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A novel rootkit hooking method dubbed FlipSwitch has emerged, circumventing the latest Linux 6.9 kernel dispatch safeguards and reigniting concerns over kernel-level compromise. By manipulating the machine code of the new syscall dispatcher rather than…
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Linux Torvalds has announced the release of Linux Kernel 6.17, a new version focused on stability and incremental improvements rather than groundbreaking features. The update brings a host of bug fixes, security enhancements, and driver updates across various subsystems. In his release message, Torvalds described the final week of development as having “no huge surprises,” […] The post Linux 6.17 Released With Fix for use-after-free Vulnerabilities appeared first on Cyber Security News.
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The Cybersecurity and Infrastructure Security Agency (CISA) has released an urgent alert for system administrators and IT teams worldwide. Researchers have confirmed that attackers are actively exploiting a serious vulnerability in the sudo utility use…
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A team of security researchers has released an in-depth technical report on CVE-2025-32463, a critical local privilege escalation flaw in the widely used Linux sudo utility. The vulnerability, which affects sudo versions 1.9.14 through 1.9.17, allows a…
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Cybersecurity researchers at Trend Micro have discovered a new and dangerous variant of LockBit ransomware that targets Windows, Linux, and VMware ESXi systems, utilizing advanced obfuscation techniques and sophisticated cross-platform capabilities. Ad…
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BlackLock, a rebranded ransomware group formerly known as El Dorado, has emerged as a formidable threat to organizations worldwide. First identified in June 2024 when its Dedicated Leak Site (DLS) began exposing victim data, the gang is believed to hav…
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Two critical vulnerabilities have been discovered in the Linux Common Unix Printing System (CUPS), exposing millions of systems to remote denial-of-service attacks and authentication bypass exploits. The vulnerabilities, tracked as CVE-2025-58364 and CVE-2025-58060, affect the core printing infrastructure used across virtually all Linux distributions and pose significant risks to network security. Key Takeaways1. Two Critical […] The post Linux CUPS Vulnerability Let Attackers Remote DoS and Bypass Authentication appeared first on Cyber Security News.
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Oracle has released VirtualBox 7.2.2, a critical maintenance update that addresses multiple GUI crashes and stability issues affecting users across Windows, Linux, and macOS platforms. Released on September 10, 2025, this update represents a significan…
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During a recent threat hunting exercise, the Sysdig Threat Research Team (TRT) identified a new sample dubbed ZynorRAT. This Go-based Remote Access Trojan (RAT) delivers a comprehensive suite of custom command-and-control (C2) capabilities for both Lin…
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A new technique to exploit a complex use-after-free (UAF) vulnerability in the Linux kernel successfully bypasses modern security mitigations to gain root privileges. The method targets CVE-2024-50264, a difficult-to-exploit race condition bug in the AF_VSOCK subsystem that was recognized with a Pwnie Award for its complexity. The vulnerability, introduced in Linux v4.8, presents significant challenges for exploitation. […] The post New Technique Uncovered To Exploit Linux Kernel Use-After-Free Vulnerability appeared first on Cyber Security News.
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