GSD-2022-1001138 powerpc/tm: Fix more userspace r13 corruption
A memory corruption flaw in the Linux kernel's powerpc transactional memory handling allows local attackers to corrupt registers, potentially leading to privilege escalation or code execution.
- 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-2022-1001138?
GSD-2022-1001138 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
powerpc/tm: Fix more userspace r13 corruption
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 v5.17.2 by commit 73d8082c90f17dfba57cad4ca94db5cae323f1b1, it was introduced in version v3.9 by commit 98ae22e15b430bfed5def01ac1a88ec9396284c8. For more details please see the references link.
Which versions are affected by GSD-2022-1001138?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1001138?
No fix has been published for GSD-2022-1001138 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-2022-1001138 being exploited?
There is no known exploitation of GSD-2022-1001138 in the wild and no public exploit code.