GSD-2022-1005526 NFSv4/pnfs: Fix a use-after-free bug in open
A use-after-free bug in the Linux Kernel NFSv4/pnfs open path allows local attackers to potentially execute code or escalate privileges.
- 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-2022-1005526?
GSD-2022-1005526 is an use after free vulnerability in Kernel, published on 17 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
NFSv4/pnfs: Fix a use-after-free bug in open
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 v5.15.63 by commit a4cf3dadd1fa43609f7c6570c9116b0e0a9923d1, it was introduced in version v5.15.47 by commit d4c2a041ed3ba114502d5ed6ace5b1a48d637a8e. For more details please see the references link.
Which versions are affected by GSD-2022-1005526?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1005526?
No fix has been published for GSD-2022-1005526 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is GSD-2022-1005526 being exploited?
There is no known exploitation of GSD-2022-1005526 in the wild and no public exploit code.