iwlwifi driver can't load firmware since kernel-6.18
I have the issue with 6.18-rc2 and 6.18-rc3.
Downgrade to kernel 6.17 solves the problem.

uname -a
Linux tuxmachine 6.18.0-0.rc3.30.fc44.x86_64 #1 SMP PREEMPT_DYNAMIC Mon Oct 27 16:02:15 UTC 2025 x86_64 GNU/Linux

installed firmware :
iwlwifi-dvm-firmware.noarch 20251021-1.fc44 rawhide

lspci -l 

06:00.0 Network controller: Intel Corporation Ultimate N WiFi Link 5300
        Subsystem: Intel Corporation Device 1001
        Kernel modules: iwlwifi

dmesg | grep iwlwifi

[    4.908485] iwlwifi 0000:06:00.0: enabling device (0000 -> 0002)
[    4.908699] iwlwifi 0000:06:00.0: can't disable ASPM; OS doesn't have ASPM control
[    4.911798] iwlwifi 0000:06:00.0: Detected crf-id 0xa5a5a5a1, cnv-id 0xa5a5a5a1 wfpm id 0xa5a5a5a1
[    4.911808] iwlwifi 0000:06:00.0: PCI dev 4235/1001, rev=0x24, rfid=0xd55555d5
[    4.911811] iwlwifi 0000:06:00.0: Detected Intel(R) Ultimate N WiFi Link 5300 AGN
[    4.919328] iwlwifi 0000:06:00.0: Driver unable to support your firmware API. Driver supports FW core 4294967294..2, firmware is 2.
[    4.919359] iwlwifi 0000:06:00.0: Direct firmware load for iwlwifi-5000-4.ucode failed with error -2
[    4.919372] iwlwifi 0000:06:00.0: Direct firmware load for iwlwifi-5000-3.ucode failed with error -2
[    4.919382] iwlwifi 0000:06:00.0: Direct firmware load for iwlwifi-5000-2.ucode failed with error -2
[    4.919393] iwlwifi 0000:06:00.0: Direct firmware load for iwlwifi-5000-1.ucode failed with error -2
[    4.919394] iwlwifi 0000:06:00.0: no suitable firmware found!
[    4.919395] iwlwifi 0000:06:00.0: minimum version required: iwlwifi-5000-1
[    4.919395] iwlwifi 0000:06:00.0: maximum version supported: iwlwifi-5000-5
[    4.919396] iwlwifi 0000:06:00.0: check git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git





Reproducible: Always