CVE-2026-93799

high

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: validate sta_id in BA window status notif BA_WINDOW_STATUS_NOTIFICATION_ID extracts a 5-bit sta_id from the firmware notification and uses it to index fw_id_to_mac_id[] without bounds checking. Validate sta_id before array access to prevent out-of-bounds indexing.

References

https://git.kernel.org/stable/c/e35ae757c6462bfd3437bf58121bb721fe1f790c

https://git.kernel.org/stable/c/bb08fbbbd5568d33069485ecb0a1657f115a4e9f

https://git.kernel.org/stable/c/6aa77efaea9efea92e3090c35ad348fd759a3cf3

Details

Source: Mitre, NVD

Published: 2026-09-24

Updated: 2026-09-25

Risk Information

CVSS v2

Base Score: 8.3

Vector: CVSS2#AV:A/AC:L/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.8

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

Severity: High

EPSS

EPSS: 0.00239