GSD-2021-1002451 xhci: Fix commad ring abort, write all 64 bits to CRCR register.
A bug in the Linux kernel xHCI driver caused incorrect register writes during command ring aborts, potentially affecting USB functionality.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not stated
- Fix
- None listed
What is GSD-2021-1002451?
GSD-2021-1002451 is a vulnerability in Kernel, published on 19 Dec 2021.
Official description
xhci: Fix commad ring abort, write all 64 bits to CRCR 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 v5.4.164 by commit 095a39a2cc273d7a7a96a4ead75e3216314060c2, it was introduced in version v5.4.155 by commit 01c2dcb67e71c351006dd17cbba86c26b7f61eaf. For more details please see the references link.
Which versions are affected by GSD-2021-1002451?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002451?
No fix has been published for GSD-2021-1002451 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1002451 being exploited?
There is no known exploitation of GSD-2021-1002451 in the wild and no public exploit code.