CVE-2025-39703 net, hsr: reject HSR frame if skb can't hold tag

🗓️ 05 Sep 2025 17:21:09Reported by GoogleType

osv

osv🔗 osv.dev👁 6 Views

Linux kernel networking: reject high availability frames when the socket buffer cannot hold the tag.

Source	Link
cert-portal	www.cert-portal.siemens.com/productcert/html/ssa-032379.html
git	www.git.kernel.org/stable/c/3ae272ab523dd6bdc26e879027ed79feac9dd1b3
git	www.git.kernel.org/stable/c/61009439e4bd8d74e705ee15940760321be91d8a
git	www.git.kernel.org/stable/c/7af76e9d18a9fd6f8611b3313c86c190f9b6a5a7
git	www.git.kernel.org/stable/c/8d9bc4a375a1ba05f7dfa0407de8e510ab9bd14d
git	www.git.kernel.org/stable/c/acd69b597bd3f76d3b3d322b84082226c00eeaa4
git	www.git.kernel.org/stable/c/b117c41b00902c1a7e24347c405cb82504aeae0b
git	www.git.kernel.org/stable/c/b640188b8a6690e685939053c7efdbc7818b5f4e
lists	www.lists.debian.org/debian-lts-announce/2025/10/msg00007.html
lists	www.lists.debian.org/debian-lts-announce/2025/10/msg00008.html

06 Aug 2026 03:30Current

5.7Medium risk

Vulners AI Score5.7

CVSS 3.19.8

high availability linux kernel networking crash socket buffer frame tag