GSD-2022-1000423 phy: stm32: fix a refcount leak in stm32_usbphyc_pll_enable()
A reference count leak in the STM32 USB PHY 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-2022-1000423?
GSD-2022-1000423 is a denial of service vulnerability in Kernel, published on 27 Feb 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
phy: stm32: fix a refcount leak in stm32_usbphyc_pll_enable()
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 v5.15.24 by commit 94b16ca86ab688ed6fad4548f70137f93cf1f0a9, it was introduced in version v5.12 by commit 5b1af71280abd82efbe28cd28d553363dfde0a34. For more details please see the references link.
Which versions are affected by GSD-2022-1000423?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1000423?
No fix has been published for GSD-2022-1000423 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-2022-1000423 being exploited?
There is no known exploitation of GSD-2022-1000423 in the wild and no public exploit code.