{"id":22406,"date":"2016-03-01T15:41:56","date_gmt":"2016-03-01T08:41:56","guid":{"rendered":"http:\/\/deepquest.code511.com\/blog\/2016\/03\/qualcomm-adreno-gpu-msm-driver-perfcounter-query-heap-overflow\/"},"modified":"2016-03-01T15:41:56","modified_gmt":"2016-03-01T08:41:56","slug":"qualcomm-adreno-gpu-msm-driver-perfcounter-query-heap-overflow","status":"publish","type":"post","link":"https:\/\/deepquest.code511.com\/blog\/2016\/03\/qualcomm-adreno-gpu-msm-driver-perfcounter-query-heap-overflow\/","title":{"rendered":"Qualcomm Adreno GPU MSM Driver Perfcounter Query Heap Overflow"},"content":{"rendered":"<p>The Adreno GPU driver for the MSM Linux kernel contains a heap overflow in the IOCTL_KGSL_PERFCOUNTER_QUERY ioctl command. The bug results from an incorrect conversion to a signed type when calculating the minimum count value for the query option. This results in a negative integer being used to calculate the size of a buffer, which can result in an integer overflow and a small sized allocation on 32-bit systems.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Adreno GPU driver for the MSM Linux kernel contains a heap overflow in the IOCTL_KGSL_PERFCOUNTER_QUERY ioctl command. The bug results from an incorrect conversion to a signed type when&#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-22406","post","type-post","status-publish","format-standard","hentry","category-exploit"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p4bBYZ-5Po","_links":{"self":[{"href":"https:\/\/deepquest.code511.com\/blog\/wp-json\/wp\/v2\/posts\/22406","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=22406"}],"version-history":[{"count":0,"href":"https:\/\/deepquest.code511.com\/blog\/wp-json\/wp\/v2\/posts\/22406\/revisions"}],"wp:attachment":[{"href":"https:\/\/deepquest.code511.com\/blog\/wp-json\/wp\/v2\/media?parent=22406"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/deepquest.code511.com\/blog\/wp-json\/wp\/v2\/categories?post=22406"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/deepquest.code511.com\/blog\/wp-json\/wp\/v2\/tags?post=22406"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}