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CVE-2026-72399

9.8 · CRITICAL

In the Linux kernel, the following vulnerability has been resolved: net: enetc: check the number of BDs needed for xdp_frame The size of xdp_redirect_arr array is ENETC_MAX_SKB_FRAGS.

Published Aug 15, 2026EPSS 0.68%

Overview

CVE-2026-72399 is a critical-severity vulnerability. It was published on August 15, 2026 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

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

net: enetc: check the number of BDs needed for xdp_frame

The size of xdp_redirect_arr array is ENETC_MAX_SKB_FRAGS. However, the

number of fragments contained in xdp_frame may be greater than or equal

to ENETC_MAX_SKB_FRAGS, which will cause the access to xdp_redirect_arr

to be out of bounds.

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/1681cc7974a6123f5d5740b03bc11e4784bd2542Refgit.kernel.org/stable/c/1ecb199b0e6d12ab6c26c0b7edf1a8f4472d9aedRefgit.kernel.org/stable/c/555c5475e787802eeae0d2b91c2f66c330db2767Refgit.kernel.org/stable/c/cfbc6e9b84dcc0aa2d65c84ea4745af327763209Refgit.kernel.org/stable/c/d22829101ab675607ad6c3d420fb3ab875f46bbbRefgit.kernel.org/stable/c/f55276160ffad3e235b657ee4b7304eb99b90e5c

How CyberStrike helps

Frequently asked questions

What is CVE-2026-72399?

CVE-2026-72399 is a critical-severity vulnerability. It was published on August 15, 2026 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2026-72399?

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-72399?

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-2026-72399?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-72399 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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