{"id":"CVE-2026-98334","revision":"e7b07c0c5606491599b58a3a1096cee7","records":[{"revision":"e7b07c0c5606491599b58a3a1096cee7","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-98334","aliases":[],"title":"wifi: mac80211: reset state when starting AP fails","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: reset state when starting AP fails\n\nieee80211_start_ap() can set enable_beacon (and beacon_int) and fail\nlater, leaving it set forever. Scanning can then attempt to restore\nbeaconing on such an interface, leading to:\n\n  Oops: divide error: 0000 [#1] SMP KASAN NOPTI\n  RIP: 0010:mac80211_hwsim_link_info_changed+0xca7/0xf00\n  Call Trace:\n   drv_link_info_changed+0x413/0x860 net/mac80211/driver-ops.c:495\n   ieee80211_link_info_change_notify+0x24b/0x3c0 net/mac80211/main.c:427\n   ieee80211_offchannel_return+0x381/0x580 net/mac80211/offchannel.c:160\n   __ieee80211_scan_completed+0x993/0xe30 net/mac80211/scan.c:519\n   ieee80211_scan_work+0x472/0x2010 net/mac80211/scan.c:1193\n   cfg80211_wiphy_work+0x2b7/0x550 net/wireless/core.c:538\n\nin hwsim. Also, cfg80211 then allows changing the interface type,\nand the off-channel path getgs confused about beaconing as well,\nleading to another warning:\n\n  WARNING: net/mac80211/driver-ops.c:468 at drv_link_info_changed+0x583/0x880\n   ieee80211_link_info_change_notify+0x24b/0x3c0 net/mac80211/main.c:427\n   ieee80211_offchannel_stop_vifs+0x328/0x5c0 net/mac80211/offchannel.c:122\n   ieee80211_start_sw_scan net/mac80211/scan.c:583 [inline]\n   __ieee80211_start_scan+0xfb6/0x1af0 net/mac80211/scan.c:882\n\nReset the state on failures to always have it correct.","state":0,"publishedAt":"2026-10-06T08:46:25.992+00:00","modifiedAt":"2026-10-19T09:17:45.494+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/mac80211/cfg.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"d6a83228823fc0cc8d79d95c9f0bf568b7317862\",\n                            \"lessThan\": \"d83da43e9b3b3b1bad99ac5a1065f1c63ad5fc32\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"d6a83228823fc0cc8d79d95c9f0bf568b7317862\",\n                            \"lessThan\": \"5d5ff5b36f5748a2a077f875a73ccb26860d3fcc\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"d6a83228823fc0cc8d79d95c9f0bf568b7317862\",\n                            \"lessThan\": \"6eac225f59c1c2277ac74f8a716d6df0ba3b8d28\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"d6a83228823fc0cc8d79d95c9f0bf568b7317862\",\n                            \"lessThan\": \"3f28551d0241254a75626d868041c6340285088b\",\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/mac80211/cfg.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\": \"6.12.112\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.54\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.8\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/d83da43e9b3b3b1bad99ac5a1065f1c63ad5fc32","https://git.kernel.org/stable/c/5d5ff5b36f5748a2a077f875a73ccb26860d3fcc","https://git.kernel.org/stable/c/6eac225f59c1c2277ac74f8a716d6df0ba3b8d28","https://git.kernel.org/stable/c/3f28551d0241254a75626d868041c6340285088b"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-98334","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-98334","identifiers":["CVE-2026-98334"]},"retained":false,"historicalAffected":[]}],"coverage":[]}