{"id":"CVE-2026-43110","revision":null,"records":[{"revision":"d4fa49dbbfe243218ce5164b0b6102fa","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-43110","aliases":[],"title":"wifi: brcmfmac: validate bsscfg indices in IF events","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: brcmfmac: validate bsscfg indices in IF events\n\nbrcmf_fweh_handle_if_event() validates the firmware-provided interface\nindex before it touches drvr->iflist[], but it still uses the raw\nbsscfgidx field as an array index without a matching range check.\n\nReject IF events whose bsscfg index does not fit in drvr->iflist[]\nbefore indexing the interface array.\n\n[add missing wifi prefix]","state":0,"publishedAt":"2026-05-06T07:40:37.25+00:00","modifiedAt":"2026-10-19T19:06:13.623+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"unaffected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.c\"\n ],\n \"versions\": [\n {\n \"version\": \"2880b86859967af710c72f7d34fb421a86a71e22\",\n \"lessThan\": \"b329fbcf075949a038045d8e9b86ae3d5bbd8a54\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"2880b86859967af710c72f7d34fb421a86a71e22\",\n \"lessThan\": \"2ae3ccb78c0a9ef5ee3d80d02ab319ac1d5af734\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"2880b86859967af710c72f7d34fb421a86a71e22\",\n \"lessThan\": \"9c81bcc2c695e0082012a2a3d36a0eefaa51579c\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"2880b86859967af710c72f7d34fb421a86a71e22\",\n \"lessThan\": \"3ec7437e9d11374105c2c4e47ae671537729d7e6\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"2880b86859967af710c72f7d34fb421a86a71e22\",\n \"lessThan\": \"9fca68c2512a362cad258e4df12a307bb2ee4b8e\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"2880b86859967af710c72f7d34fb421a86a71e22\",\n \"lessThan\": \"1ae1e1caa428844e481231f6dbe9b4f475f1d52d\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"2880b86859967af710c72f7d34fb421a86a71e22\",\n \"lessThan\": \"b427c2b05222db36d32ee141609de6128e9091bb\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"2880b86859967af710c72f7d34fb421a86a71e22\",\n \"lessThan\": \"304950a467d83678bd0b0f46331882e2ac23b12d\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n }\n ]\n }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"affected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.c\"\n ],\n \"versions\": [\n {\n \"version\": \"3.9\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"3.9\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.10.258\",\n \"lessThanOrEqual\": \"5.10.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.15.209\",\n \"lessThanOrEqual\": \"5.15.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.175\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.136\",\n \"lessThanOrEqual\": \"6.6.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.12.83\",\n \"lessThanOrEqual\": \"6.12.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.18.24\",\n \"lessThanOrEqual\": \"6.18.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.19.14\",\n \"lessThanOrEqual\": \"6.19.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"7.0\",\n \"lessThanOrEqual\": \"*\",\n \"status\": \"unaffected\",\n \"versionType\": \"original_commit_for_fix\"\n }\n ]\n }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":8.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/b329fbcf075949a038045d8e9b86ae3d5bbd8a54","https://git.kernel.org/stable/c/2ae3ccb78c0a9ef5ee3d80d02ab319ac1d5af734","https://git.kernel.org/stable/c/9c81bcc2c695e0082012a2a3d36a0eefaa51579c","https://git.kernel.org/stable/c/3ec7437e9d11374105c2c4e47ae671537729d7e6","https://git.kernel.org/stable/c/9fca68c2512a362cad258e4df12a307bb2ee4b8e","https://git.kernel.org/stable/c/1ae1e1caa428844e481231f6dbe9b4f475f1d52d","https://git.kernel.org/stable/c/b427c2b05222db36d32ee141609de6128e9091bb","https://git.kernel.org/stable/c/304950a467d83678bd0b0f46331882e2ac23b12d"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-43110","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-43110","identifiers":["CVE-2026-43110"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all 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