GSD-2022-1005607 usb: host: Fix refcount leak in ehci_hcd_ppc_of_probe
A refcount leak in the EHCI USB host 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-2022-1005607?
GSD-2022-1005607 is a denial of service vulnerability in Kernel, published on 17 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
usb: host: Fix refcount leak in ehci_hcd_ppc_of_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 v5.15.61 by commit c0a4b454486b23bb4d94ce49f490830ecc354040, it was introduced in version v2.6.29 by commit 796bcae7361c28cf825780f6f1aac9dd3411394e. For more details please see the references link.
Which versions are affected by GSD-2022-1005607?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1005607?
No fix has been published for GSD-2022-1005607 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-2022-1005607 being exploited?
There is no known exploitation of GSD-2022-1005607 in the wild and no public exploit code.