HIGHCVE-2026-43172Published Modified CNA Linux
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->smem_cfg.lmac[2]" is an overrun of the array. Reject such and use IWL_FW_CHECK instead of WARN_ON in this function.
Metrics
- CVSS v3.1
- 8.8
- Severity
- HIGH
- Fixed in
- 0
- Affected Products
- 2
Fix available
01d49a42717bdc8de77eabeb5b7d3e88d141ffea92b4b1510aaaf5b9fb57327ecffc20c055f61f20558192b9ce09b0f0f86e2036683bd542130b91a986.18.166.19.67.0
Affected packages
- Linux / Linux< 1d49a42717bdc8de77eabeb5b7d3e88d141ffea9 (from ebfa7f8ae155c9a0bb2e4038d6b5d8b14881c424) · < 2b4b1510aaaf5b9fb57327ecffc20c055f61f205 (from ebfa7f8ae155c9a0bb2e4038d6b5d8b14881c424) · < 58192b9ce09b0f0f86e2036683bd542130b91a98 (from ebfa7f8ae155c9a0bb2e4038d6b5d8b14881c424)
- Linux / Linux5.8Fixed in 0, 6.18.16, 6.19.6, 7.0
CVSS Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H