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#Use-After-Free

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#InSEKurity #CVE #Linux #KVM #VM Escape

CVE Research

Jul 14, 2026

sekurity-team

InSEKurity of the Week (CW28/2026): Linux KVM Guest-to-Host VM Escape -- Januscape (CVE-2026-53359)

A 16-year-old use-after-free in the Linux KVM shadow MMU lets a root user inside a guest VM escape to the host on both Intel and AMD x86 -- exploited as a zero-day in Google's kvmCTF

#InSEKurity #CVE #Linux +4

Exploit

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