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CVE-2026-93280

8.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: greybus: audio: bound the topology section sizes against the fetched size gb_audio_gb_get_topology() fetches a topology blob of…

Published Sep 24, 2026EPSS 0.32%

Overview

CVE-2026-93280 is a high-severity vulnerability. It was published on September 24, 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. No authentication or special privileges are required for exploitation.

Technical description

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

greybus: audio: bound the topology section sizes against the fetched size

gb_audio_gb_get_topology() fetches a topology blob of a module-supplied

size, and gbaudio_tplg_parse_data() then walks it by adding the

module-supplied size_dais, size_controls and size_widgets fields to

form the control, widget and route section offsets. Those le32 sizes

are never checked against the fetched blob, so a module reporting a

small topology size but large section sizes makes the offsets point

past the allocation, and parsing reads out of bounds.

Reject a topology whose section sizes do not fit within the fetched

size before it is parsed.

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/33d8c7b794d2a30637c9d3fcb478f1d3222bef1eRefgit.kernel.org/stable/c/52daf9de692ebac813d110eb1e677dc0e1f4a5abRefgit.kernel.org/stable/c/6f764363b3173d805be11e59a8f23ecee2d420d5Refgit.kernel.org/stable/c/ba86de9f7b0d7903d2df5ea2373e34d8ca3fc43eRefgit.kernel.org/stable/c/c9191f2e2f35f1209eb2dc24b31129dd47b48c16Refgit.kernel.org/stable/c/cfcc5a41a9664eb68023aae4cd0d485b256bd7c7Refgit.kernel.org/stable/c/d0f6eaba60705bacd9bb4ce48eab50ef3f546777Refgit.kernel.org/stable/c/dd5593aee0a0fb353e1164aff7b65e563fe1f232

How CyberStrike helps

Frequently asked questions

What is CVE-2026-93280?

CVE-2026-93280 is a high-severity vulnerability. It was published on September 24, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2026-93280?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-93280?

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-2026-93280?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-93280 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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