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Gunra ransomware has added a Linux encryptor to its arsenal, giving affiliates control over how they lock enterprise data. The command-line payload can launch up to 100 encryption threads, a design that compresses the time defenders have to detect and …
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A proof-of-concept (PoC) has been released for a use-after-free vulnerability affecting the Linux kernel’s software bridge implementation found in `net/bridge`. This vulnerability occurs within the Spanning Tree Protocol (STP) timer lifecycle. It…
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Kaspersky links OctLurk and SilkLurk to cyberespionage attacks stealing passwords, emails and files from government systems in six countries since January 2025.
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A recently disclosed Linux local privilege-escalation vulnerability, tracked as CVE-2026-64531 and referred to as OVSwrap, affects the kernel’s Open vSwitch (OVS) implementation. This vulnerability could allow unprivileged local users to gain roo…
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BlackTech, a long-running China-aligned APT group, has adopted a new Linux backdoor built on the BlueShell open-source RAT to conduct post-intrusion operations against Japanese organizations, signaling ongoing toolchain evolution and focused targeting …
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A covert Monero (XMR) cryptomining campaign uncovered in May 2026 is abusing Linux Pluggable Authentication Modules (PAM) to evade detection, maintain fileless execution, and persist across multiple user accounts on compromised hosts. The operation, tr…
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A researcher recently disclosed an AI-assisted Linux kernel zero-day vulnerability, tracked as CVE-2026-53264, which allows local privilege escalation to root on affected systems. This flaw is found in the Linux packet scheduling subsystem (net/sched) …
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A critical vulnerability in the Linux kernel, identified as CVE-2026-64600 and referred to as RefluXFS. This vulnerability enables an unprivileged local user to gain root access on systems that utilize reflink-enabled XFS filesystems. The flaw resides …
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A vulnerability in snap-confine lets an unprivileged user gain root access on affected Ubuntu Desktop systems. Install the latest snapd update to fix the issue.
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The Linux kernel security team published approximately 440,440 CVE advisories over 24 hours, reflecting a significant release of vulnerability records linked to fixes already incorporated into the upstream kernel tree. These notices were distributed th…
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