{"id":33385,"date":"2026-10-06T20:31:53","date_gmt":"2026-10-06T12:31:53","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-98316"},"modified":"2026-10-06T20:31:53","modified_gmt":"2026-10-06T12:31:53","slug":"cve-2026-98316","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-98316","title":{"rendered":"CVE-2026-98316 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: bcd2000: Fix ra"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>ALSA: bcd2000: Fix race between rawmidi and disconnect<\/p>\n<p>Although we tried to fix the potential UAF issues at USB disconnect on<br \/>\nbcd2000 driver, there is still an overlooked case &#8212; namely, when a<br \/>\nrawmidi trigger callback has been already running at USB disconnect<br \/>\nhandling, the in-flight function (e.g. bcd2000_midi_send()) could<br \/>\nstill access the URB, because the previous URB NULL-check &amp; clearance<br \/>\nwas considered only for the URB complete callbacks, but not about the<br \/>\nparallel rawmidi operations.<\/p>\n<p>For addressing the race, this patch introduced a new spinlock that<br \/>\ncovers each rawmidi operation as well as the rawmidi handling in the<br \/>\ncomplete callback.  The URB is cleared with the lock, so it guarantees<br \/>\nthat the pending rawmidi task already finished or a NULL check is<br \/>\neffective.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>ALSA: bcd2000: Fix race between rawmidi and disconnect<\/p>\n<p>Although we tried to fix the potential UAF issues at USB disconnect on<br \/>\nbcd2<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-33385","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/33385","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=33385"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=33385"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=33385"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}