CVE-2022-50195: ARM: dts: qcom: replace gcc PXO with pxo_board fixed clock

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-06-18 · updated 2026-06-17

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.

Affected products

Linux kernel: from 5.14 before 5.19.2 — fixed in 5.19.2

How to fix

Upgrade to a fixed version: Linux kernel 5.19.2. Check the vendor advisory for mitigations.

References

https://git.kernel.org/stable/c/0a4fa4ce697987b71eafce17bb198961ed9070bd
https://git.kernel.org/stable/c/eb9e93937756a05787977875830c0dc482cb57e0

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