{"id":41171,"date":"2026-10-19T00:32:27","date_gmt":"2026-10-18T16:32:27","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-98699"},"modified":"2026-10-19T00:32:27","modified_gmt":"2026-10-18T16:32:27","slug":"cve-2026-98699","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-98699","title":{"rendered":"CVE-2026-98699 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: fix m"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>wifi: mac80211: fix mesh fast xmit path deletion UAF<\/p>\n<p>mesh_fast_tx_cache() stores raw mesh_path pointers. Path deletion<br \/>\nflushes the cache and then frees the path with kfree_rcu(), but a<br \/>\nlookup that already holds the path can insert a new cache entry<br \/>\nafter the flush. The cache then points at freed memory.<\/p>\n<p>Set MESH_PATH_DELETED before flushing, and skip inserting a cache<br \/>\nentry if the path or MPP path is already deleted. Check this under<br \/>\nthe cache walk lock so it is ordered with the flush. Use WRITE_ONCE()<br \/>\nfor the deletion flag updates because the cache check reads flags<br \/>\nwithout taking state_lock.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>wifi: mac80211: fix mesh fast xmit path deletion UAF<\/p>\n<p>mesh_fast_tx_cache() stores raw mesh_path pointers. Path deletion<br \/>\nflushes the<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-41171","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/41171","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=41171"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=41171"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=41171"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}