NewsThe Hacker News21.05.2026

9-Year-Old Linux Kernel Flaw Enables Root Command Execution on Major Distros

Cybersecurity researchers have disclosed details of a vulnerability in the Linux kernel that remained undetected for nine years. The vulnerability, tracked as CVE-2026-46333 (CVSS score: 5.5), is a case of improper privilege management that could permit an unprivileged local user to disclose sensitive files and execute arbitrary commands as root on default installations of several major

Affected vendors and products

Debian Debian Linux
Debian Linux
Debian Linux-6.1
Dell Secure Connect Gateway
F5 F5os
IBM Datapower Gateway
IBM Power Hardware Management Console
IBM Qradar Siem
Linux Linux
Linux Linux Kernel
Open Source Linux Kernel
Siemens Simatic S7

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Source: https://thehackernews.com/2026/05/9-year-old-linux-kernel-flaw-enables.html

Affected vendors and products

More on 9-Year-Old

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