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A new proof-of-concept (PoC) has been released for a serious vulnerability tracked as CVE-2025-8941, affecting the Pluggable Authentication Modules (PAM) used across Linux distributions. The flaw, rated 7.8 (High) on the CVSS scale, allows local attack…
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Security researchers from Synacktiv CSIRT have uncovered a sophisticated Linux rootkit dubbed LinkPro that leverages eBPF (extended Berkeley Packet Filter) technology to establish persistent backdoor access while remaining virtually invisible to tradit…
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Linus Torvalds has announced the release of Linux 6.18-rc1, marking the start of the release candidate phase for the upcoming kernel version. In his typical straightforward style, Torvalds noted that the merge window concluded smoothly after two weeks, with the new candidate tagged and pushed out to developers and testers worldwide. This iteration appears unremarkable […] The post Linux Kernel 6.18-rc1 Released With Extensive Updates Following a Steady Merge Window appeared first on Cyber Security News.
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Security researchers have released a full proof-of-concept (PoC) exploit for a high-severity vulnerability in the Linux kernel’s ksmbd module, demonstrating a reliable path to local privilege escalation. The vulnerability, tracked as CVE-2025-37947, is an out-of-bounds write that can be leveraged by an authenticated local attacker to gain complete root control over a vulnerable system. This […] The post Linux Kernel ksmbd Filesystem Vulnerability Exploited – PoC Released appeared first on Cyber Security News.
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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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