{"id":33399,"date":"2026-10-06T20:31:55","date_gmt":"2026-10-06T12:31:55","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-98330"},"modified":"2026-10-06T20:31:55","modified_gmt":"2026-10-06T12:31:55","slug":"cve-2026-98330","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-98330","title":{"rendered":"CVE-2026-98330 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: cfg80211: get t"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>wifi: cfg80211: get the wiphy out of a dying network namespace<\/p>\n<p>When a network namespace is destroyed, cfg80211_pernet_exit() moves any<br \/>\nwiphy back to the initial namespace, and just warns if that fails. But<br \/>\nmoving an interface can fail (due to allocation failures), and then the<br \/>\nwiphy is left behind with a garbage netns pointer:<\/p>\n<p>  Kernel mode fault at addr 0x30<br \/>\n  genlmsg_multicast_netns.constprop.0+0x46\/0xcf [cfg80211]<br \/>\n  nl80211_notify_wiphy+0xcd\/0xe8 [cfg80211]<br \/>\n  wiphy_unregister+0x169\/0x3fc [cfg80211]<\/p>\n<p>Note that commit debac3a20dec (&#8220;net: Remove conflicting altnames for<br \/>\ndying netns in __dev_change_net_namespace().&#8221;) fixed another path<br \/>\nthat could reach it without allocation failures.<\/p>\n<p>Remove interfaces that cannot be moved instead of failing the switch,<br \/>\nso that the wiphy always ends up in the initial namespace. In this<br \/>\ncase the netdev core will unregister the interfaces anyway.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>wifi: cfg80211: get the wiphy out of a dying network namespace<\/p>\n<p>When a network namespace is destroyed, cfg80211_pernet_exit() moves<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-33399","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/33399","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=33399"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=33399"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=33399"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}