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.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2025-12-24
Last Modified
2025-12-24
Generated
2026-07-06
AI Q&A
2025-12-24
EPSS Evaluated
2026-07-05
NVD
CVE-2025-68739
EUVD
EUVD-2025-205223

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel *

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-UNKNOWN

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
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.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2025-68739. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart