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highCVE-2026-640772026-07-21Vector: network

CVE-2026-64077: Netfilter ebtables Two-Stage Removal Vulnerability

A security vulnerability was discovered in the Linux kernel's netfilter ebtables component. An attacker could potentially exploit this flaw to cause a system crash or execute unauthorized code by manipulating how rules are removed from the network filtering system.

Decision Context

English Brief

A security vulnerability was discovered in the Linux kernel's netfilter ebtables component. An attacker could potentially exploit this flaw to cause a system crash or execute unauthorized code by manipulating how rules are removed from the network filtering system.

الموجز العربي

CVE-2026-64077: ثغرة في آلية الإزالة ثنائية المراحل لـ Netfilter ebtables

تم اكتشاف ثغرة أمنية في مكون netfilter ebtables الخاص بنواة لينكس. يمكن للمهاجم استغلال هذا الخلل للتسبب في تعطل النظام أو تنفيذ تعليمات برمجية غير مصرح بها عن طريق التلاعب بكيفية إزالة القواعد من نظام تصفية الشبكة.

Affected Products
    Priority sectors
    GovernmentTelecommunicationsCloud Service ProvidersEnterprise IT
    Immediate Actions
    1. 1Check current kernel version: uname -r
    2. 2Update system packages to the latest stable release: sudo apt update && sudo apt upgrade -y
    3. 3Check for specific kernel security patches: apt-cache policy linux-image-generic