GSD-2022-1007553 kernfs: fix use-after-free in __kernfs_remove
A use-after-free vulnerability in the Linux kernel's kernfs subsystem could allow local attackers to execute arbitrary code or escalate privileges.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Local or same network only
- Victim action needed
- Not stated
- Fix
- None listed
What is GSD-2022-1007553?
GSD-2022-1007553 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.
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 v4.14.298 by commit 02eb35131050735332658029082f61515b7dfe38. For more details please see the references link.
Which versions are affected by GSD-2022-1007553?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1007553?
No fix has been published for GSD-2022-1007553 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-2022-1007553 being exploited?
There is no known exploitation of GSD-2022-1007553 in the wild and no public exploit code.