{"id":11970,"date":"2026-09-04T18:53:59","date_gmt":"2026-09-04T10:53:59","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-80570"},"modified":"2026-09-04T18:53:59","modified_gmt":"2026-09-04T10:53:59","slug":"cve-2026-80570","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-80570","title":{"rendered":"CVE-2026-80570 [HIGH] &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nInput: synaptics-rmi4"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>Input: synaptics-rmi4 &#8211; zero report size on F54 work error<\/p>\n<p>In rmi_f54_work(), if an error occurs during report request or command<br \/>\nverification, the code jumped directly to the &#8216;error&#8217; label, bypassing<br \/>\nthe &#8216;abort&#8217; label where f54-&gt;report_size was normally zeroed out.<\/p>\n<p>This left f54-&gt;report_size containing its previous successful payload<br \/>\nsize. If a user then altered the V4L2 format to a smaller size, and a<br \/>\nsubsequent run failed, rmi_f54_buffer_queue() would copy the stale,<br \/>\nlarger payload size into the shrunken V4L2 buffer, causing a heap<br \/>\nbuffer overflow.<\/p>\n<p>Fix this by merging the &#8216;abort&#8217; and &#8216;error&#8217; labels into a single &#8216;out&#8217;<br \/>\nexit path, and ensuring that f54-&gt;report_size is always set to 0 on<br \/>\nfailure by checking for error and zeroing the local report_size first.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>Input: synaptics-rmi4 &#8211; zero report size on F54 work error<\/p>\n<p>In rmi_f54_work(), if an error occurs during report request or command<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-11970","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/11970","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=11970"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=11970"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=11970"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}