‘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:

  • Threat Actor Delivers Highly Targeted Multistage Polyglot Malware

    March 4, 2025

    In fall 2024, UNK_CraftyCamel leveraged a compromised Indian electronics company to target fewer than five organizations in the United Arab Emirates with a malicious ZIP file that leveraged multiple polyglot files to eventually install a custom Go backdoor dubbed Sosano. Proofpoint uses the UNK_ designator to define clusters of activity that are still developing and have ...

  • Polish space agency says it’s investigating a cyberattack

    March 4, 2025

    Poland’s space agency (POLSA) says it is working to restore services following a cybersecurity incident. POLSA, the Polish government agency responsible for the country’s space activities, said in a post on X that it had “immediately disconnected” its network from the internet after detecting the cyberattack on Sunday. POLSA’s website remains offline at the time of ...

  • Black Basta and Cactus Ransomware Groups Add BackConnect Malware to Their Arsenal

    March 3, 2025

    The Trend Micro Managed XDR and Incident Response (IR) teams recently analyzed incidents where threat actors deploying Black Basta and Cactus ransomware used the same BackConnect malware to strengthen their foothold on compromised machines. The BackConnect malware is a tool that cybercriminals use to establish and maintain persistent control over compromised systems. Once infiltrated, it grants ...

  • Havoc: SharePoint with Microsoft Graph API turns into FUD C2

    March 3, 2025

    Havoc is a powerful command-and-control (C2) framework. Like other well-known C2 frameworks, such as Cobalt Strike, Silver, and Winos4.0, Havoc has been used in threat campaigns to gain full control over the target. Additionally, It is open-source and available on GitHub, making it easier for threat actors to modify it to evade detection. FortiGuard Labs recently ...

  • Uncovering .NET Malware Obfuscated by Encryption and Virtualization

    March 3, 2025

    This article examines obfuscation techniques used in popular malware families, and offers some insights into possible opportunities for automating unpacking of these malware samples. Palo Alto researchers will examine these behaviors in samples we have observed, showing how to extract their configuration parameters through unpacking each stage. Performing this same process through automation would allow a ...

  • Mobile malware evolution in 2024

    March 3, 2025

    These statistics are based on detection alerts from Kaspersky products, collected from users who consented to provide statistical data to Kaspersky Security Network. The statistics for previous years may differ from earlier publications due to a data and methodology revision implemented in 2024. According to Kaspersky Security Network, in 2024: A total of 33.3 million attacks involving ...