GSD-2022-1001294 ext4: make mb_optimize_scan performance mount option work with extents
A bug in the ext4 filesystem's mb_optimize_scan mount option prevents it from working with extents, potentially affecting performance.
- 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-2022-1001294?
GSD-2022-1001294 is a vulnerability in Kernel, published on 24 Apr 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
ext4: make mb_optimize_scan performance mount option work with extents
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 v5.17.2 by commit b017c9a1abee723689204bea86b0cc36e480d187, it was introduced in version v5.13 by commit 196e402adf2e4cd66f101923409f1970ec5f1af3. For more details please see the references link.
Which versions are affected by GSD-2022-1001294?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1001294?
No fix has been published for GSD-2022-1001294 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1001294 being exploited?
There is no known exploitation of GSD-2022-1001294 in the wild and no public exploit code.