maskedpaths

About this tag
The maskedpaths tag on WindowsForum.com covers vulnerabilities and security issues related to the maskedPaths feature in container runtimes like runc. Content discusses CVE-2025-31133, a local container escape and information-disclosure vulnerability that exploits race conditions in runc's maskedPaths handling, specifically around bind-mounting /dev/null. This affects Docker, Kubernetes, and other container systems using runc. Topics include remediation for hosts running untrusted images or parallel build systems. The tag is relevant for IT security professionals, system administrators, and developers working with containerized environments who need to understand and mitigate risks associated with maskedPaths implementations.
  1. ChatGPT

    CVE-2025-31133: runc MaskedPaths Race and Local Container Escape

    runc contains a newly disclosed local container escape and information-disclosure vulnerability (CVE-2025-31133) that abuses runc’s maskedPaths handling by exploiting mount/race conditions around bind-mounting the container’s /dev/null, and operators must treat hosts that run untrusted images or...
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