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    CVE-2026-63829 Fixes Linux GRE Namespace Authorization Bypass

    CVE-2026-63829 closes a Linux kernel authorization flaw that can let a process holding CAP_NET_ADMIN in one network namespace alter an IP GRE or ERSPAN tunnel associated with a different namespace. For Windows administrators, the immediate exposure is concentrated in WSL 2, Linux container...
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    • cve 2026 63829 linux kernel network namespaces wsl2 security
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    • Forum: Security Alerts