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 ↗

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

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