GSD-2022-1002666 mm, compaction: fast_find_migrateblock() should return pfn in the target zone
A bug in the Linux kernel memory compaction code can cause system instability or crashes, 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-2022-1002666?
GSD-2022-1002666 is a denial of service vulnerability in Kernel, published on 28 Jun 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
mm, compaction: fast_find_migrateblock() should return pfn in the target zone
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 v5.18.3 by commit 4d7fdff4dfd3da45f8e04228fe38568fd23bd6db, it was introduced in version v5.1 by commit 70b44595eafe9c7c235f076d653a268ca1ab9fdb. For more details please see the references link.
Which versions are affected by GSD-2022-1002666?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1002666?
No fix has been published for GSD-2022-1002666 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-2022-1002666 being exploited?
There is no known exploitation of GSD-2022-1002666 in the wild and no public exploit code.