{"id":14852,"date":"2026-09-04T19:02:15","date_gmt":"2026-09-04T11:02:15","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-53381"},"modified":"2026-09-04T19:02:15","modified_gmt":"2026-09-04T11:02:15","slug":"cve-2026-53381","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-53381","title":{"rendered":"CVE-2026-53381 [HIGH] &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nvirtiofs: fix UAF on"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>virtiofs: fix UAF on submount umount<\/p>\n<p>iput() called from fuse_release_end() can Oops if the super block has<br \/>\nalready been destroyed.  Normally this is prevented by waiting for<br \/>\nnum_waiting to go down to zero before commencing with super block shutdown.<\/p>\n<p>This only works, however, for the last submount instance, as the wait<br \/>\ncounter is per connection, not per superblock.<\/p>\n<p>Revert to using synchronous release requests for the auto_submounts case,<br \/>\nwhich is virtiofs only at this time.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>virtiofs: fix UAF on submount umount<\/p>\n<p>iput() called from fuse_release_end() can Oops if the super block has<br \/>\nalready been destroyed.<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-14852","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/14852","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=14852"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=14852"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=14852"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}