{"id":17483,"date":"2026-09-05T02:31:10","date_gmt":"2026-09-04T18:31:10","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-80903"},"modified":"2026-09-05T02:31:10","modified_gmt":"2026-09-04T18:31:10","slug":"cve-2026-80903","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-80903","title":{"rendered":"CVE-2026-80903 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\ndrm\/xe\/oa: Fix sync e"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>drm\/xe\/oa: Fix sync entry leak on OA config emit failure<\/p>\n<p>xe_oa_emit_oa_config() releases the sync entries and the syncs array<br \/>\nonly on its success path. When it fails before the point of no return<br \/>\n(fence allocation, config buffer allocation or batch submission), it<br \/>\nreturns without touching stream-&gt;syncs.<\/p>\n<p>The stream open path handles such failures in the caller, but<br \/>\nxe_oa_config_locked() propagates the error without any cleanup, so the<br \/>\nsyncs array and the fence references held by the parsed entries are<br \/>\nleaked. The next config ioctl overwrites stream-&gt;syncs, making the<br \/>\nmemory unreachable for good.<\/p>\n<p>Clean up the parsed syncs when xe_oa_emit_oa_config() fails, matching<br \/>\nthe cleanup done by the stream open error path.<\/p>\n<p>(cherry picked from commit 8af97b3da2cfce04e6b457c6eb17ed3c1daf912b)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>drm\/xe\/oa: Fix sync entry leak on OA config emit failure<\/p>\n<p>xe_oa_emit_oa_config() releases the sync entries and the syncs array<br \/>\nonly<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-17483","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/17483","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=17483"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=17483"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=17483"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}