{"id":17309,"date":"2026-09-05T02:30:58","date_gmt":"2026-09-04T18:30:58","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-80805"},"modified":"2026-09-05T02:30:58","modified_gmt":"2026-09-04T18:30:58","slug":"cve-2026-80805","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-80805","title":{"rendered":"CVE-2026-80805 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nxfs: validate attr en"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>xfs: validate attr entry pointer before field access<\/p>\n<p>xfs_attr3_leaf_verify_entry() accesses lentry\/rentry fields (namelen,<br \/>\nvaluelen) before checking if the entry pointer itself is within bounds.<br \/>\nIf nameidx is crafted to point near the end of the buffer, these field<br \/>\naccesses can read out-of-bounds before the bounds check at<br \/>\nname_end &gt; buf_end is performed.<\/p>\n<p>Add explicit bounds checks for entry pointers before accessing their<br \/>\nfields. Use offsetof() to check that the start of the flexible array<br \/>\nmember (nameval\/name) is within bounds, which ensures all preceding<br \/>\nfields are safe to access.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>xfs: validate attr entry pointer before field access<\/p>\n<p>xfs_attr3_leaf_verify_entry() accesses lentry\/rentry fields (namelen,<br \/>\nvaluele<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-17309","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/17309","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=17309"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=17309"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=17309"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}