New "Bad Epoll" Linux Kernel Flaw Lets Unprivileged Users Gain Root, Hits Android
A critical Linux kernel vulnerability, identified as DirtyClone or Bad Epoll, is enabling unauthorized root-level access across servers and Android devices.
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The brief
A new kernel race condition, tracked as CVE-2026-43503 and referred to as DirtyClone, Bad Epoll, or Fragnesia, allows unprivileged users to gain root access. The vulnerability affects both Linux distributions and Android devices.
Coverage from CyberSecurityNews, Tech Times, Rescana, SQ Magazine, Linuxiac, SecurityWeek, and The Hacker News highlights the severity of the flaw, noting that it bypassed AI auditing tools. Canonical has reportedly confirmed that fixes for Ubuntu are currently available.
Future developments will focus on the deployment of patches across other affected Linux distributions and Android ecosystem stakeholders. Coverage does not yet specify the full list of impacted software versions.
Synthesized by PULSE from the headlines below under a strict no-invention contract. ✓ fact-checked: all claims supported by sources Updated 42d ago.
Quick answers
What is DirtyClone?
DirtyClone is a critical vulnerability identified as CVE-2026-43503 that allows local privilege escalation to root on Linux-based systems.
Which devices are affected?
The flaw impacts Linux servers, major Linux distributions, and Android devices.
Are there fixes available?
Canonical has confirmed that fixes for Ubuntu are available, though coverage does not specify the status of other platforms.
Coverage (8)
- New "Bad Epoll" 0-Day Vulnerability Allows Root Access on Linux Servers and Android Devices CyberSecurityNews · 45d ago
- Fragnesia Korben · 45d ago
- Bad Epoll: Kernel Race Bug Beats AI Auditing, Hits 99% Root Exploit Rate Tech Times · 45d ago
- DirtyClone (CVE-2026-43503): Critical Linux Kernel Vulnerability Enables Local Privilege Escalation to Root on Major Distributions Rescana · 45d ago
- Critical Linux pedit COW Bug Gives Hackers Instant Root Access SQ Magazine · 45d ago
- Canonical Confirms Ubuntu Fixes for DirtyClone Linux Kernel Flaw Linuxiac · 45d ago
- ‘DirtyClone’ Linux Kernel Vulnerability Leads to Root Access SecurityWeek · 45d ago
- New "Bad Epoll" Linux Kernel Flaw Lets Unprivileged Users Gain Root, Hits Android The Hacker News · 45d ago
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