CVE-2026-93799 Linux kernel - Out of Bounds Read

Linux kernel contains a buffer over-read vulnerability caused by lack of bounds checking on sta_id extracted from firmware notification in iwlwifi mvm component, letting attackers cause out-of-bounds access, exploit requires crafted firmware notification.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.24% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Out of Bounds Read
Impact
Denial Of Service
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 for sta_id validation in iwlwifi mvm.

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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