{"id":7494,"date":"2026-09-04T18:49:34","date_gmt":"2026-09-04T10:49:34","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-74497"},"modified":"2026-09-04T18:49:34","modified_gmt":"2026-09-04T10:49:34","slug":"cve-2026-74497","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-74497","title":{"rendered":"CVE-2026-74497 [HIGH] &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: usb-audio: Clam"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>ALSA: usb-audio: Clamp frame size in implicit-feedback mode<\/p>\n<p>snd_usb_handle_sync_urb() scales received sync packet sizes by the sender&#8217;s<br \/>\nstride and stores the result directly in out_packet-&gt;packet_size[i]. If a<br \/>\nconnected USB device sends an oversized sync packet, this frame count can<br \/>\nexceed ep-&gt;maxframesize.<\/p>\n<p>The un-clamped frame count then propagates to the playback endpoint queue,<br \/>\npotentially driving packet transfers beyond the endpoint&#8217;s hardware frame<br \/>\nlimits.<\/p>\n<p>Cap the calculated frame count against ep-&gt;maxframesize in<br \/>\nsnd_usb_handle_sync_urb() to prevent oversized packets from entering the<br \/>\nplayback queue.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>ALSA: usb-audio: Clamp frame size in implicit-feedback mode<\/p>\n<p>snd_usb_handle_sync_urb() scales received sync packet sizes by the sen<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-7494","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/7494","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=7494"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7494"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7494"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}