{"id":17415,"date":"2026-09-05T02:31:05","date_gmt":"2026-09-04T18:31:05","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-80867"},"modified":"2026-09-05T02:31:05","modified_gmt":"2026-09-04T18:31:05","slug":"cve-2026-80867","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-80867","title":{"rendered":"CVE-2026-80867 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nalpha\/PCI: Add securi"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>alpha\/PCI: Add security_locked_down() check to pci_mmap_resource()<\/p>\n<p>Currently, Alpha&#8217;s pci_mmap_resource() does not check<br \/>\nsecurity_locked_down(LOCKDOWN_PCI_ACCESS) before allowing userspace to mmap<br \/>\nPCI BARs.<\/p>\n<p>The generic version has had this check since commit eb627e17727e (&#8220;PCI:<br \/>\nLock down BAR access when the kernel is locked down&#8221;) to prevent DMA<br \/>\nattacks when the kernel is locked down.<\/p>\n<p>Add the same check to Alpha&#8217;s pci_mmap_resource().<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>alpha\/PCI: Add security_locked_down() check to pci_mmap_resource()<\/p>\n<p>Currently, Alpha&#8217;s pci_mmap_resource() does not check<br \/>\nsecurity_<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-17415","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/17415","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=17415"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=17415"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=17415"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}