CVE-2026-93791

high

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: add a check on the tid coming from the firmware ba_notif->tid is a firmware-controlled u8 that is used directly as an array index into tid_data[] without any validation. Add a bounds check against IWL_MAX_TID_COUNT before dereferencing the array.

References

https://git.kernel.org/stable/c/59f64c2839022f41a7867b38f9e38c185ff39283

https://git.kernel.org/stable/c/0e4c0d83267261cf67ec9690856edf4a56bb7dfc

https://git.kernel.org/stable/c/0b5325a0771674f1d65618de7db3df9d49186a12

Details

Source: Mitre, NVD

Published: 2026-09-24

Updated: 2026-09-25

Risk Information

CVSS v2

Base Score: 7.2

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

Severity: High

CVSS v3

Base Score: 7.8

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

Severity: High

EPSS

EPSS: 0.00166