CVE-2026-43172wifi: iwlwifi: fix 22000 series SMEM parsing
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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)
- Not given
- 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
- Analyzed
- Record last updated
- Oct 16, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | 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
- https://git.kernel.org/stable/c/1d49a42717bdc8de77eabeb5b7d3e88d141ffea9patch
- https://git.kernel.org/stable/c/2b4b1510aaaf5b9fb57327ecffc20c055f61f205patch
- https://git.kernel.org/stable/c/58192b9ce09b0f0f86e2036683bd542130b91a98patch
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.