GSD-2022-1001909 can: isotp: sanitize CAN ID checks in isotp_bind()
Insufficient CAN ID checks in the Linux Kernel ISO-TP protocol allow local attackers to bypass restrictions, potentially leading to privilege escalation or 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-2022-1001909?
GSD-2022-1001909 is a missing authorization vulnerability in Kernel, published on 24 Apr 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
can: isotp: sanitize CAN ID checks in isotp_bind()
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 v5.15.33 by commit f343dbe82314ab457153c9afd970be4e9e553020, it was introduced in version v5.10 by commit e057dd3fc20ffb3d7f150af46542a51b59b90127. For more details please see the references link.
Which versions are affected by GSD-2022-1001909?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1001909?
No fix has been published for GSD-2022-1001909 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is GSD-2022-1001909 being exploited?
There is no known exploitation of GSD-2022-1001909 in the wild and no public exploit code.