{"id":21423,"date":"2026-09-12T04:31:10","date_gmt":"2026-09-11T20:31:10","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-89501"},"modified":"2026-09-12T04:31:10","modified_gmt":"2026-09-11T20:31:10","slug":"cve-2026-89501","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-89501","title":{"rendered":"CVE-2026-89501 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nring-buffer: Hold cpu"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>ring-buffer: Hold cpu_buffer::lock when resizing a subbuf<\/p>\n<p>Because, ring_buffer_subbuf_order_set() can clear cpu_buffer-&gt;free_page,<br \/>\nhold cpu_buffer-&gt;lock to prevent races with<br \/>\nring_buffer_alloc_read_page() and ring_buffer_free_read_page().<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>ring-buffer: Hold cpu_buffer::lock when resizing a subbuf<\/p>\n<p>Because, ring_buffer_subbuf_order_set() can clear cpu_buffer-&gt;free_page,<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-21423","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/21423","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=21423"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=21423"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=21423"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}