GSD-2022-1002450 mm/pages_alloc.c: don't create ZONE_MOVABLE beyond the end of a node
A kernel memory allocation flaw allows local attackers to cause denial of service or potentially escalate privileges by triggering ZONE_MOVABLE creation beyond node boundaries.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1002450?
GSD-2022-1002450 is a memory corruption vulnerability in Kernel, published on 24 Apr 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
mm/pages_alloc.c: don't create ZONE_MOVABLE beyond the end of a node
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 v4.14.276 by commit 4d6d259e5fa3647b5bc41a17276464ab8c2e1a44, it was introduced in version v2.6.23 by commit 2a1e274acf0b1c192face19a4be7c12d4503eaaf. For more details please see the references link.
Which versions are affected by GSD-2022-1002450?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1002450?
No fix has been published for GSD-2022-1002450 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is GSD-2022-1002450 being exploited?
There is no known exploitation of GSD-2022-1002450 in the wild and no public exploit code.