GSD-2022-1000191 USB: core: Fix hang in usb_kill_urb by adding memory barriers
A missing memory barrier in the Linux Kernel USB core can cause a system hang when killing URBs, leading to denial of service.
- 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-2022-1000191?
GSD-2022-1000191 is a denial of service vulnerability in Kernel, published on 18 Feb 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
USB: core: Fix hang in usb_kill_urb by adding memory barriers
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 v5.10.96 by commit e3b131e30e612ff0e32de6c1cb4f69f89db29193. For more details please see the references link.
Which versions are affected by GSD-2022-1000191?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1000191?
No fix has been published for GSD-2022-1000191 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-2022-1000191 being exploited?
There is no known exploitation of GSD-2022-1000191 in the wild and no public exploit code.