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The central voice for Linux and Open Source security news.
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CRI-O Restore Flaw Can Bypass Kubernetes Security Policies
Kubernetes groups one or more containers into a pod, the basic unit it deploys.
PH4NTXM Linux Builds a Disposable Identity at Every Boot
A live Linux distribution runs from removable media, usually a USB drive, without requiring a permanent installation.
CISA Confirms Active Exploitation of Linux Kernel Crypto Flaw
CISA has added CVE-2025-39964, a flaw in the Linux kernel’s built-in cryptography interface, to its list of vulnerabilities being used in real attacks.
Researchers Show How Prompt Injection Could Expose AWS AgentCore Credentials
Security researchers have shown how hidden instructions in an AWS AgentCore support ticket could push an AI agent into running commands as root and exposing a service credential.
crun Tightens GPU Security for Containers Running in MicroVMs
The crun container runtime has changed how GPU-enabled workloads launch a key graphics helper.
Linux Fixes Two Memory Safety Bugs in DMA Cleanup
Linux developers have fixed two memory-safety bugs in the subsystem that lets hardware move data without constant help from the CPU.
Linux Fixes Input Bugs That Could Leak Kernel Memory
Linux developers have fixed two input-system bugs that could expose small pieces of leftover kernel memory to a local program.
Linux Fix SELinux Overlays Important Security Contexts 401610
Linux developers have fixed an SELinux flaw that could allow a program to make a mapped file executable after SELinux had blocked direct execution.
CISA Confirms Active Exploitation of Linux ebtables Flaw
CISA has added CVE-2026-53266, a Linux kernel flaw in the ebtables bridge firewall, to its list of vulnerabilities known to be exploited.