{"id":22562,"date":"2016-03-18T06:27:00","date_gmt":"2016-03-17T23:27:00","guid":{"rendered":"http:\/\/deepquest.code511.com\/blog\/2016\/03\/freebsd-kernel-amd64_set_ldt-heap-overflow\/"},"modified":"2016-03-18T06:27:00","modified_gmt":"2016-03-17T23:27:00","slug":"freebsd-kernel-amd64_set_ldt-heap-overflow","status":"publish","type":"post","link":"https:\/\/deepquest.code511.com\/blog\/2016\/03\/freebsd-kernel-amd64_set_ldt-heap-overflow\/","title":{"rendered":"FreeBSD Kernel amd64_set_ldt Heap Overflow"},"content":{"rendered":"<p>Core Security Technologies Advisory &#8211; An integer signedness error has been found in the amd64_set_ldt() function in the FreeBSD kernel code (define d in the \/sys\/amd64\/amd64\/sys_machdep.c file), which implements the i386_set_ldt system call on the amd64 version of the OS. This integer signedness issue ultimately leads to a heap overflow in the kernel, allowing local unprivileged attackers to crash the system. FreeBSD 10.2 amd64 is affected.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Core Security Technologies Advisory &#8211; An integer signedness error has been found in the amd64_set_ldt() function in the FreeBSD kernel code (define d in the \/sys\/amd64\/amd64\/sys_machdep.c file), which implements the&#8230;<\/p>\n","protected":false},"author":439,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[43],"tags":[],"class_list":["post-22562","post","type-post","status-publish","format-standard","hentry","category-exploit"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p4bBYZ-5RU","_links":{"self":[{"href":"https:\/\/deepquest.code511.com\/blog\/wp-json\/wp\/v2\/posts\/22562","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/deepquest.code511.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/deepquest.code511.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/deepquest.code511.com\/blog\/wp-json\/wp\/v2\/users\/439"}],"replies":[{"embeddable":true,"href":"https:\/\/deepquest.code511.com\/blog\/wp-json\/wp\/v2\/comments?post=22562"}],"version-history":[{"count":0,"href":"https:\/\/deepquest.code511.com\/blog\/wp-json\/wp\/v2\/posts\/22562\/revisions"}],"wp:attachment":[{"href":"https:\/\/deepquest.code511.com\/blog\/wp-json\/wp\/v2\/media?parent=22562"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/deepquest.code511.com\/blog\/wp-json\/wp\/v2\/categories?post=22562"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/deepquest.code511.com\/blog\/wp-json\/wp\/v2\/tags?post=22562"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}