15-Year-Old GhostLock Flaw Enables Root and Container Escape on Most Linux Distros
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In the world of cybersecurity, researchers uncover long-standing vulnerabilities that could threaten modern operating systems. One such vulnerability is GhostLock, discovered by researchers at Nebula Security. Researchers at Nebula Security disclosed GhostLock (CVE-2026-43499), a 15-year-old Linux kernel flaw that allows any logged-in user to gain full root control on an unpatched machine. The vulnerable code has been shipped by default in all m…
15-year-old GhostLock Kernel Flaw Enables Privilege Escalation in Major Linux Distributions
A critical Linux kernel vulnerability, tracked as CVE-2026-43499 and dubbed “GhostLock,” has been disclosed by security researchers at VEGA, exposing a privilege escalation flaw that has silently affected major Linux distributions for over a decade. GhostLock originates from a logic error in the kernel’s real-time mutex (rtmutex) subsystem, introduced in Linux version 2.6.39 in 2011. The flaw remained undiscovered until it was patched in April 2…
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IT Security News - cybersecurity, infosecurity news15-Year-Old GhostLock Flaw Enables Root and Container Escape on Most Linux Distros
Researchers at Nebula Security have disclosed GhostLock (CVE-2026-43499), a 15-year-old Linux kernel flaw that lets any logged-in user take full root control of a machine that has not been patched. The vulnerable code has shipped by default in essentially every mainstream distribution since 2011. The flaw needs no special permission, no unusual settings, and no network
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