GSD-2023-1001867 can: isotp: split tx timer into transmission and timeout
A flaw in the Linux Kernel CAN ISO-TP implementation could lead to denial of service via timer handling issues.
- 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-2023-1001867?
GSD-2023-1001867 is a denial of service vulnerability in Kernel, published on 13 Feb 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
can: isotp: split tx timer into transmission and timeout
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 v6.1.11 by commit cae4c9bc35f72af5d4a079bb9d9fd62c4088a411, it was introduced in version v6.1 by commit 866337865f3747c68a3e7bb837611e39cec1ecd6. For more details please see the references link.
Which versions are affected by GSD-2023-1001867?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1001867?
No fix has been published for GSD-2023-1001867 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is GSD-2023-1001867 being exploited?
There is no known exploitation of GSD-2023-1001867 in the wild and no public exploit code.