GSD-2022-1008329 gfs2: Check sb_bsize_shift after reading superblock
A missing validation in the GFS2 filesystem allows a local attacker to cause a denial of service by providing a malformed superblock.
- 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-2022-1008329?
GSD-2022-1008329 is a vulnerability in Kernel, published on 8 Dec 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
gfs2: Check sb_bsize_shift after reading superblock
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 v4.9.334 by commit d6b1e8ea6f3418c3b461ad5a35cdc93c996b2c87. For more details please see the references link.
Which versions are affected by GSD-2022-1008329?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1008329?
No fix has been published for GSD-2022-1008329 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1008329 being exploited?
There is no known exploitation of GSD-2022-1008329 in the wild and no public exploit code.