GSD-2021-1001031 usb: cdnsp: Fix deadlock issue in cdnsp_thread_irq_handler
A deadlock in the Linux Kernel USB cdnsp driver can cause a denial of service, requiring a kernel patch to resolve.
- 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-2021-1001031?
GSD-2021-1001031 is a denial of service 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: cdnsp: Fix deadlock issue in cdnsp_thread_irq_handler
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 v5.12.11 by commit ae746b6f4ce619cf4032fd798a232b010907a397, it was introduced in version v5.12 by commit 3d82904559f4f5a2622db1b21de3edf2eded7664. For more details please see the references link.
Which versions are affected by GSD-2021-1001031?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1001031?
No fix has been published for GSD-2021-1001031 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-2021-1001031 being exploited?
There is no known exploitation of GSD-2021-1001031 in the wild and no public exploit code.