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CVE-2026-72051 net: ip6_tunnel: require CAP_NET_ADMIN in the device netns for changelink

🗓️ 15 Aug 2026 05:52:08Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 15 Views

Linux kernel ip6_tunnel changelink allows unprivileged netns to rewrite cross-netns tunnel without CAP_NET_ADMIN check.

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18 Aug 2026 03:56Current
5.5Medium risk
Vulners AI Score5.5
CVSS 3.18.8
15