GSD-2022-1001921 mm/pages_alloc.c: don't create ZONE_MOVABLE beyond the end of a node
A flaw in the Linux kernel memory allocator could allow local attackers to cause memory corruption, leading to system crashes or potential privilege escalation.
- 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-2022-1001921?
GSD-2022-1001921 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 v5.15.33 by commit a74bb0eeabcdbf61e9b5eef36c0cba70ac8f1926, 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-2022-1001921?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1001921?
No fix has been published for GSD-2022-1001921 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-2022-1001921 being exploited?
There is no known exploitation of GSD-2022-1001921 in the wild and no public exploit code.