CVE-2026-43172

high

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: fix 22000 series SMEM parsing If the firmware were to report three LMACs (which doesn't exist in hardware) then using "fwrt->smem_cfg.lmac[2]" is an overrun of the array. Reject such and use IWL_FW_CHECK instead of WARN_ON in this function.

References

https://git.kernel.org/stable/c/58192b9ce09b0f0f86e2036683bd542130b91a98

https://git.kernel.org/stable/c/2b4b1510aaaf5b9fb57327ecffc20c055f61f205

https://git.kernel.org/stable/c/1d49a42717bdc8de77eabeb5b7d3e88d141ffea9

Details

Source: Mitre, NVD

Published: 2026-05-06

Updated: 2026-05-06

Risk Information

CVSS v2

Base Score: 6.6

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

Severity: Medium

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High