CVE-2025-68739
Unknown Unknown - Not Provided
Use-After-Free Vulnerability in Linux Kernel devfreq OPP Handling

Publication date: 2025-12-24

Last updated on: 2025-12-24

Assigner: kernel.org

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.
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Meta Information
Published
2025-12-24
Last Modified
2025-12-24
Generated
2026-06-16
AI Q&A
2025-12-24
EPSS Evaluated
2026-06-15
NVD
CVE-2025-68739
EUVD
EUVD-2025-205223
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel *
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Exploitability
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KEV
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CWE ID Description
CWE-UNKNOWN
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Executive Summary

This vulnerability is a potential Use-After-Free (UAF) issue in the Linux kernel's PM / devfreq subsystem, specifically in the hisi driver related to Operating Performance Points (OPP) handling. The fix ensures that all required data is acquired before calling dev_pm_opp_put(opp) to maintain the correct order of resource acquisition and release, preventing the UAF condition.

Impact Analysis

A Use-After-Free vulnerability can lead to undefined behavior such as system crashes, data corruption, or potential escalation of privileges if exploited. In this case, it could affect the stability and security of systems running the affected Linux kernel, potentially allowing attackers to cause denial of service or execute arbitrary code.

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