GSD-2023-1001625 NFSv4.2: Fix a memory stomp in decode_attr_security_label
A memory stomp vulnerability in the Linux Kernel NFSv4.2 security label decoder allows attackers to cause memory corruption, potentially leading to code execution or system crashes.
- 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-2023-1001625?
GSD-2023-1001625 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
NFSv4.2: Fix a memory stomp in decode_attr_security_label
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 v4.9.337 by commit 6f384464b9a37795f2cbfd99d2f6ffebe01b6ead, it was introduced in version v4.9.233 by commit 8973046648c4f0392f50d915ea1bdb639e930519. For more details please see the references link.
Which versions are affected by GSD-2023-1001625?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1001625?
No fix has been published for GSD-2023-1001625 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-2023-1001625 being exploited?
There is no known exploitation of GSD-2023-1001625 in the wild and no public exploit code.