GSD-2021-1000607 USB: usbfs: Don't WARN about excessively large memory allocations
A local attacker can trigger excessive memory allocation warnings in the Linux kernel USB subsystem, potentially causing a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2021-1000607?
GSD-2021-1000607 is a denial of service vulnerability in Kernel, published on 4 Jun 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
USB: usbfs: Don't WARN about excessively large memory allocations
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 v5.10.42 by commit 8d83f109e920d2776991fa142bb904d985dca2ed, it was introduced in version by commit . For more details please see the references link.
Which versions are affected by GSD-2021-1000607?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000607?
No fix has been published for GSD-2021-1000607 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-2021-1000607 being exploited?
There is no known exploitation of GSD-2021-1000607 in the wild and no public exploit code.