The XZ-Utils backdoor, first discovered in March 2024, is still present in at least 35 Linux images on Docker Hub, potentially putting users, organizations, and their data at risk. [...]
A newly discovered Linux malware, which has evaded detection for over a year, allows attackers to gain persistent SSH access and bypass authentication on compromised systems. [...]
A new Linux malware named Koske may have been developed with artificial intelligence and is using seemingly benign JPEG images of panda bears to deploy malware directly into system memory. [...]
The Clear Linux OS team has announced the shutdown of the project, marking the end of its 10-year existence in the open-source ecosystem. [...]
Arch Linux has pulled three malicious packages uploaded to the Arch User Repository (AUR) were used to install the CHAOS remote access trojan (RAT) on Linux devices. [...]
CISA has warned U.S. federal agencies about attackers targeting a high-severity vulnerability in the Linux kernel's OverlayFS subsystem that allows them to gain root privileges. [...]
Attackers can exploit two newly discovered local privilege escalation (LPE) vulnerabilities to gain root privileges on systems running major Linux distributions. [...]
They’re interesting : Tracked as CVE-2025-5054 and CVE-2025-4598, both vulnerabilities are race condition bugs that could enable a local attacker to obtain access to access sensitive information. Tools like Apport and systemd-coredump are designed to handle crash reporting and core dumps in Linux systems. [...] “This means that if a …
A new campaign employing ClickFix attacks has been spotted targeting both Windows and Linux systems using instructions that make infections on either operating system possible. [...]
Offensive Security warned Kali Linux users to manually install a new Kali repository signing key to avoid experiencing update failures. [...]
Interesting : The company has released a working rootkit called “Curing” that uses io_uring, a feature built into the Linux kernel, to stealthily perform malicious activities without being caught by many of the detection solutions currently on the market. At the heart of the issue is the heavy reliance on …
A significant security gap in Linux runtime security caused by the 'io_uring' interface allows rootkits to operate undetected on systems while bypassing advanced Enterprise security software. [...]
In a rather clever attack, hackers leveraged a weakness that allowed them to send a fake email that seemed delivered from Google's systems, passing all verifications but pointing to a fraudulent page that collected logins. [...]
Microsoft used its AI-powered Security Copilot to discover 20 previously unknown vulnerabilities in the GRUB2, U-Boot, and Barebox open-source bootloaders. [...]
Three security bypasses have been discovered in Ubuntu Linux's unprivileged user namespace restrictions, which could be enable a local attacker to exploit vulnerabilities in kernel components. [...]
Kali Linux has released version 2025.1a, the first version of 2025, with one new tool, desktop changes, and a theme refresh. [...]
A previously undocumented Linux backdoor dubbed 'Auto-Color' was observed in attacks between November and December 2024, targeting universities and government organizations in North America and Asia. [...]
Over 660,000 exposed Rsync servers are potentially vulnerable to six new vulnerabilities, including a critical-severity heap-buffer overflow flaw that allows remote code execution on servers. [...]