‘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:

  • Confucius Espionage: From Stealer to Backdoor

    October 2, 2025

    The Confucius group is a long-running cyber-espionage actor operating primarily across South Asia. First identified in 2013, the group is believed to have links to state-sponsored operations in the region. Over the past decade, Confucius has repeatedly targeted government agencies, military organizations, defense contractors, and critical industries—especially in Pakistan—using spear-phishing and malicious documents as initial access ...

  • US Air Force admits SharePoint privacy issue as reports trickle out of possible breach

    October 1, 2025

    The US Air Force is reportedly investigating a potential data breach caused by a Microsoft SharePoint issue. A report from The Register revealed the Air Force Personnel Center Directorate of Technology and Information issued a data breach notification shared on social media. “This message is to inform you of a critical Personally Identifiable Information (PII) and ...

  • This new phishing kit turns PDF files into malware

    October 1, 2025

    A new PDF phishing kit is being sold on the dark web, promising customers advanced features, a simple interface, and competitive pricing, experts have warned. Security researchers from Varonis spotted MatrixPDF, an advanced solution being advertised as a legitimate tool, despite being circulated around the dark web. Its full name is MatrixPDF: Document Builder – Advanced ...

  • UK Government Wants to Keep $7 Billion in Stolen Bitcoin It Has Seized

    October 1, 2025

    The U.K. Government is seeking to keep most of the $7 billion in Bitcoin it seized in connection with a Chinese investment fraud, following the conviction of the fraud’s alleged organizer this week. Zhimin Qian pleaded guilty on counts of possessing and transferring criminal property at Southwark Crown Court on Monday, following last year’s conviction of ...

  • TOTOLINK X6000R: Three New Vulnerabilities Uncovered

    October 1, 2025

    Palo Alto security researchers have uncovered three vulnerabilities in the firmware of the TOTOLINK X6000R router, version V9.4.0cu.1360_B20241207, released on March 28, 2025: TOTOLINK is a manufacturer of networking products, including routers and other Internet of Things (IoT) devices used by consumers worldwide. The widespread adoption of these products makes their security a critical area of ...

  • HSBC warns UK business banking customers of third-party data breach

    September 30, 2025

    HSBC has warned business banking customers that personal identification documents submitted during account applications may have been compromised following unauthorised access to a third-party platform. In an email sent to customers earlier this month, the bank confirmed that identity documents, images and contact details provided when opening a business account were exposed in the breach. HSBC ...