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CVE-2025-71115

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: um: init cpu_tasks[] earlier This is currently done in uml_finishsetup(), but e.g.

Published Jan 14, 2026CWE-908EPSS 0.13%

Overview

CVE-2025-71115 is a medium-severity vulnerability. It was published on January 14, 2026 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

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

um: init cpu_tasks[] earlier

This is currently done in uml_finishsetup(), but e.g. with

KCOV enabled we'll crash because some init code can call

into e.g. memparse(), which has coverage annotations, and

then the checks in check_kcov_mode() crash because current

is NULL.

Simply initialize the cpu_tasks[] array statically, which

fixes the crash. For the later SMP work, it seems to have

not really caused any problems yet, but initialize all of

the entries anyway.

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/7b5d4416964c07c902163822a30a622111172b01Refgit.kernel.org/stable/c/dbbf6d47130674640cd12a0781a0fb2a575d0e44

How CyberStrike helps

Frequently asked questions

What is CVE-2025-71115?

CVE-2025-71115 is a medium-severity vulnerability. It was published on January 14, 2026 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2025-71115?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2025-71115?

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-2025-71115?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-71115 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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