GSD-2021-1002421 xhci: Fix commad ring abort, write all 64 bits to CRCR register.
A bug in the xHCI driver's command ring abort logic could cause system instability or crashes, requiring a kernel patch.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2021-1002421?
GSD-2021-1002421 is a vulnerability in Kernel, published on 19 Dec 2021. It can only be exploited from the same machine or local network, with no action from the victim.
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 v4.19.220 by commit abba418a9c73dcffecbe19ef93c7ae5d2e8e38d3, it was introduced in version v4.19.213 by commit 62c182b5e763e5f4062e72678e72ce3e02dd4d1b. For more details please see the references link.
Which versions are affected by GSD-2021-1002421?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002421?
No fix has been published for GSD-2021-1002421 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1002421 being exploited?
There is no known exploitation of GSD-2021-1002421 in the wild and no public exploit code.