{"id":"CVE-2026-93806","revision":"218279db98194ff69e66abb2f4acd8a5","records":[{"revision":"218279db98194ff69e66abb2f4acd8a5","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-93806","aliases":[],"title":"wifi: cfg80211: validate assoc response length before status and IE access","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: cfg80211: validate assoc response length before status and IE access\n\ncfg80211_rx_assoc_resp() initialises the status and response-IE fields\nof cfg80211_connect_resp_params from the management frame before\nproving that the frame is long enough for those offsets. S1G and\nregular association responses also have different IE offsets, but the\nS1G path only patched resp_ie after the unsafe initialiser had already\nrun.\n\nDefer resp_ie, resp_ie_len, and status to after the link-iteration\nloop. Use a bool to remember whether the frame is S1G, then validate\nthe appropriate minimum length and set all three fields in a single\nif/else block. Funnel short-frame and SME-reject cleanup through a\nshared free_bss label for the abandon paths.","state":0,"publishedAt":"2026-09-24T16:02:40.159+00:00","modifiedAt":"2026-10-03T10:57:39.214+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                        \"net/wireless/mlme.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6829c878ecd24ff0ae41b4668c7e9d0f11b66942\",\n                            \"lessThan\": \"3bcaaaa4ad334053ceea2ea2f0623f22afe2e1ac\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"6829c878ecd24ff0ae41b4668c7e9d0f11b66942\",\n                            \"lessThan\": \"71be658246c903b9e96976a23c23800675896a1b\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"6829c878ecd24ff0ae41b4668c7e9d0f11b66942\",\n                            \"lessThan\": \"a57310600c1e2b9ada0f37c96e8f48aef47d3093\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"6829c878ecd24ff0ae41b4668c7e9d0f11b66942\",\n                            \"lessThan\": \"78ac450ad4624d6b2999cb4eeb28916767f81247\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"6829c878ecd24ff0ae41b4668c7e9d0f11b66942\",\n                            \"lessThan\": \"b760113aeca2e9362d56bf9e9263373ffe6c8eb3\",\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                        \"net/wireless/mlme.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"2.6.32\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"2.6.32\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.189\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.158\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.111\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.53\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2\",\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/3bcaaaa4ad334053ceea2ea2f0623f22afe2e1ac","https://git.kernel.org/stable/c/71be658246c903b9e96976a23c23800675896a1b","https://git.kernel.org/stable/c/a57310600c1e2b9ada0f37c96e8f48aef47d3093","https://git.kernel.org/stable/c/78ac450ad4624d6b2999cb4eeb28916767f81247","https://git.kernel.org/stable/c/b760113aeca2e9362d56bf9e9263373ffe6c8eb3"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-93806","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-93806","identifiers":["CVE-2026-93806"]},"retained":false,"historicalAffected":[]}],"coverage":[]}