GSD-2022-1007625 kernfs: fix use-after-free in __kernfs_remove
A use-after-free vulnerability in the Linux kernel's kernfs subsystem allows local attackers to potentially escalate privileges or cause a system crash.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1007625?
GSD-2022-1007625 is an use after free vulnerability in Kernel, published on 14 Nov 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
kernfs: fix use-after-free in __kernfs_remove
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 v4.9.332 by commit 4dfd6a477a1525773469feaf3c514b2c0fef76b5. For more details please see the references link.
Which versions are affected by GSD-2022-1007625?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1007625?
No fix has been published for GSD-2022-1007625 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-2022-1007625 being exploited?
There is no known exploitation of GSD-2022-1007625 in the wild and no public exploit code.