{"id":68650,"date":"2025-08-22T20:32:34","date_gmt":"2025-08-22T17:02:34","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2025-38617-linux-kernel-packet-netdev-up-event-race-condition\/"},"modified":"2025-08-22T20:32:34","modified_gmt":"2025-08-22T17:02:34","slug":"cve-2025-38617-linux-kernel-packet-netdev-up-event-race-condition","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2025-38617-linux-kernel-packet-netdev-up-event-race-condition\/","title":{"rendered":"CVE-2025-38617 &#8211; Linux Kernel Packet Netdev Up Event Race Condition"},"content":{"rendered":"<p><strong>CVE ID : <\/strong>CVE-2025-38617<br \/>\n<br \/>\n<strong>Published : <\/strong> Aug. 22, 2025, 2:15 p.m. | 2\u00a0hours, 11\u00a0minutes ago<br \/>\n<br \/>\n<strong>Description : <\/strong>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>net\/packet: fix a race in packet_set_ring() and packet_notifier()<\/p>\n<p>When packet_set_ring() releases po-&gt;bind_lock, another thread can<br \/>\nrun packet_notifier() and process an NETDEV_UP event.<\/p>\n<p>This race and the fix are both similar to that of commit 15fe076edea7<br \/>\n(&#8220;net\/packet: fix a race in packet_bind() and packet_notifier()&#8221;).<\/p>\n<p>There too the packet_notifier NETDEV_UP event managed to run while a<br \/>\npo-&gt;bind_lock critical section had to be temporarily released. And<br \/>\nthe fix was similarly to temporarily set po-&gt;num to zero to keep<br \/>\nthe socket unhooked until the lock is retaken.<\/p>\n<p>The po-&gt;bind_lock in packet_set_ring and packet_notifier precede the<br \/>\nintroduction of git history.<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-2025-38617 Published : Aug. 22, 2025, 2:15 p.m. | 2\u00a0hours, 11\u00a0minutes ago Description : In the Linux kernel, the following vulnerability has been resolved: net\/packet: fix a race in packet_set_ring() and packet_notifier() When packet_set_ring() releases po-&gt;bind_lock, another thread can run packet_notifier() and process an NETDEV_UP event. This race and the fix are &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-68650","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/68650","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=68650"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/68650\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=68650"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=68650"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=68650"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}