{"id":10490,"date":"2026-09-04T18:51:04","date_gmt":"2026-09-04T10:51:04","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-49428"},"modified":"2026-09-04T18:51:04","modified_gmt":"2026-09-04T10:51:04","slug":"cve-2026-49428","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-49428","title":{"rendered":"CVE-2026-49428 [HIGH] &#8211; Certain system calls, such open(2) with the O_TRUNC flag set, and fspacectl(2), could inco"},"content":{"rendered":"<p>Certain system calls, such open(2) with the O_TRUNC flag set, and fspacectl(2), could incorrectly free memory in largepage objects.  These operations are not permitted on largepage objects, but the implementation did not verify this.<\/p>\n<p>An unprivileged local user can abuse the bug to access freed kernel memory.  This can be exploited to escalate privileges.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Certain system calls, such open(2) with the O_TRUNC flag set, and fspacectl(2), could incorrectly free memory in largepage objects.  These operations are not permitted on largepage objects, but the im<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-10490","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/10490","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=10490"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10490"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10490"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}