{"id":25864,"date":"2026-09-18T04:32:00","date_gmt":"2026-09-17T20:32:00","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-92495"},"modified":"2026-09-18T04:32:00","modified_gmt":"2026-09-17T20:32:00","slug":"cve-2026-92495","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-92495","title":{"rendered":"CVE-2026-92495 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA\/bnxt_re: Clear V"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>RDMA\/bnxt_re: Clear VM_MAYWRITE on DBR\/toggle page mmap<\/p>\n<p>bnxt_re_mmap() rejects VM_WRITE for the DBR_PAGE and TOGGLE_PAGE mmap<br \/>\nflags, but a read-only mapping can still retain VM_MAYWRITE. nd later<br \/>\nbe upgraded with mprotect(PROT_WRITE). This can bypass the write check<br \/>\nthat only runs at mmap time.<\/p>\n<p>Clear VM_MAYWRITE before vm_insert_page() in the shared DBR\/toggle-page<br \/>\nbranch, matching the existing policy that userspace writes are not<br \/>\nexpected for these pages.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>RDMA\/bnxt_re: Clear VM_MAYWRITE on DBR\/toggle page mmap<\/p>\n<p>bnxt_re_mmap() rejects VM_WRITE for the DBR_PAGE and TOGGLE_PAGE mmap<br \/>\nflag<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-25864","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/25864","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=25864"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=25864"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=25864"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}