GSD-2021-1000957 usb: typec: tcpm: cancel vdm and state machine hrtimer when unregister tcpm port
A race condition in the Linux Kernel USB Type-C driver can cause a denial of service when unregistering a port.
- 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-2021-1000957?
GSD-2021-1000957 is a vulnerability in Kernel, published on 30 Jun 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
usb: typec: tcpm: cancel vdm and state machine hrtimer when unregister tcpm port
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 v5.10.44 by commit 18eaf0de50eadeeb395b83310b259b21ad8ed0a6, it was introduced in version v5.10 by commit 3ed8e1c2ac9914a2fcb08ec13476b85319536cea. For more details please see the references link.
Which versions are affected by GSD-2021-1000957?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000957?
No fix has been published for GSD-2021-1000957 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1000957 being exploited?
There is no known exploitation of GSD-2021-1000957 in the wild and no public exploit code.