GSD-2022-1002051 ext4: fix ext4_mb_mark_bb() with flex_bg with fast_commit
A bug in the ext4 filesystem's fast_commit feature with flex_bg can cause issues, requiring local high-privilege access to trigger.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1002051?
GSD-2022-1002051 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: fix ext4_mb_mark_bb() with flex_bg with fast_commit
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 v5.10.110 by commit cd6d719534af993210306f8a13f9cb3e615f7c8d. For more details please see the references link.
Which versions are affected by GSD-2022-1002051?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1002051?
No fix has been published for GSD-2022-1002051 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1002051 being exploited?
There is no known exploitation of GSD-2022-1002051 in the wild and no public exploit code.