{"id":33403,"date":"2026-10-06T20:31:55","date_gmt":"2026-10-06T12:31:55","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-98334"},"modified":"2026-10-06T20:31:55","modified_gmt":"2026-10-06T12:31:55","slug":"cve-2026-98334","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-98334","title":{"rendered":"CVE-2026-98334 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: reset"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>wifi: mac80211: reset state when starting AP fails<\/p>\n<p>ieee80211_start_ap() can set enable_beacon (and beacon_int) and fail<br \/>\nlater, leaving it set forever. Scanning can then attempt to restore<br \/>\nbeaconing on such an interface, leading to:<\/p>\n<p>  Oops: divide error: 0000 [#1] SMP KASAN NOPTI<br \/>\n  RIP: 0010:mac80211_hwsim_link_info_changed+0xca7\/0xf00<br \/>\n  Call Trace:<br \/>\n   drv_link_info_changed+0x413\/0x860 net\/mac80211\/driver-ops.c:495<br \/>\n   ieee80211_link_info_change_notify+0x24b\/0x3c0 net\/mac80211\/main.c:427<br \/>\n   ieee80211_offchannel_return+0x381\/0x580 net\/mac80211\/offchannel.c:160<br \/>\n   __ieee80211_scan_completed+0x993\/0xe30 net\/mac80211\/scan.c:519<br \/>\n   ieee80211_scan_work+0x472\/0x2010 net\/mac80211\/scan.c:1193<br \/>\n   cfg80211_wiphy_work+0x2b7\/0x550 net\/wireless\/core.c:538<\/p>\n<p>in hwsim. Also, cfg80211 then allows changing the interface type,<br \/>\nand the off-channel path getgs confused about beaconing as well,<br \/>\nleading to another warning:<\/p>\n<p>  WARNING: net\/mac80211\/driver-ops.c:468 at drv_link_info_changed+0x583\/0x880<br \/>\n   ieee80211_link_info_change_notify+0x24b\/0x3c0 net\/mac80211\/main.c:427<br \/>\n   ieee80211_offchannel_stop_vifs+0x328\/0x5c0 net\/mac80211\/offchannel.c:122<br \/>\n   ieee80211_start_sw_scan net\/mac80211\/scan.c:583 [inline]<br \/>\n   __ieee80211_start_scan+0xfb6\/0x1af0 net\/mac80211\/scan.c:882<\/p>\n<p>Reset the state on failures to always have it correct.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>wifi: mac80211: reset state when starting AP fails<\/p>\n<p>ieee80211_start_ap() can set enable_beacon (and beacon_int) and fail<br \/>\nlater, lea<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-33403","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/33403","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln"}],"about":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/types\/vuln"}],"wp:attachment":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=33403"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=33403"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=33403"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}