CVE-2025-68739: PM / devfreq: hisi: Fix potential UAF in OPP handling

Severity: unknown
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: 2025-12-24 · updated 2026-10-13

Description

In the Linux kernel, the following vulnerability has been resolved: PM / devfreq: hisi: Fix potential UAF in OPP handling Ensure all required data is acquired before calling dev_pm_opp_put(opp) to maintain correct resource acquisition and release order.

Affected products

Linux kernel: 6.17 — fixed in 6.19

How to fix

Upgrade to a fixed version: Linux kernel 6.19. Check the vendor advisory for mitigations.

References

https://git.kernel.org/stable/c/26dd44a40096468396b6438985d8e44e0743f64c
https://git.kernel.org/stable/c/469b0b8ce08818f3e4f01d2fa8d0dadeab501e1f
https://git.kernel.org/stable/c/efb028b07f7b2d141b91c2fab5276b601f0d0dbe

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