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CVE-2026-72296

9.1 · CRITICAL

In the Linux kernel, the following vulnerability has been resolved: net: ife: require ETH_HLEN to be pullable in ife_decode() ife decode may return after making only the outer IFE header and meta…

Published Aug 15, 2026EPSS 0.73%

Overview

CVE-2026-72296 is a critical-severity vulnerability. It was published on August 15, 2026 and has a CVSS 3.1 base score of 9.1 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.1, 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: ife: require ETH_HLEN to be pullable in ife_decode()

ife decode may return after making only the outer IFE header and

metadata pullable. The caller then passes the decapsulated packet to

eth_type_trans(), which expects the inner Ethernet header to be

accessible from the linear data area.

With a malformed IFE frame, the inner Ethernet header may still be

shorter than ETH_HLEN in the linear area, which can lead to a crash in

the original code.

Fix this by extending the pull check in ife_decode() so that the inner

Ethernet header is also guaranteed to be pullable before returning.

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/1cb42ec10294a55380e52e674b3df2b962648242Refgit.kernel.org/stable/c/5526d1997aea6c9bd865ca4d4894b52e799d735cRefgit.kernel.org/stable/c/70013f9163bef7fbd9fa62f81cf91b2a7ba66163Refgit.kernel.org/stable/c/8c8818e52fddb247ff3214622401a4de6ff8482eRefgit.kernel.org/stable/c/9406f6012b7343661efb516a11c62d4db2b62f75Refgit.kernel.org/stable/c/9433578bff9c100c466a6354574892e55293cb8fRefgit.kernel.org/stable/c/b69ad768cd4a2ef4e07c18492ae85438ed17c7cbRefgit.kernel.org/stable/c/be272e159dfe1207b67332ad6e17adcf59b4ea4b

How CyberStrike helps

Frequently asked questions

What is CVE-2026-72296?

CVE-2026-72296 is a critical-severity vulnerability. It was published on August 15, 2026 and has a CVSS 3.1 base score of 9.1 (CRITICAL).

How severe is CVE-2026-72296?

This vulnerability has a CVSS 3.1 base score of 9.1, 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-2026-72296?

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-2026-72296?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-72296 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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