GSD-2022-1008171 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-2022-1008171?
GSD-2022-1008171 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 v5.4.225 by commit afab4655750fcb3fca359bc7d7214e3d634cdf9c, it was introduced in version v5.4.110 by commit 4ac1feff6ea6495cbfd336f4438a6c6d140544a6. For more details please see the references link.
Which versions are affected by GSD-2022-1008171?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1008171?
No fix has been published for GSD-2022-1008171 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1008171 being exploited?
There is no known exploitation of GSD-2022-1008171 in the wild and no public exploit code.