{"id":20989,"date":"2026-09-11T20:30:53","date_gmt":"2026-09-11T12:30:53","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-77159"},"modified":"2026-09-11T20:30:53","modified_gmt":"2026-09-11T12:30:53","slug":"cve-2026-77159","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-77159","title":{"rendered":"CVE-2026-77159 [MEDIUM] &#8211; A symlink-following flaw was found in libvirt&#8217;s qemuTPMEmulatorPrepareHost() function. The"},"content":{"rendered":"<p>A symlink-following flaw was found in libvirt&#8217;s qemuTPMEmulatorPrepareHost() function. The function uses a path-based chown() on the swtpm logfile without checking for symbolic links. A local attacker with access to the swtpm account can replace the logfile with a symlink, causing libvirtd (running as root) to transfer ownership of an arbitrary file to the swtpm user.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A symlink-following flaw was found in libvirt&#8217;s qemuTPMEmulatorPrepareHost() function. The function uses a path-based chown() on the swtpm logfile without checking for symbolic links. A local attacker<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-20989","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/20989","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=20989"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=20989"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=20989"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}