GSD-2022-1004991 btrfs: fix lockdep splat with reloc root extent buffers
A lockdep splat in the btrfs filesystem can cause a denial of service, requiring a kernel patch to resolve.
- 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-2022-1004991?
GSD-2022-1004991 is a denial of service 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
btrfs: fix lockdep splat with reloc root extent buffers
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 v5.19.7 by commit b83e1567af28055b9a0bb7b10fcdd58b02d00954. For more details please see the references link.
Which versions are affected by GSD-2022-1004991?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004991?
No fix has been published for GSD-2022-1004991 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is GSD-2022-1004991 being exploited?
There is no known exploitation of GSD-2022-1004991 in the wild and no public exploit code.