{"id":39099,"date":"2026-10-16T00:35:01","date_gmt":"2026-10-15T16:35:01","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-98428"},"modified":"2026-10-16T00:35:01","modified_gmt":"2026-10-15T16:35:01","slug":"cve-2026-98428","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-98428","title":{"rendered":"CVE-2026-98428 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: usb: 6fire: Avo"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>ALSA: usb: 6fire: Avoid embedded URBs<\/p>\n<p>The USB 6fire driver uses URBs embedded in different structs for PCM,<br \/>\nMIDI and communication, and this is basically a buggy implementation<br \/>\nnowadays; since a URB is managed with a refcount, this may lead to a<br \/>\nUAF when the URB is released asynchronously.<\/p>\n<p>For addressing the problem, this patch converts those embedded URBs to<br \/>\nones that are properly allocated via usb_alloc_urb().  The<br \/>\npcm_urb.packets[] is gone, as it&#8217;s allocated by usb_alloc_urb(), hence<br \/>\nit&#8217;s found in urb.iso_frame_desc[] instead.<\/p>\n<p>The conversions are rather straightforward; each embedded struct urb<br \/>\nis changed to a pointer, and its callers are updated accordingly.<br \/>\nThe resource for those structs are released in the common destructor<br \/>\nfunctions (usb6fire_comm_free(), etc), which are called at both the<br \/>\ninit error path and the disconnect.<\/p>\n<p>No functional changes, only compile-tested.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>ALSA: usb: 6fire: Avoid embedded URBs<\/p>\n<p>The USB 6fire driver uses URBs embedded in different structs for PCM,<br \/>\nMIDI and communication<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-39099","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/39099","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=39099"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=39099"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=39099"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}