Researchers uncovered QLNX, a Linux RAT targeting developers to steal credentials, log keystrokes, monitor systems, and enable remote access. Security researchers discovered a previously undocumented Linux malware called Quasar Linux RAT (QLNX) that targets developers and DevOps environments. The malicious code can steal credentials, log keystrokes, manipulate files, monitor clipboard activity, and create network tunnels […]
Dirty Frag: unpatched Linux kernel flaw grants root access on Ubuntu, RHEL and Fedora. A working exploit is already public. Security researchers have disclosed a new unpatched vulnerability in the Linux kernel, code-named Dirty Frag, that allows an unprivileged local user to gain full root access on most major Linux distributions, including Ubuntu, RHEL, Fedora, […]
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds a flaw in Linux Kernel to its Known Exploited Vulnerabilities catalog The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added a flaw in the Linux Kernel, tracked as CVE-2026-31431 (CVSS score of 7.8), to its Known Exploited Vulnerabilities (KEV) catalog. Recently, Xint Code researchers warned of a serious Linux […]
Linux flaw CVE‑2026‑31431, ‘Copy Fail,’ lets any local user write four bytes into page cache files, enabling easy escalation to root on major distros. Xint Code researchers warn of a serious Linux flaw, tracked as CVE-2026-31431 (CVSS score of 7.8), dubbed Copy Fail. It lets any local, unprivileged user write four controlled bytes into the […]
‘Pack2TheRoot’ flaw lets local Linux users gain root via PackageKit. CVE-2026-41651 (8.8) has existed for nearly 12 years. The Pack2TheRoot flaw, tracked as CVE-2026-41651, lets unprivileged users install or remove system packages without authorization, potentially gaining full root access. The vulnerability is rated high severity, CVSS score of 8.8, and has existed for nearly 12 […]
A new GoGra Linux malware uses Microsoft Graph API and an Outlook inbox to deliver payloads, making it stealthy and hard to detect. A new Linux version of the GoGra backdoor uses Microsoft’s Graph API and an Outlook inbox to deliver malicious payloads stealthily. The malware is linked to the Harvester cyberespionage group, which is […]
Researchers found nine “CrackArmor” flaws in Linux AppArmor that could let unprivileged users bypass protections, gain root privileges, and weaken container isolation. Qualys researchers disclosed nine vulnerabilities, collectively tracked as CrackArmor, in the Linux kernel’s AppArmor module. The flaws have existed since 2017 and could allow unprivileged users to bypass protections, escalate privileges to root, […]
DKnife is a Linux toolkit used since 2019 to hijack router traffic and deliver malware in cyber-espionage attacks. Cisco Talos found DKnife, a powerful Linux toolkit that threat actors use to spy on and control network traffic through routers and edge devices. It inspects and alters data in transit and installs malware on PCs, phones, […]
Critical telnetd flaw CVE-2026-24061 (CVSS 9.8) affects all GNU InetUtils versions 1.9.3–2.7 and went unnoticed for nearly 11 years. A critical vulnerability, tracked as CVE-2026-24061 (CVSS score of 9.8), in the GNU InetUtils telnet daemon (telnetd) impacts all versions from 1.9.3 to 2.7. The vulnerability can be exploited to gain root access on affected systems. […]
VoidLink is a cloud-focused Linux malware, likely built by one person using AI, offering loaders, implants, rootkit evasion, and modular plugins. Check Point researchers uncovered VoidLink, a cloud-focused Linux malware framework likely built by a single developer with help from an AI model. VoidLink includes custom loaders, implants, rootkit-based evasion features, and dozens of plugins […]