GSD-2022-1004055 usb: usbip: fix a refcount leak in stub_probe()
A reference count leak in the Linux Kernel USBIP stub driver can lead to resource exhaustion and 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-2022-1004055?
GSD-2022-1004055 is a denial of service vulnerability in Kernel, published on 28 Jun 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
usb: usbip: fix a refcount leak in stub_probe()
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 v4.9.318 by commit 6bafee2f18af5e5ac125e42960bc65496d0e56a0, it was introduced in version v3.19 by commit 3ff67445750a84de67faaf52c6e1895cb09f2c56. For more details please see the references link.
Which versions are affected by GSD-2022-1004055?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004055?
No fix has been published for GSD-2022-1004055 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-2022-1004055 being exploited?
There is no known exploitation of GSD-2022-1004055 in the wild and no public exploit code.