CVE-2022-50195 ARM: dts: qcom: replace gcc PXO with pxo_board fixed clock
A kernel panic occurs in the Linux kernel when drivers attempt to use an invalid PXO clock source, leading to 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
- Available
What is CVE-2022-50195?
CVE-2022-50195 is a medium-severity denial of service vulnerability in Linux kernel, published on 18 Jun 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In the Linux kernel, the following vulnerability has been resolved:
ARM: dts: qcom: replace gcc PXO with pxo_board fixed clock
Replace gcc PXO phandle to pxo_board fixed clock declared in the dts. gcc driver doesn't provide PXO_SRC as it's a fixed-clock. This cause a kernel panic if any driver actually try to use it.
Which versions are affected by CVE-2022-50195?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2022-50195?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2022-50195 being exploited?
There is no known exploitation of CVE-2022-50195 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2022-50195, GHSA-vpq5-x7gr-w285, ROOT-OS-UBUNTU-2204-CVE-2022-50195, UBUNTU-CVE-2022-50195.