{"id":"CVE-2026-68472","revision":null,"records":[{"revision":"5a497f2c379b4eaa8a2392b5892114cc","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-68472","aliases":[],"title":"wifi: cfg80211: validate EHT MLE before MLD ID read","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: cfg80211: validate EHT MLE before MLD ID read\n\ncfg80211_gen_new_ie() copies ML probe response elements from\nthe parent frame when the parent EHT multi-link element has an\nMLD ID matching the nontransmitted BSSID index.\n\nThe code only checked that the extension element had more than\none byte before calling ieee80211_mle_get_mld_id(). That helper\nassumes a BASIC MLE with enough common info and documents that\ncallers must first use ieee80211_mle_type_ok().\n\nAttack chain:\nmalicious AP sends a short EHT MLE in an MBSSID beacon.\ncfg80211_inform_bss_frame_data() stores the copied IE buffer.\ncfg80211_parse_mbssid_data() builds the nontransmitted BSS IE.\ncfg80211_gen_new_ie() sees the EHT MLE in the parent frame.\nieee80211_mle_get_mld_id() then reads past the IE boundary.\n\nValidate the MLE type and size before reading the MLD ID. This\nmatches the contract required by the MLE helper and rejects the\nshort element before any internal MLE fields are accessed.","state":0,"publishedAt":"2026-08-15T05:51:29.634+00:00","modifiedAt":"2026-10-19T21:09:11.873+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/scan.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"61dcfa8c2a8f6c53ce77b2c832b82990754b2aa9\",\n                            \"lessThan\": \"584657c5fc58d7a840623a2fa06331c9661dd0f1\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"61dcfa8c2a8f6c53ce77b2c832b82990754b2aa9\",\n                            \"lessThan\": \"3b0505e43da8fb5b2a7994c3c3604e5a74692154\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"61dcfa8c2a8f6c53ce77b2c832b82990754b2aa9\",\n                            \"lessThan\": \"74e27cd1d98b546fdb276008a83708d062339661\",\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/scan.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.14\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.14\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.40\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.1.5\",\n                            \"lessThanOrEqual\": \"7.1.*\",\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:N/A:H","score":8.1,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/584657c5fc58d7a840623a2fa06331c9661dd0f1","https://git.kernel.org/stable/c/3b0505e43da8fb5b2a7994c3c3604e5a74692154","https://git.kernel.org/stable/c/74e27cd1d98b546fdb276008a83708d062339661"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-68472","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-68472","identifiers":["CVE-2026-68472"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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Not a global EPSS backfill.","generation":"2026-11-08T15:12:21.7721538+00:00","complete":true,"records":1096,"lastAttemptAt":"2026-11-08T15:12:21.7721538+00:00","lastSuccessAt":"2026-11-08T15:12:25.6162622+00:00","error":null,"lastVerifiedAt":"2026-11-08T15:12:25.6162636+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. 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