{"id":15470,"date":"2026-09-04T19:04:17","date_gmt":"2026-09-04T11:04:17","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-46259"},"modified":"2026-09-04T19:04:17","modified_gmt":"2026-09-04T11:04:17","slug":"cve-2026-46259","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-46259","title":{"rendered":"CVE-2026-46259 [HIGH] &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nprocfs: fix missing R"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>procfs: fix missing RCU protection when reading real_parent in do_task_stat()<\/p>\n<p>When reading \/proc\/[pid]\/stat, do_task_stat() accesses task-&gt;real_parent<br \/>\nwithout proper RCU protection, which leads to:<\/p>\n<p>  cpu 0                               cpu 1<br \/>\n  &#8212;&#8211;                               &#8212;&#8211;<br \/>\n  do_task_stat<br \/>\n    var = task-&gt;real_parent<br \/>\n                                      release_task<br \/>\n                                        call_rcu(delayed_put_task_struct)<br \/>\n    task_tgid_nr_ns(var)<br \/>\n      rcu_read_lock   real_parent!<br \/>\n      task_pid_ptr    real_parent.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>procfs: fix missing RCU protection when reading real_parent in do_task_stat()<\/p>\n<p>When reading \/proc\/[pid]\/stat, do_task_stat() access<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-15470","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/15470","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=15470"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=15470"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=15470"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}