{"id":15059,"date":"2026-09-04T19:02:23","date_gmt":"2026-09-04T11:02:23","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-64080"},"modified":"2026-09-04T19:02:23","modified_gmt":"2026-09-04T11:02:23","slug":"cve-2026-64080","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-64080","title":{"rendered":"CVE-2026-64080 [CRITICAL] &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nfirmware: arm_ffa: Sn"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>firmware: arm_ffa: Snapshot notifier callbacks under lock<\/p>\n<p>Both notification handlers currently look up a notifier callback under<br \/>\nnotify_lock, drop the lock, and then dereference the returned<br \/>\nnotifier entry. A concurrent unregister can delete and free that<br \/>\nentry in the gap, leaving the handler to dereference stale memory.<\/p>\n<p>Copy the callback pointer and callback data while notify_lock is<br \/>\nstill held and invoke the callback only after the lock is dropped.<br \/>\nThis keeps the existing callback execution model while removing the<br \/>\nuse-after-free window in both the framework and non-framework<br \/>\nnotification paths.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>firmware: arm_ffa: Snapshot notifier callbacks under lock<\/p>\n<p>Both notification handlers currently look up a notifier callback under<br \/>\nn<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-15059","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/15059","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=15059"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=15059"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=15059"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}