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IonStack part II: GhostLock, a stack-UAF that has existed in ALL Linux distributions for 15 years
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IonStack part II: GhostLock, a stack-UAF that has existed in ALL Linux distributions for 15 years

#nebusec#waiter#stack#kernel#lock#task

GhostLock (CVE-2026-43499) is a Linux kernel vulnerability found by VEGA that exists in every major distribution since 2011. Triggering the bug does not require any special kernel config or privilege.…

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