GSD-2022-1001352 mm/mempolicy: fix mpol_new leak in shared_policy_replace
A memory leak in the Linux kernel's memory policy handling allows local attackers to cause a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1001352?
GSD-2022-1001352 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/mempolicy: fix mpol_new leak in shared_policy_replace
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 v5.16.20 by commit 6e00309ac716fa8225f0cbde2cd9c24f0e74ee21, it was introduced in version v3.8 by commit 42288fe366c4f1ce7522bc9f27d0bc2a81c55264. For more details please see the references link.
Which versions are affected by GSD-2022-1001352?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1001352?
No fix has been published for GSD-2022-1001352 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-2022-1001352 being exploited?
There is no known exploitation of GSD-2022-1001352 in the wild and no public exploit code.