{"id":3381,"date":"2026-09-04T04:59:40","date_gmt":"2026-09-03T20:59:40","guid":{"rendered":"https:\/\/www.54iter.cn\/?p=3381"},"modified":"2026-09-04T04:59:40","modified_gmt":"2026-09-03T20:59:40","slug":"cve-2026-80729","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-80729","title":{"rendered":"CVE-2026-80729 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nmm\/huge_memory: initi"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>mm\/huge_memory: initialise workingset state before folio split<\/p>\n<p>xas_try_split() adds __GFP_ACCOUNT for page-cache xa_nodes, but<br \/>\n__folio_split() leaves the xa_state&#8217;s xa_lru unset.  That lets a live,<br \/>\nmemcg-charged xa_node exist without being linked into the mapping&#8217;s<br \/>\nshadow_nodes list_lru; when reclaim later walks the list_lru it trips<br \/>\nVM_WARN_ON(!css_is_dying()).<\/p>\n<p>Use mapping_set_update() to install both the workingset update callback<br \/>\nand the shadow_nodes list_lru on the xa_state.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>mm\/huge_memory: initialise workingset state before folio split<\/p>\n<p>xas_try_split() adds __GFP_ACCOUNT for page-cache xa_nodes, but<br \/>\n__f<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-3381","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/3381","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=3381"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3381"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3381"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}