{"id":11978,"date":"2026-09-04T18:54:00","date_gmt":"2026-09-04T10:54:00","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-80582"},"modified":"2026-09-04T18:54:00","modified_gmt":"2026-09-04T10:54:00","slug":"cve-2026-80582","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-80582","title":{"rendered":"CVE-2026-80582 [HIGH] &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\ndrm\/shmem_helper: Che"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>drm\/shmem_helper: Check VMA boundaries for PMD mappings<\/p>\n<p>In the -&gt;huge_fault handler do not install a PMD huge page<br \/>\nmapping if the huge page exceeds the boundaries of the VMA.<\/p>\n<p>All other -&gt;huge_fault handlers have similar checks and the<br \/>\nresulting mapping will trigger a VM_BUG_ON_VMA() if it ever<br \/>\nreaches copy_pmd_range().<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>drm\/shmem_helper: Check VMA boundaries for PMD mappings<\/p>\n<p>In the -&gt;huge_fault handler do not install a PMD huge page<br \/>\nmapping if the <\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-11978","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/11978","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=11978"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=11978"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=11978"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}