Understanding the nftables Catchall Use-After-Free Vulnerability
security•Jun 17, 2026

Understanding the nftables Catchall Use-After-Free Vulnerability

The nftables catchall use-after-free vulnerability, identified as CVE-2026-23111, is a critical security issue in the Linux kernel. This vulnerability allows an attacker to exploit the nftables catchall feature, leading to a use-after-free error.

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Key summary

This article discusses the nftables catchall use-after-free vulnerability, a critical security issue in the Linux kernel. The vulnerability allows an attacker to exploit the nftables catchall feature, leading to a use-after-free error.

TL;DR

  • nftables catchall feature exploited
  • use-after-free error occurs
  • CVE-2026-23111 vulnerability identified
  • Linux kernel security issue
  • network exploitation possible
  • vulnerability affects Linux kernel
  • nftables vulnerability explained
  • security researchers discuss exploit

This content is automatically summarized using AI. For full context, always refer to the original article.

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