GSD-2021-1002147 dm: fix mempool NULL pointer race when completing IO
A race condition in the Linux Kernel device-mapper subsystem can lead to a NULL pointer dereference and system crash.
- 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-2021-1002147?
GSD-2021-1002147 is a vulnerability in Kernel, published on 14 Nov 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
dm: fix mempool NULL pointer race when completing IO
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 v5.15 by commit d208b89401e073de986dc891037c5a668f5d5d95. For more details please see the references link.
Which versions are affected by GSD-2021-1002147?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002147?
No fix has been published for GSD-2021-1002147 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1002147 being exploited?
There is no known exploitation of GSD-2021-1002147 in the wild and no public exploit code.