Skip to content
NewA calmer, faster ZeroHour
Advisorymedium

ZDI-26-686: Linux Kernel nftables Race Condition Local Privilege Escalation Vulnerability

ZDI Published Advisories ()1
AI summary · glm-5.3Summaries by Vani AI

ZDI discloses CVE-2026-74565, a CVSS 7.8 nftables race condition letting local low-privileged attackers escalate privileges on Linux.

ZDI-26-686 describes a race condition in the Linux Kernel nftables subsystem that allows local attackers to escalate privileges. Exploitation requires the ability to execute low-privileged code on the target system. ZDI assigned a CVSS rating of 7.8 and CVE-2026-74565.

Key facts
  • Race condition in Linux Kernel nftables enables local privilege escalation
  • Requires low-privileged code execution as precondition
  • CVSS 7.8, tracked as CVE-2026-74565
Analyze CVE-2026-74565 with Vani AIImpact, affected versions, exploitation, mitigations and detection

Vulnerabilities mentioned

All
CVEVulnerabilityCVSSEPSSSignalsPublished
CVE-2026-74565
Linux kernel: netfilter: nf_tables: make nft_object rhltable per table
7.8<1%

From the original article

This vulnerability allows local attackers to escalate privileges on affected installations of Linux Kernel. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.

ZDI Published Advisories

zerodayinitiative.com

Read the full article at ZDI Published Advisories

A short excerpt; the article and its images belong to the publisher. Summary, key facts and assessment above are AI-written from the article and can be wrong.