CVE-2026-43172 wifi: iwlwifi: fix 22000 series SMEM parsing

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-smemcfg.lmac2" is an overrun of the array. Reject such and use IWLFWCHECK instead of WARNON ...

CVE-2026-43172

CVE-2026-43172 affects the Linux kernel iwlwifi driver. If the firmware reports three LMACs (which hardware does not have), the code can overrun the array fwrt->smem_cfg.lmac[2]. The fix rejects such configurations and uses IWL_FW_CHECK instead of WARN_ON, mitigating a potential instability/Do...