{"id":15096,"date":"2026-09-04T19:02:25","date_gmt":"2026-09-04T11:02:25","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-64134"},"modified":"2026-09-04T19:02:25","modified_gmt":"2026-09-04T11:02:25","slug":"cve-2026-64134","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-64134","title":{"rendered":"CVE-2026-64134 [HIGH] &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: pcm: Don&#8217;t setu"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>ALSA: pcm: Don&#8217;t setup bogus iov_iter for silencing<\/p>\n<p>At transition to the iov_iter for PCM data transfer, we blindly<br \/>\napplied the iov_iter setup also for silencing (i.e. data = NULL), and<br \/>\nit leads to a calculation of bogus iov_iter.  Fortunately this didn&#8217;t<br \/>\ncause troubles on most of architectures but it goes wrong on RISC-V<br \/>\nnow, causing a NULL dereference.<\/p>\n<p>Handle the NULL data case to treat the silencing in interleaved_copy()<br \/>\nfor addressing the bug above.  noninterleaved_copy() has already the<br \/>\nNULL data handling, so it doesn&#8217;t need changes.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>ALSA: pcm: Don&#8217;t setup bogus iov_iter for silencing<\/p>\n<p>At transition to the iov_iter for PCM data transfer, we blindly<br \/>\napplied the io<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-15096","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/15096","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=15096"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=15096"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=15096"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}