GSD-2023-1000509 mm/mempolicy: fix memory leak in set_mempolicy_home_node system call
A memory leak in the Linux kernel's set_mempolicy_home_node system call allows local attackers to cause resource exhaustion and 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-2023-1000509?
GSD-2023-1000509 is a memory corruption vulnerability in Kernel, published on 17 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
mm/mempolicy: fix memory leak in set_mempolicy_home_node system call
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 v6.0.17 by commit 4ca0eb6b2f3add8c5daefb726ce57dc95d103d33, it was introduced in version v5.17 by commit c6018b4b254971863bd0ad36bb5e7d0fa0f0ddb0. For more details please see the references link.
Which versions are affected by GSD-2023-1000509?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000509?
No fix has been published for GSD-2023-1000509 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-2023-1000509 being exploited?
There is no known exploitation of GSD-2023-1000509 in the wild and no public exploit code.