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CVE-2026-80617

9.8 · CRITICAL

In the Linux kernel, the following vulnerability has been resolved: net: airoha: fix foe_check_time allocation size foe_check_time is declared as u16 pointer but was allocated with only ppe_num_e…

Published Aug 28, 2026EPSS 0.70%

Overview

CVE-2026-80617 is a critical-severity vulnerability. It was published on August 28, 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: airoha: fix foe_check_time allocation size

foe_check_time is declared as u16 pointer but was allocated with

only ppe_num_entries bytes instead of ppe_num_entries * sizeof(u16).

When airoha_ppe_foe_verify_entry() is called with hash >= ppe_num_entries/2,

it writes beyond the allocated buffer, causing heap buffer overflow and

potential kernel crash.

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/112b5eff24e044561ee9599a0d34e0fcea1df4e0Refgit.kernel.org/stable/c/5c121ee635680c93d7074becf14cfbaac140f80dRefgit.kernel.org/stable/c/9f7cd1e26d2f1766438edc9b9254f2c618f9ae98

How CyberStrike helps

Frequently asked questions

What is CVE-2026-80617?

CVE-2026-80617 is a critical-severity vulnerability. It was published on August 28, 2026 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2026-80617?

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-2026-80617?

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-2026-80617?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-80617 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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