CVE-2026-43172
HIGH severity · CVSS 8.8 · CWE-129
8.8CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorAdjacent
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/1d49a42717bdc8de77eabeb5b7d3e88d141ffea9 ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/1d49a42717bdc8de77eabeb5b7d3e88d141ffea9Patch
- https://git.kernel.org/stable/c/2b4b1510aaaf5b9fb57327ecffc20c055f61f205Patch
- https://git.kernel.org/stable/c/58192b9ce09b0f0f86e2036683bd542130b91a98Patch
- https://git.kernel.org/stable/c/5cc021586420c5e13acc65da5bf73edd451e2c3e
- https://git.kernel.org/stable/c/b23c7cd616a6a113363be707b7b9e4bc41b18a07