GSD-2022-1007948 can: af_can: fix NULL pointer dereference in can_rx_register()
A NULL pointer dereference in the Linux Kernel CAN subsystem allows local attackers to cause a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1007948?
GSD-2022-1007948 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
can: af_can: fix NULL pointer dereference in can_rx_register()
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 v5.15.79 by commit 261178a1c2623077d62e374a75c195e6c99a6f05, it was introduced in version v5.12 by commit 4e096a18867a5a989b510f6999d9c6b6622e8f7b. For more details please see the references link.
Which versions are affected by GSD-2022-1007948?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1007948?
No fix has been published for GSD-2022-1007948 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1007948 being exploited?
There is no known exploitation of GSD-2022-1007948 in the wild and no public exploit code.