GSD-2022-1008208 gfs2: Check sb_bsize_shift after reading superblock
Missing validation of block size shift in GFS2 superblock can lead to kernel issues, requiring a patch for stability.
- 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-2022-1008208?
GSD-2022-1008208 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 v4.19.267 by commit 15c83fa0fd659dd9fbdc940a560b61236e876a80. For more details please see the references link.
Which versions are affected by GSD-2022-1008208?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1008208?
No fix has been published for GSD-2022-1008208 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1008208 being exploited?
There is no known exploitation of GSD-2022-1008208 in the wild and no public exploit code.