New "Bad Epoll" Linux Kernel Flaw Lets Unprivileged Users Gain Root, Hits Android
A critical Linux kernel vulnerability dubbed 'DirtyClone' allows unprivileged users to gain root access across major distributions and Android devices.
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The brief
A new Linux kernel flaw, identified as DirtyClone (CVE-2026-43503) and also referred to as 'Bad Epoll,' enables local privilege escalation. This vulnerability allows unprivileged users to obtain instant root access, affecting major distributions as well as Android systems.
Coverage from Rescana, SecurityWeek, and The Hacker News emphasizes the critical nature of the flaw. Reports from SQ Magazine describe the issue as a 'pedit COW Bug,' while Linuxiac notes that Canonical has confirmed fixes for Ubuntu users.
Future developments involve the deployment of fixes across the affected distributions and Android devices to mitigate the risk of unauthorized root access.
Synthesized by Newsylist from the headlines below under a strict no-invention contract. ✓ fact-checked: all claims supported by sources Updated 1d ago.
Quick answers
What is the official CVE identifier for this flaw?
The vulnerability is identified as CVE-2026-43503.
Which operating systems are affected?
The flaw impacts major Linux distributions and Android.
Has a fix been released for Ubuntu?
Yes, Canonical has confirmed fixes for Ubuntu.
Coverage (8)
- New "Bad Epoll" 0-Day Vulnerability Allows Root Access on Linux Servers and Android Devices CyberSecurityNews · 1d ago
- Fragnesia Korben · 1d ago
- Bad Epoll: Kernel Race Bug Beats AI Auditing, Hits 99% Root Exploit Rate Tech Times · 1d ago
- Critical Linux pedit COW Bug Gives Hackers Instant Root Access SQ Magazine · 1d ago
- Canonical Confirms Ubuntu Fixes for DirtyClone Linux Kernel Flaw Linuxiac · 1d ago
- DirtyClone (CVE-2026-43503): Critical Linux Kernel Vulnerability Enables Local Privilege Escalation to Root on Major Distributions Rescana · 1d ago
- ‘DirtyClone’ Linux Kernel Vulnerability Leads to Root Access SecurityWeek · 1d ago
- New "Bad Epoll" Linux Kernel Flaw Lets Unprivileged Users Gain Root, Hits Android The Hacker News · 1d ago broke it first
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