{"id":68279,"date":"2025-08-16T20:32:39","date_gmt":"2025-08-16T17:02:39","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2023-32246-linux-kernel-ksmbd-rcu-callback-racy-unload-vulnerability\/"},"modified":"2025-08-16T20:32:39","modified_gmt":"2025-08-16T17:02:39","slug":"cve-2023-32246-linux-kernel-ksmbd-rcu-callback-racy-unload-vulnerability","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2023-32246-linux-kernel-ksmbd-rcu-callback-racy-unload-vulnerability\/","title":{"rendered":"CVE-2023-32246 &#8211; Linux Kernel &#8211; Ksmbd RCU Callback Racy Unload Vulnerability"},"content":{"rendered":"<p><strong>CVE ID : <\/strong>CVE-2023-32246<br \/>\n<br \/>\n<strong>Published : <\/strong> Aug. 16, 2025, 2:15 p.m. | 1\u00a0hour, 46\u00a0minutes ago<br \/>\n<br \/>\n<strong>Description : <\/strong>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>ksmbd: call rcu_barrier() in ksmbd_server_exit()<\/p>\n<p>racy issue is triggered the bug by racing between closing a connection<br \/>\nand rmmod. In ksmbd, rcu_barrier() is not called at module unload time,<br \/>\nso nothing prevents ksmbd from getting unloaded while it still has RCU<br \/>\ncallbacks pending. It leads to trigger unintended execution of kernel<br \/>\ncode locally and use to defeat protections such as Kernel Lockdown<br \/>\n<br \/>\n<strong>Severity:<\/strong> 0.0 | NA<br \/>\n<br \/>\nVisit the link for more details, such as CVSS details, affected products, timeline, and more&#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CVE ID : CVE-2023-32246 Published : Aug. 16, 2025, 2:15 p.m. | 1\u00a0hour, 46\u00a0minutes ago Description : In the Linux kernel, the following vulnerability has been resolved: ksmbd: call rcu_barrier() in ksmbd_server_exit() racy issue is triggered the bug by racing between closing a connection and rmmod. In ksmbd, rcu_barrier() is not called at module unload &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-68279","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/68279","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/comments?post=68279"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/68279\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=68279"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=68279"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=68279"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}