GSD-2022-1007544 fs: fix UAF/GPF bug in nilfs_mdt_destroy
A use-after-free bug in the nilfs_mdt_destroy function of the Linux kernel can lead to system crashes or potential code execution.
- 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-2022-1007544?
GSD-2022-1007544 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
fs: fix UAF/GPF bug in nilfs_mdt_destroy
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 v4.19.262 by commit ec2aab115eb38ac4992ea2fcc2a02fbe7af5cf48. For more details please see the references link.
Which versions are affected by GSD-2022-1007544?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1007544?
No fix has been published for GSD-2022-1007544 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-2022-1007544 being exploited?
There is no known exploitation of GSD-2022-1007544 in the wild and no public exploit code.