{"id":14926,"date":"2026-09-04T19:02:18","date_gmt":"2026-09-04T11:02:18","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-63863"},"modified":"2026-09-04T19:02:18","modified_gmt":"2026-09-04T11:02:18","slug":"cve-2026-63863","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-63863","title":{"rendered":"CVE-2026-63863 [HIGH] &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\ndrm\/gpusvm: Fix unbal"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>drm\/gpusvm: Fix unbalanced unlock in drm_gpusvm_scan_mm()<\/p>\n<p>There is a unbalanced lock\/unlock to gpusvm notifier lock:<br \/>\n[  931.045868] =====================================<br \/>\n[  931.046509] WARNING: bad unlock balance detected!<br \/>\n[  931.047149] 6.19.0-rc6+xe-**************** #9 Tainted: G     U<br \/>\n[  931.048150] &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;-<br \/>\n[  931.048790] kworker\/u5:0\/51 is trying to release lock (&amp;gpusvm-&gt;notifier_lock) at:<br \/>\n[  931.049801] [] drm_gpusvm_scan_mm+0x188\/0x460 [drm_gpusvm_helper]<br \/>\n[  931.050802] but there are no more locks to release!<br \/>\n[  931.051463]<\/p>\n<p>The drm_gpusvm_notifier_unlock() sits under err_free label and the<br \/>\nfirst jump to err_free is just before calling the<br \/>\ndrm_gpusvm_notifier_lock() causing unbalanced unlock.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>drm\/gpusvm: Fix unbalanced unlock in drm_gpusvm_scan_mm()<\/p>\n<p>There is a unbalanced lock\/unlock to gpusvm notifier lock:<br \/>\n[  931.045868<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-14926","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/14926","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=14926"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=14926"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=14926"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}