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.
Velocity
How fast coverage is spreading — measured hourly from article rate × source diversity. How this works →
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 130d 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 · 133d ago
- Fragnesia Korben · 133d ago
- Bad Epoll: Kernel Race Bug Beats AI Auditing, Hits 99% Root Exploit Rate Tech Times · 133d ago
- DirtyClone (CVE-2026-43503): Critical Linux Kernel Vulnerability Enables Local Privilege Escalation to Root on Major Distributions Rescana · 133d ago
- Critical Linux pedit COW Bug Gives Hackers Instant Root Access SQ Magazine · 133d ago
- Canonical Confirms Ubuntu Fixes for DirtyClone Linux Kernel Flaw Linuxiac · 133d ago
- ‘DirtyClone’ Linux Kernel Vulnerability Leads to Root Access SecurityWeek · 133d ago
- New "Bad Epoll" Linux Kernel Flaw Lets Unprivileged Users Gain Root, Hits Android The Hacker News · 133d ago
Topics
Related trends
Google’s November update is breaking Pixel cameras, but there’s an easy fix
Google's November update is causing widespread camera and charging issues for Pixel device owners.
OpenAI launches security products, tells orgs they’re doomed if they don’t use them
OpenAI launches new security products while warning organizations that they face failure without adoption.
FBI says US has seized $1.2 billion worth of cryptocurrency stolen from Binance
Federal authorities seize over $1.2 billion in cryptocurrency following a massive $6.3 billion hack linked to North Korea.
Maersk confirms data breach as WhiteArmor ransomware demands $5 million
Maersk confirms data breach as WhiteArmor ransomware gang demands $5 million ransom, marking latest cyber hit on global shipping.
Lego marketplace BrickLink offline after 'unusual activity' detected
Lego's BrickLink marketplace remains offline for a fifth day after the company detected unusual activity, disrupting sellers and delaying a major designer program announcement.
If hackers can take over a supermarket fridge, what else is at risk?
French supermarket refrigerators and freezers were hacked, prompting US and European officials to warn that connected appliances are a new front in state-linked cyberattacks.