{"id":68649,"date":"2025-08-22T20:32:30","date_gmt":"2025-08-22T17:02:30","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2025-38618-vsock-vmaddr_port_any-binding-vulnerability\/"},"modified":"2025-08-22T20:32:30","modified_gmt":"2025-08-22T17:02:30","slug":"cve-2025-38618-vsock-vmaddr_port_any-binding-vulnerability","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2025-38618-vsock-vmaddr_port_any-binding-vulnerability\/","title":{"rendered":"CVE-2025-38618 &#8211; &#8220;vsock: VMADDR_PORT_ANY Binding Vulnerability&#8221;"},"content":{"rendered":"<p><strong>CVE ID : <\/strong>CVE-2025-38618<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>vsock: Do not allow binding to VMADDR_PORT_ANY<\/p>\n<p>It is possible for a vsock to autobind to VMADDR_PORT_ANY. This can<br \/>\ncause a use-after-free when a connection is made to the bound socket.<br \/>\nThe socket returned by accept() also has port VMADDR_PORT_ANY but is not<br \/>\non the list of unbound sockets. Binding it will result in an extra<br \/>\nrefcount decrement similar to the one fixed in fcdd2242c023 (vsock: Keep<br \/>\nthe binding until socket destruction).<\/p>\n<p>Modify the check in __vsock_bind_connectible() to also prevent binding<br \/>\nto VMADDR_PORT_ANY.<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-2025-38618 Published : Aug. 22, 2025, 2:15 p.m. | 2\u00a0hours, 11\u00a0minutes ago Description : In the Linux kernel, the following vulnerability has been resolved: vsock: Do not allow binding to VMADDR_PORT_ANY It is possible for a vsock to autobind to VMADDR_PORT_ANY. This can cause a use-after-free when a connection is made to &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-68649","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/68649","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=68649"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/68649\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=68649"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=68649"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=68649"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}