GSD-2022-1004256 btrfs: don't set lock_owner when locking extent buffer for reading
A race condition in the btrfs filesystem locking mechanism can lead to system instability or 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-2022-1004256?
GSD-2022-1004256 is a vulnerability in Kernel, published on 31 Jul 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
btrfs: don't set lock_owner when locking extent buffer for reading
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 v5.18.8 by commit 857503e74b9debf10d64d8f4fc5c3f6635652a49, it was introduced in version v5.11 by commit 196d59ab9ccc975d8d29292845d227cdf4423ef8. For more details please see the references link.
Which versions are affected by GSD-2022-1004256?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004256?
No fix has been published for GSD-2022-1004256 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1004256 being exploited?
There is no known exploitation of GSD-2022-1004256 in the wild and no public exploit code.