Arch Linux disables AUR package adoption to stop malware flood
The Arch Linux project has temporarily disabled adoption of Arch User Repository (AUR) packages after a surge in malicious takeovers of existing packages. [.
Linux
20 articles
Ransomware Killers Overwrite Security Process Memory Without Terminating Applications
Ransomware operators are increasingly deploying “ransomware killers” that surgically overwrite the memory of security processes instead of simply terminating...
Recon-Only SSH Attack Leaves No Malware but Signals a Second-Stage Intrusion
Recon-only activity on SSH is not harmless background noise. A recent honeypot session shows an automated Go-based bot logging in as root, exhaustively gradi...
SilverFox Targets Japanese Manufacturer With Advanced ValleyRAT Campaign
SilverFox targeted a Japanese manufacturer with new DLL sideloading techniques, kernel drivers, and resilient ValleyRAT persistence mechanisms. Cato CTRL doc...
OctLurk and SilkLurk Backdoors Target Central Asian Governments in Cyberespionage Campaign
OctLurk and SilkLurk are highly customized, memory‑resident backdoors used in an ongoing cyberespionage campaign against government and critical‑sector netwo...
The modern path to unified Linux identity security: Securing hybrid infrastructure in a cloud-first world
In the cloud-based enterprise, Linux servers can't stay isolated on legacy authentication systems.
Cryptominer Abuses Linux PAM to Hide From SOC Analysts
Cryptomining crew abandoned root to impersonate low-privileged Linux users and evade SOC alerts
Linux XMRig Botnet Abuses PAM for Fileless Monero Mining and Persistent Access
A covert Monero (XMR) cryptomining campaign uncovered in May 2026 is abusing Linux Pluggable Authentication Modules (PAM) to evade detection, maintain filele...
New Tengu botnet uses hardware watchdog for advanced persistence
A new Mirai-derived botnet, dubbed Tengu, was identified with advanced persistence and self-defense mechanisms, including the ability to use a compromised Li...
Tengu botnet reboots Linux devices to survive removal
A new Mirai-derived IoT botnet can force an infected Linux device to reboot once its main process is killed, giving its persistence mechanisms another opport...
Tengu Botnet Reboots Compromised Linux Devices When Defenders Kill Its Process
A new Mirai-derived botnet called Tengu can use a compromised Linux device's hardware watchdog to trigger a reboot when defenders kill its main process. If t...
AI-Assisted Bug Hunt Uncovers Linux Kernel 0-Day in net/sched
AI-assisted research uncovered Linux kernel use-after-free allowing root escalation
Siemens SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP
View CSAF Summary Multiple vulnerabilities have been identified in the additional GNU/Linux subsystem of the firmware version V3.1.
AI-Discovered Linux Kernel Zero-Day Enables Root Privilege Escalation
A researcher recently disclosed an AI-assisted Linux kernel zero-day vulnerability, tracked as CVE-2026-53264, which allows local privilege escalation to roo...
Researcher Says AI Helped Develop Linux Traffic-Control Race Into Root Exploit
STAR Labs has published a Linux kernel exploit that turns an ordinary local user into root on the CentOS Stream 9 build it targeted. The flaw, tracked as CVE...
Tech giants form alliance to put open AI in cyber defenders’ hands
NVIDIA and a group of tech companies have formed an alliance to promote the use of open AI models in cybersecurity, days after OpenAI disclosed that one of i...
New RefluXFS Linux flaw lets attackers gain root privileges
A nine-year-old race condition vulnerability in the Linux kernel's XFS filesystem, tracked as CVE-2026-64600, allows local attackers to overwrite protected f...
Linux kernel security faces challenge with surge in CVEs
The sheer number of Linux kernel CVEs, published recently, has raised questions about effective vulnerability management.
Ubuntu snap-confine vulnerability grants root access
The vulnerability stems from a security hardening change made in July 2025, where snap-confine shifted to a set-capabilities model.
Ubuntu snap-confine Flaw Could Give Local Users Root on Default Desktop Installs
Cybersecurity researchers have disclosed details of a new local privilege escalation (LPE) vulnerability in snap-confine that an unprivileged user can trigge...