GSD-2023-1001459 NFSv4.2: Fix a memory stomp in decode_attr_security_label
A memory corruption vulnerability in the Linux Kernel NFSv4.2 client allows remote attackers to cause a system crash or potentially execute arbitrary code.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2023-1001459?
GSD-2023-1001459 is a memory corruption vulnerability in Kernel, published on 17 Jan 2023. An attacker can exploit it over the internet without logging in, 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 v5.10.163 by commit 15feece7afcff25766a66aacc380652eebc0a114, it was introduced in version v5.9 by commit b4487b93545214a9db8cbf32e86411677b0cca21. For more details please see the references link.
Which versions are affected by GSD-2023-1001459?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1001459?
No fix has been published for GSD-2023-1001459 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-2023-1001459 being exploited?
There is no known exploitation of GSD-2023-1001459 in the wild and no public exploit code.