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CVE-2025-71071

7.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: iommu/mediatek: fix use-after-free on probe deferral The driver is dropping the references taken to the larb devices during pro…

Published Jan 13, 2026CWE-416EPSS 0.15%

Overview

CVE-2025-71071 is a high-severity vulnerability. It was published on January 13, 2026 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. 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:

iommu/mediatek: fix use-after-free on probe deferral

The driver is dropping the references taken to the larb devices during

probe after successful lookup as well as on errors. This can

potentially lead to a use-after-free in case a larb device has not yet

been bound to its driver so that the iommu driver probe defers.

Fix this by keeping the references as expected while the iommu driver is

bound.

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/1ef70a0b104ae8011811f60bcfaa55ff49385171Refgit.kernel.org/stable/c/5c04217d06a1161aaf36267e9d971ab6f847d5a7Refgit.kernel.org/stable/c/896ec55da3b90bdb9fc04fedc17ad8c359b2eee5Refgit.kernel.org/stable/c/de83d4617f9fe059623e97acf7e1e10d209625b5Refgit.kernel.org/stable/c/f6c08d3aa441bbc1956e9d65f1cbb89113a5aa8a

How CyberStrike helps

Frequently asked questions

What is CVE-2025-71071?

CVE-2025-71071 is a high-severity vulnerability. It was published on January 13, 2026 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2025-71071?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2025-71071?

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-2025-71071?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-71071 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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