GSD-2022-1003899 md/bitmap: don't set sb values if can't pass sanity check
A potential issue in the Linux kernel md/bitmap subsystem where superblock values are set without passing sanity checks, requiring a patch to prevent undefined behavior.
- 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-2022-1003899?
GSD-2022-1003899 is a vulnerability in Kernel, published on 28 Jun 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
md/bitmap: don't set sb values if can't pass sanity check
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 v4.19.247 by commit 422e8f7ba1e08c8e0e88d375bcb550bc2bbfe96d. For more details please see the references link.
Which versions are affected by GSD-2022-1003899?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1003899?
No fix has been published for GSD-2022-1003899 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1003899 being exploited?
There is no known exploitation of GSD-2022-1003899 in the wild and no public exploit code.