High 8.8Published May 6, 2026

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

Updated under an hour ago (Oct 27, 2026, 8:30 PM ET)

Does this affect you?

It affects Linux and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for Linux

Exploited in the last 30 days

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.

CVSS: 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-129
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Modified
Record last updated: Oct 21, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from ebfa7f8ae155c9a0bb2e4038d6b5d8b14881c424 before 5cc021586420c5e13acc65da5bf73edd451e2c3e; from ebfa7f8ae155c9a0bb2e4038d6b5d8b14881c424 before b23c7cd616a6a113363be707b7b9e4bc41b18a07; from ebfa7f8ae155c9a0bb2e4038d6b5d8b14881c424 before 1d49a42717bdc8de77eabeb5b7d3e88d141ffea9; from ebfa7f8ae155c9a0bb2e4038d6b5d8b14881c424 before 2b4b1510aaaf5b9fb57327ecffc20c055f61f205; from ebfa7f8ae155c9a0bb2e4038d6b5d8b14881c424 before 58192b9ce09b0f0f86e2036683bd542130b91a98	CNA record
linux linux_kernel linux:linux_kernel	from 5.8 before 6.18.16; from 6.19 before 6.19.6	NVD

References

References

https://git.kernel.org/stable/c/5cc021586420c5e13acc65da5bf73edd451e2c3e
https://git.kernel.org/stable/c/b23c7cd616a6a113363be707b7b9e4bc41b18a07
https://git.kernel.org/stable/c/1d49a42717bdc8de77eabeb5b7d3e88d141ffea9	patch
https://git.kernel.org/stable/c/2b4b1510aaaf5b9fb57327ecffc20c055f61f205	patch
https://git.kernel.org/stable/c/58192b9ce09b0f0f86e2036683bd542130b91a98	patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.