‘Dirty Frag’ Linux flaw one-ups CopyFail with no patches and public root exploit


Broken disclosure embargo left admins facing a fresh root-level flaw with no CVE

A fresh Linux privilege escalation bug dubbed “Dirty Frag” has dropped into the wild with no patches, no CVE, and a public exploit that hands attackers root access across major distributions.Security researcher Hyunwoo Kim disclosed the local privilege escalation flaw on Friday after what he said was a broken embargo forced the issue into the open.

Kim described Dirty Frag as a “universal LPE” affecting “all major distributions” and warned that it delivers the same kind of immediate root access as the recent CopyFail mess – only this time, defenders do not even have patches to throw at the problem.

Read more…
Source:  The Register News


Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox


Related:

  • RenEngine: When “free” comes at too high a price

    February 11, 2026

    Kaspersky researchers often describe cases of malware distribution under the guise of game cheats and pirated software. Sometimes such methods are used to spread complex malware that employs advanced techniques and sophisticated infection chains. In February 2026, researchers from Howler Cell announced the discovery of a mass campaign distributing pirated games infected with a previously unknown ...

  • Patch Tuesday – February 2026

    February 11, 2026

    Microsoft is publishing 55 vulnerabilities this February 2026 Patch Tuesday. Microsoft is aware of exploitation in the wild for six of today’s vulnerabilities, and notes public disclosure for three of those. Earlier in the month, All three of the publicly disclosed zero-day vulnerabilities published today are security feature bypasses, and Microsoft acknowledges the same cast of ...

  • Spam and phishing in 2025

    February 11, 2026

    In 2025, online streaming services remained a primary theme for phishing sites within the entertainment sector, typically by offering early access to major premieres ahead of their official release dates. Alongside these, there was a notable increase in phishing pages mimicking ticket aggregation platforms for live events. Cybercriminals lured users with offers of free tickets to ...

  • Beyond the Battlefield: Threats to the Defense Industrial Base

    February 10, 2026

    In modern warfare, the front lines are no longer confined to the battlefield; they extend directly into the servers and supply chains of the industry that safeguards the nation. Today, the defense sector faces a relentless barrage of cyber operations conducted by state-sponsored actors and criminal groups alike. In recent years, Google Threat Intelligence Group (GTIG) ...

  • A Peek Into Muddled Libra’s Operational Playbook

    February 10, 2026

    During a September 2025 incident response investigation, Unit 42 discovered a rogue virtual machine (VM) which they believe with high confidence to be used by the cybercrime group Muddled Libra (aka Scattered Spider, UNC3944). The contents of this rogue VM and activity from the attack provide valuable insight into the operational playbook of this threat actor. ...

  • SolarWinds Web Help Desk Exploitation – February 2026

    February 10, 2026

    Multiple intrusions have been publicly reported starting on February 6, 2026 stemming from Internet-connected servers utilizing SolarWinds Web Help Desk software. This exploitation activity reportedly first occurred in December 2025. Given the number of recent CVEs affecting this product, it’s not yet clear which of several CVEs is directly responsible for these campaigns. Below are ...