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CVE-2025-68177

In the Linux kernel, the following vulnerability has been resolved: cpufreq/longhaul: handle NULL policy in longhaul_exit longhaul_exit() was calling cpufreq_cpu_get(0) without checking for a NUL…

Published Dec 16, 2025EPSS 0.21%

Overview

CVE-2025-68177 is a known-severity vulnerability. It was published on December 16, 2025.

Technical description

In the Linux kernel, the following vulnerability has been resolved:

cpufreq/longhaul: handle NULL policy in longhaul_exit

longhaul_exit() was calling cpufreq_cpu_get(0) without checking

for a NULL policy pointer. On some systems, this could lead to a

NULL dereference and a kernel warning or panic.

This patch adds a check using unlikely() and returns early if the

policy is NULL.

Bugzilla: #219962

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/55cf586b9556863e3c2a45460aba71bcb2be5bcdRefgit.kernel.org/stable/c/592532a77b736b5153e0c2e4c74aa50af0a352abRefgit.kernel.org/stable/c/64adabb6d9d51b7e7c02fe733346a2c4dd738488Refgit.kernel.org/stable/c/809cf2a7794ca4c14c304b349f4c3ae220701ce4Refgit.kernel.org/stable/c/8d6791c480f22d6e9a566eaa77336d3d37c5c591Refgit.kernel.org/stable/c/956b56d17a89775e4957bbddefa45cd3c6c71000Refgit.kernel.org/stable/c/b02352dd2e6cca98777714cc2a27553191df70dbRefgit.kernel.org/stable/c/fd93e1d71b3b14443092919be12b1abf08de35eb

How CyberStrike helps

Frequently asked questions

What is CVE-2025-68177?

CVE-2025-68177 is a known-severity vulnerability. It was published on December 16, 2025.

How severe is CVE-2025-68177?

CVSS score information is not yet available for this vulnerability. Check back as the CVE record is updated by NVD analysts.

How do I fix or remediate CVE-2025-68177?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-68177?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-68177 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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