Nebusec Research company blog

GhostLock, a stack-UAF that has existed in all Linux distributions for 15 years

GhostLock (CVE-2026-43499) is a Linux kernel vulnerability found by Nebu that exists in every major distribution since 2011. Triggering the bug does not require any special kernel config or privilege. By turning it into a 97% stable privilege escalation and container escape, Google has rewarded us $92,337 in…
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Security & PrivacySystems & Performance2026

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Jul 8, 2026GhostLock, a stack-UAF that has existed in all Linux distributions for 15 years by ranger_danger417194
Jul 10, 2026GhostLock, a stack-UAF that has existed in all Linux distributions for 15 years by djfergus1046

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