{"id":3877,"date":"2026-09-04T18:42:50","date_gmt":"2026-09-04T10:42:50","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2025-70099"},"modified":"2026-09-04T18:42:50","modified_gmt":"2026-09-04T10:42:50","slug":"cve-2025-70099","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2025-70099","title":{"rendered":"CVE-2025-70099 [HIGH] &#8211; A NULL pointer dereference in the ext4_dir_en_get_name_len function in include\/ext4_dir.h"},"content":{"rendered":"<p>A NULL pointer dereference in the ext4_dir_en_get_name_len function in include\/ext4_dir.h of lwext4 1.0.0 allows attackers to cause a denial of service by supplying a specially crafted EXT4 filesystem image with malformed directory entries. During directory iteration, the code may fail to validate the directory entry pointer before accessing the name_len field, resulting in a segmentation fault. This affects versions based on (or equivalent to) the 2016-era codebase (1.0.0).<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A NULL pointer dereference in the ext4_dir_en_get_name_len function in include\/ext4_dir.h of lwext4 1.0.0 allows attackers to cause a denial of service by supplying a specially crafted EXT4 filesystem<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-3877","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/3877","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=3877"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3877"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3877"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}