5.9 by commit 09854ba94c6aad7886996bfbee2530b3d8a7f4f4. For more details please see the references link.
Which versions are affected by GSD-2022-1000447?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1000447?
No fix has been published for GSD-2022-1000447 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1000447 being exploited?
There is no known exploitation of GSD-2022-1000447 in the wild and no public exploit code.