{"id":33335,"date":"2026-10-06T20:31:48","date_gmt":"2026-10-06T12:31:48","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-98266"},"modified":"2026-10-06T20:31:48","modified_gmt":"2026-10-06T12:31:48","slug":"cve-2026-98266","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-98266","title":{"rendered":"CVE-2026-98266 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: core: Fix poten"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>ALSA: core: Fix potential UAF after asynchronous card release<\/p>\n<p>Usually a sound driver releases the resources assigned to the card via<br \/>\nsnd_card_free(), and it synchronizes with the whole release procedure.<br \/>\nHowever, when the card is released asynchronously via<br \/>\nsnd_card_free_when_closed() like USB-audio driver, the situation is<br \/>\nslightly different; although the snd_card_disconnect() call at the<br \/>\ndisconnection guarantees that any newer accesses will be gated, the<br \/>\nin-flight tasks might be still accessing to the underlying card-&gt;dev<br \/>\ndevice even after the disconnection, which would cause a<br \/>\nuse-after-free in the end, as reported by fuzzers.<\/p>\n<p>For addressing the bug above, this patch takes the refcount of<br \/>\ncard-&gt;dev at initialization of the card object, and releases at its<br \/>\ndestructor.   This assures the availability of the card-&gt;dev in its<br \/>\nwhole lifecycle.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>ALSA: core: Fix potential UAF after asynchronous card release<\/p>\n<p>Usually a sound driver releases the resources assigned to the card v<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-33335","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/33335","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=33335"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=33335"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=33335"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}