{"id":29351,"date":"2026-09-26T00:32:28","date_gmt":"2026-09-25T16:32:28","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-93834"},"modified":"2026-09-26T00:32:28","modified_gmt":"2026-09-25T16:32:28","slug":"cve-2026-93834","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-93834","title":{"rendered":"CVE-2026-93834 [HIGH] &#8211; A use-after-free vulnerability was found in QEMU&#8217;s 9pfs subsystem. A race condition betwee"},"content":{"rendered":"<p>A use-after-free vulnerability was found in QEMU&#8217;s 9pfs subsystem. A race condition between the main thread and a worker thread when processing concurrent Tlcreate and Twalk requests allows a malicious guest user to craft a fid path containing stale heap data, bypassing directory traversal restrictions and escaping the shared directory boundary. This can lead to arbitrary host file read\/write and code execution (VM escape) as the QEMU process user.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A use-after-free vulnerability was found in QEMU&#8217;s 9pfs subsystem. A race condition between the main thread and a worker thread when processing concurrent Tlcreate and Twalk requests allows a maliciou<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-29351","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/29351","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=29351"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=29351"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=29351"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}