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CVE-2025-39922

7.1 · HIGH

In the Linux kernel, the following vulnerability has been resolved: ixgbe: fix incorrect map used in eee linkmode incorrectly used ixgbe_lp_map in loops intended to populate the supported and adv…

Published Oct 1, 2025CWE-125EPSS 0.15%

Overview

CVE-2025-39922 is a high-severity vulnerability. It was published on October 1, 2025 and has a CVSS 3.1 base score of 7.1 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.1, 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:

ixgbe: fix incorrect map used in eee linkmode

incorrectly used ixgbe_lp_map in loops intended to populate the

supported and advertised EEE linkmode bitmaps based on ixgbe_ls_map.

This results in incorrect bit setting and potential out-of-bounds

access, since ixgbe_lp_map and ixgbe_ls_map have different sizes

and purposes.

ixgbe_lp_map[i] -> ixgbe_ls_map[i]

Use ixgbe_ls_map for supported and advertised linkmodes, and keep

ixgbe_lp_map usage only for link partner (lp_advertised) mapping.

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/129c1cb8a081a02d99267cb51708f1326395f4e8Refgit.kernel.org/stable/c/682105ab63826fb7ca7c112b42b478d156fbb19fRefgit.kernel.org/stable/c/b7e5c3e3bfa9dc8af75ff6d8633ad7070e1985e4

How CyberStrike helps

Frequently asked questions

What is CVE-2025-39922?

CVE-2025-39922 is a high-severity vulnerability. It was published on October 1, 2025 and has a CVSS 3.1 base score of 7.1 (HIGH).

How severe is CVE-2025-39922?

This vulnerability has a CVSS 3.1 base score of 7.1, 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-2025-39922?

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-2025-39922?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-39922 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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