GSD-2022-1003443 x86/MCE/AMD: Fix memory leak when threshold_create_bank() fails
A memory leak in the Linux kernel AMD MCE handler can lead to resource exhaustion and denial of service.
- 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-2022-1003443?
GSD-2022-1003443 is a memory corruption 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
x86/MCE/AMD: Fix memory leak when threshold_create_bank() fails
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 v5.15.46 by commit cc0dd4456f9573bf8af9b4d8754433918e809e1e, it was introduced in version v5.8 by commit 6458de97fc15530b54477c4e2b70af653e8ac3d9. For more details please see the references link.
Which versions are affected by GSD-2022-1003443?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1003443?
No fix has been published for GSD-2022-1003443 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-2022-1003443 being exploited?
There is no known exploitation of GSD-2022-1003443 in the wild and no public exploit code.