{"id":"CVE-2026-43172","summary":"wifi: iwlwifi: fix 22000 series SMEM parsing","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwlwifi: fix 22000 series SMEM parsing\n\nIf the firmware were to report three LMACs (which doesn't\nexist in hardware) then using \"fwrt-\u003esmem_cfg.lmac[2]\" is\nan overrun of the array. Reject such and use IWL_FW_CHECK\ninstead of WARN_ON in this function.","modified":"2026-07-15T01:49:02.001465945Z","published":"2026-05-06T11:27:47.358Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43172.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/1d49a42717bdc8de77eabeb5b7d3e88d141ffea9"},{"type":"WEB","url":"https://git.kernel.org/stable/c/2b4b1510aaaf5b9fb57327ecffc20c055f61f205"},{"type":"WEB","url":"https://git.kernel.org/stable/c/58192b9ce09b0f0f86e2036683bd542130b91a98"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43172.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43172"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"ebfa7f8ae155c9a0bb2e4038d6b5d8b14881c424"},{"fixed":"1d49a42717bdc8de77eabeb5b7d3e88d141ffea9"},{"fixed":"2b4b1510aaaf5b9fb57327ecffc20c055f61f205"},{"fixed":"58192b9ce09b0f0f86e2036683bd542130b91a98"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-43172.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.8.0"},{"fixed":"6.18.16"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"6.19.6"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-43172.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}