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CVE-2025-71112

8.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: net: hns3: add VLAN id validation before using Currently, the VLAN id may be used without validation when receive a VLAN config…

Published Jan 14, 2026CWE-125EPSS 0.16%

Overview

CVE-2025-71112 is a high-severity vulnerability. It was published on January 14, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, 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:

net: hns3: add VLAN id validation before using

Currently, the VLAN id may be used without validation when

receive a VLAN configuration mailbox from VF. The length of

vlan_del_fail_bmap is BITS_TO_LONGS(VLAN_N_VID). It may cause

out-of-bounds memory access once the VLAN id is bigger than

or equal to VLAN_N_VID.

Therefore, VLAN id needs to be checked to ensure it is within

the range of VLAN_N_VID.

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/00e56a7706e10b3d00a258d81fcb85a7e96372d6Refgit.kernel.org/stable/c/42c91dfa772c57de141e5a55a187ac760c0fd7e1Refgit.kernel.org/stable/c/46c7d9fe8dd869ea5de666aba8c1ec1061ca44a8Refgit.kernel.org/stable/c/6ef935e65902bfed53980ad2754b06a284ea8ac1Refgit.kernel.org/stable/c/91a51d01be5c9f82c12c2921ca5cceaa31b67128Refgit.kernel.org/stable/c/95cca255a7a5ad782639ff0298c2a486707d1046Refgit.kernel.org/stable/c/b7b4f3bf118f51b67691a55b464f04452e5dc6fcRefcert-portal.siemens.com/productcert/html/ssa-019113.html

How CyberStrike helps

Frequently asked questions

What is CVE-2025-71112?

CVE-2025-71112 is a high-severity vulnerability. It was published on January 14, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2025-71112?

This vulnerability has a CVSS 3.1 base score of 8.8, 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-2025-71112?

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-2025-71112?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-71112 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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