GSD-2022-1005438 writeback: avoid use-after-free after removing device
A use-after-free vulnerability in the Linux kernel writeback subsystem allows local attackers to potentially execute code or cause a denial of service.
- 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-2022-1005438?
GSD-2022-1005438 is an use after free vulnerability in Kernel, published on 16 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
writeback: avoid use-after-free after removing device
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 v5.15.64 by commit f96b9f7c1676923bce871e728bb49c0dfa5013cc, it was introduced in version v5.15 by commit 45a2966fd64147518dc5bca25f447bd0fb5359ac. For more details please see the references link.
Which versions are affected by GSD-2022-1005438?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1005438?
No fix has been published for GSD-2022-1005438 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-2022-1005438 being exploited?
There is no known exploitation of GSD-2022-1005438 in the wild and no public exploit code.