GSD-2022-1006509 block: Do not call blk_put_queue() if gendisk allocation fails
A null pointer dereference in the Linux kernel block layer can cause a system crash when gendisk allocation fails.
- 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-2022-1006509?
GSD-2022-1006509 is a vulnerability in Kernel, published on 9 Oct 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
block: Do not call blk_put_queue() if gendisk allocation fails
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 v5.19.12 by commit 98756ca2584e64dc53d3d9170af6257f860adec2, it was introduced in version v5.19.12 by commit d27b66257db183fe11c10f31246ae965adb005d3. For more details please see the references link.
Which versions are affected by GSD-2022-1006509?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1006509?
No fix has been published for GSD-2022-1006509 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1006509 being exploited?
There is no known exploitation of GSD-2022-1006509 in the wild and no public exploit code.