Critical Linux Kernel Vulnerability GhostLock Affects All Distributions for 15 Years

A critical use-after-free (UAF) vulnerability named GhostLock has been discovered in the Linux kernel, affecting all major Linux distributions for the past 15 years. The flaw allows local attackers to escalate privileges and potentially gain full control over affected systems. The vulnerability was disclosed by security researchers who have released technical details and proof-of-concept code. Linux distributions are now racing to deploy patches, with major vendors like Red Hat, Ubuntu, and Debian issuing security advisories. The bug's long-standing presence and widespread impact underscore the challenge of securing open-source operating systems at scale.

Global Impact

The GhostLock vulnerability has significant industry-specific impact, particularly for enterprise IT, cloud computing, and cybersecurity. Economically, the cost of emergency patching and potential breaches could run into hundreds of millions of dollars globally.