Tag: linux
123 articles
AI-Powered Attacks Target Government Linux Infrastructure
Meet CL-UNK-1211, a sneaky AI-powered espionage campaign that infiltrated government entities and state-affiliated infrastructure between October 2025 and April 2026. The attackers cleverly embedded AI into their workflow, using conversational annotations and step-by-step notes that hinted at automated code generation.
Malicious Packages Infiltrate Arch Linux Repository with Rootkit Malware
Malicious actors have struck the Arch Linux community by uploading trojanised packages to the Arch User Repository, cleverly disguising them as legitimate AUR helpers like yay and paru. The fake packages, including a malicious yyay package, used identical source code and URLs to blend in with the real deal.
Exploit Published for AnyDesk Linux Flaw Granting Root Access
A recently discovered flaw in AnyDesk's Linux version has been exploited, allowing attackers to gain root access on vulnerable systems - and a working exploit, called AnyPwn, has even been published on GitHub. This security gap was initially downplayed by AnyDesk as a simple bug that could lead to a crash.
Citrix NetScaler Flaw Actively Exploited in Targeted Attacks
Researchers have uncovered a new Spectre v2 variant, called Branch Target Reuse (BTR), which can extract sensitive data, including root password hashes, from Intel machines running Linux in just minutes. This attack leverages a clever exploit that takes advantage of a desynchronization in modern CPUs.
Debian kernel update patches 1,313 vulnerabilities
Debian just dropped a massive kernel security update that tackles a staggering 1,313 vulnerabilities - that's a huge patch to keep your system safe and secure! Get the details on the update and why it matters.
New Spectre Variant BTR Exploits Linux Memory Despite Existing Defenses
Meet Branch Target Reuse (BTR), a new Spectre variant that cleverly exploits Linux memory, dodging existing defenses and leaving multiple JIT engines and the Linux kernel vulnerable. This sneaky attack uses a four-step sequence to tap into the CPU's indirect branch prediction structures.
New Spectre v2 Variant Exploits Linux Systems, Leaks Root Password Hashes
Researchers have uncovered a new Spectre v2 variant, dubbed Branch Target Reuse (BTR), that can exploit Linux systems and leak sensitive data, including root password hashes, in a matter of minutes. This attack can be executed in as little as 3-5 minutes, leaving systems vulnerable to potential breaches.
Cloudflare Fixes Flaw Exposing Leftover Disk Data Between Containers
A startling security flaw was discovered in Cloudflare's container storage system, allowing leftover disk data to be exposed between containers, with researchers finding remnants on 18 of 24 production tests and 20 of 22 underlying machines worldwide. This vulnerability was caused by a misconfigured setting that reused disk blocks without properly wiping them clean.
File Notification Flaws Expose System Data Across Major Operating Systems
Major operating systems, including Linux, Android, Windows, and macOS, are vulnerable to file notification flaws that can expose sensitive system data, thanks to decades-old bugs in their file-notification subsystems. These flaws can leak timing and path information about file activity, putting users at risk.
Ubuntu Accelerates Kernel Releases Amid CVE Surge
Canonical is shaking up its Ubuntu kernel release schedule to keep pace with the rapidly evolving threat landscape, introducing overlapping two-week cycles that will allow for weekly kernel releases. This move aims to get security patches and updates to users faster, addressing the surge in Common Vulnerabilities and Exposures (CVEs).
CISA Warns of Active Exploitation of Linux Kernel Flaws
Hackers are actively exploiting three Linux kernel vulnerabilities, prompting the US Cybersecurity and Infrastructure Security Agency (CISA) to escalate them to the highest federal priority, requiring immediate security updates and forensic analysis. The alarming part? One of these flaws, CVE-2025-39964, had been lurking in the Linux kernel for a staggering 14 years.
Acronis Plugin Vulnerability Exploited in Targeted Attacks
A high-severity vulnerability in Acronis' Backup plugin has been exploited in targeted attacks, allowing attackers to escalate privileges on Linux deployments - and a patch is available in update 1.9.3 HF3. Users are urged to install it immediately to avoid potential security breaches.
Acronis Discloses Exploited Flaw in cPanel Backup Plugin
A high-severity flaw, CVE-2026-87886, has been discovered in the Acronis Backup plugin for cPanel & WHM deployments, and it's been exploited in limited, targeted attacks. This Linux local privilege-escalation vulnerability has a CVSS severity score of 7.8, making it a critical issue that needs attention.
BambooToken Malware Exploits MQTT for Global Command-and-Control
Meet BambooToken, a sneaky new malware framework that's been secretly weaponizing the Internet of Things messaging protocol MQTT to control servers worldwide since 2023. Its operators have cleverly leveraged MQTT's lightweight design to pull off global command-and-control attacks on both Windows and Linux servers.
cPanel Flaw Enables Code Execution as Root via Mail Privileges
A critical cPanel security flaw, known as CVE-2026-67401, allows hackers with mail-related privileges to create files on a server and execute code as the root user, putting your entire system at risk. This vulnerability affects every supported version of cPanel and WHM, making it crucial to take immediate action.
North Korea's Ted Backdoor Infiltrates HAProxy Builds to Intercept Web Traffic
Security researchers have uncovered a sneaky backdoor, dubbed "ted", hidden in HAProxy builds used by two South Korean companies, allowing hackers to intercept web traffic. This cleverly concealed Linux toolkit was deployed through a trojanized HAProxy load balancer, highlighting the need for extra vigilance in cybersecurity.
Iranian Hackers Deploy Cross-Platform Malware via Coding Tests
Iranian hackers are using clever tactics to deploy cross-platform malware, disguising it as coding challenges on LinkedIn and other job search platforms to trick developers into installing the threat. This malware, tracked as NodeRabbit and PollCat, can infect Windows, Linux, and macOS workstations, allowing hackers to gain remote access.
CISA Flags Six Exploited Flaws in Microsoft, Linux, Citrix Products
The US Cybersecurity and Infrastructure Security Agency (CISA) has just sounded the alarm, adding six new vulnerabilities to its Known Exploited Vulnerabilities catalog in a single day - a stark reminder that threat actors are relentlessly targeting both old and newly discovered software weaknesses. This urgent move underscores the need for immediate action to patch these flaws and prevent exploitation.
Researcher Exploits Apple's Find My to Track Locations with Linux
Meet Zerotistic, a 22-year-old security researcher who just pulled off a clever hack: enrolling a Linux device into Apple's Find My network and receiving live location data, typically reserved for Apple devices. This ingenious feat reveals some surprising technical constraints in Apple's system.
Mirai-Based Botnet Evooo1Bot Exploits Vulnerabilities, Turns Devices Into Proxies
Meet Evooo1Bot, a newly identified Mirai-derived Linux botnet that's turning devices into proxies by exploiting vulnerabilities, and has been actively targeting internet-facing devices since July 2026. Its operators have been using a single loader URL to launch attacks, allowing researchers to track and identify the malware.
Kimwolf Botnet Evolves with Enhanced DDoS Capabilities
Meet Kimwolf v7, a highly evolved botnet that's taken DDoS capabilities to the next level with its cutting-edge command-and-control resolution via Ethereum's blockchain naming system, ENS. First discovered in February 2026, this malware has been quietly building its arsenal since August 2024, targeting a range of devices from Linux IoT gadgets to Android TV boxes.
Mozilla Revokes Firefox GPG Key After Accidental Exposure
Mozilla swiftly responded to a security slip-up by revoking a Firefox GPG key after it was accidentally exposed in a private GitHub repository, and has since transitioned to a new key to ensure the integrity of its software. The move aims to prevent potential misuse and protect users, with measures also put in place to avoid similar incidents in the future.
Interrupt Injection Attack Bypasses Spectre v2 Defenses on Intel, AMD CPUs
Researchers have uncovered a shocking vulnerability that allows an unprivileged local program to bypass Spectre v2 defenses on Intel and AMD CPUs, leaking kernel memory with alarming speed and accuracy. On an AMD Zen 2 system, this exploit can siphon off sensitive data at a rate of 5.47 bytes per second with near 92% accuracy, making it possible to crack even highly secured files like /etc/shadow.
Arch Linux Disables AUR Package Adoption Amid Malware Surge
To protect its users, Arch Linux has temporarily disabled package adoption on its Arch User Repository (AUR) due to a surge in malware takeovers. The move is a temporary measure to handle the situation, with the team promising to reinstate the feature once it's safe to do so.