Kerentanan eskalasi hak istimewa lokal pada Linux yang dikenal sebagai Fragnesia telah diungkap ke publik. Celah ini dideskripsikan serupa dengan Dirty Frag dan melibatkan bug logika ESP/XFRM.
Kerentanan ini memungkinkan penulisan byte arbitrer ke dalam kernel page cache dari file yang bersifat read-only. Kemampuan ini dapat memungkinkan penyerang lokal untuk mendapatkan hak istimewa yang lebih tinggi pada sistem yang terdampak.
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A critical Linux vulnerability known as CopyFail, tracked as CVE-2026-31431, allows attackers to gain root access on systems running kernels since 2017. Publicly released exploit code has heightened risks for data centers and personal devices. Ubuntu's infrastructure has been offline for over a day due to a DDoS attack, hampering security communications.
A security researcher has disclosed Dirty Frag, a new Linux kernel exploit that allows local users to gain root privileges. The flaw affects major distributions and remains unpatched on most systems despite earlier fixes for a similar issue.
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NVIDIA engineer Sasha Levin has proposed a new mechanism for the Linux kernel that would let administrators quickly disable flawed functions on live systems. The patch, called killswitch, aims to mitigate privilege escalation risks without waiting for full fixes. It remains under review on the Linux Kernel Mailing List.
A new variant of the SysUpdate malware has been discovered targeting Linux systems, featuring advanced encryption for command-and-control communications. Security researchers at LevelBlue identified the threat during a digital forensics engagement and developed a tool to decrypt its traffic. The malware disguises itself as a legitimate system service to evade detection.