GSD-2022-1004280 btrfs: fix hang during unmount when block group reclaim task is running
A local attacker can cause a system hang during unmount if a block group reclaim task is running, requiring a kernel patch.
- 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-2022-1004280?
GSD-2022-1004280 is a denial of service 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: fix hang during unmount when block group reclaim task is running
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 9fadb11f1295289e0da4d3342ecb6b92c1c99540, it was introduced in version v5.13 by commit 18bb8bbf13c1839b43c9e09e76d397b753989af2. For more details please see the references link.
Which versions are affected by GSD-2022-1004280?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004280?
No fix has been published for GSD-2022-1004280 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-2022-1004280 being exploited?
There is no known exploitation of GSD-2022-1004280 in the wild and no public exploit code.