CVE-2026-3038 Local DoS and possible privilege escalation via routing sockets

The rtsockmsgbuffer function serializes routing information into a buffer. As a part of this, it copies sockaddr structures into a sockaddrstorage structure on the stack. It assumes that the source sockaddr length field had already been validated, but this is not necessarily the case, and it's...

CVE-2026-3038 Local DoS and possible privilege escalation via routing sockets

The rtsockmsgbuffer function serializes routing information into a buffer. As a part of this, it copies sockaddr structures into a sockaddrstorage structure on the stack. It assumes that the source sockaddr length field had already been validated, but this is not necessarily the case, and it's...

CVE-2026-3038

The CVE-2026-3038 issue is a FreeBSD routing socket bug in rtsock_msg_buffer() that can overflow a stack buffer on the stack, overwriting the canary and causing a kernel panic. It arises when a source sockaddr length is not validated, allowing unprivileged users to trigger a 127-byte overflow and...

FreeBSD : FreeBSD -- Local DoS and possible privilege escalation via routing sockets (fbc47390-11e9-11f1-8148-bc241121aa0a)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the fbc47390-11e9-11f1-8148-bc241121aa0a advisory. The rtsockmsgbuffer function serializes routing information into a buffer. As a part of this, it copies...

FreeBSD-SA-26:05.route

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================= FreeBSD-SA-26:05.route Security Advisory The FreeBSD Project Topic: Local DoS and possible privilege escalation via routing sockets Category: core Module: route Announced:...

FreeBSD -- Local DoS and possible privilege escalation via routing sockets

Problem Description: The rtsockmsgbuffer function serializes routing information into a buffer. As a part of this, it copies sockaddr structures into a sockaddrstorage structure on the stack. It assumes that the source sockaddr length field had already been validated, but this is not necessarily...