---
title: "CVE-2026-93280: Linux kernel greybus audio - Out of Bounds Read"
description: "Linux kernel greybus audio module contains an out-of-bounds read caused by unchecked topology section sizes in gb_audio_gb_get_topology and gbaudio_tplg_parse_data, letting attackers cause memory corruption, exploit requires malicious module-supplied topology data."
url: https://panop.io/threat-heartbeat/CVE-2026-93280/
---

# CVE-2026-93280 Linux kernel greybus audio - Out of Bounds Read

Linux kernel greybus audio module contains an out-of-bounds read caused by unchecked topology section sizes in gb\_audio\_gb\_get\_topology and gbaudio\_tplg\_parse\_data, letting attackers cause memory corruption, exploit requires malicious module-supplied topology data.

CVSS base score 8.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.32% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-93280)

## Details

Type

Out of Bounds Read

Impact

Denial Of Service, Information Disclosure

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Published

24 September 2026

Updated

15 October 2026

## Vendor fix

Update to the latest Linux kernel version with the fix applied.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-93280](https://nvd.nist.gov/vuln/detail/CVE-2026-93280)
- [https://git.kernel.org/stable/c/ba86de9f7b0d7903d2df5ea2373e34d8ca3fc43e](https://git.kernel.org/stable/c/ba86de9f7b0d7903d2df5ea2373e34d8ca3fc43e)
- [https://git.kernel.org/stable/c/c9191f2e2f35f1209eb2dc24b31129dd47b48c16](https://git.kernel.org/stable/c/c9191f2e2f35f1209eb2dc24b31129dd47b48c16)
- [https://git.kernel.org/stable/c/cfcc5a41a9664eb68023aae4cd0d485b256bd7c7](https://git.kernel.org/stable/c/cfcc5a41a9664eb68023aae4cd0d485b256bd7c7)
- [https://git.kernel.org/stable/c/d0f6eaba60705bacd9bb4ce48eab50ef3f546777](https://git.kernel.org/stable/c/d0f6eaba60705bacd9bb4ce48eab50ef3f546777)
- [https://git.kernel.org/stable/c/dd5593aee0a0fb353e1164aff7b65e563fe1f232](https://git.kernel.org/stable/c/dd5593aee0a0fb353e1164aff7b65e563fe1f232)
- [https://git.kernel.org/stable/c/33d8c7b794d2a30637c9d3fcb478f1d3222bef1e](https://git.kernel.org/stable/c/33d8c7b794d2a30637c9d3fcb478f1d3222bef1e)
- [https://git.kernel.org/stable/c/52daf9de692ebac813d110eb1e677dc0e1f4a5ab](https://git.kernel.org/stable/c/52daf9de692ebac813d110eb1e677dc0e1f4a5ab)
- [https://git.kernel.org/stable/c/6f764363b3173d805be11e59a8f23ecee2d420d5](https://git.kernel.org/stable/c/6f764363b3173d805be11e59a8f23ecee2d420d5)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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