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Exploit for Privilege Context Switching Error in Canonical Ubuntu_Linux

🗓️ 25 Feb 2026 10:30:52Reported by Psychopath-TravelerType 
githubexploit
 githubexploit🔗 github.com👁 144 Views

POC for CVE-2021-3493 local privilege escalation in Ubuntu via OverlayFS.

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25 Feb 2026 10:54Current
5.7Medium risk
Vulners AI Score5.7
CVSS 27.2
CVSS 3.17.8 - 8.8
EPSS0.79962
SSVC
ubuntu vulnerabilityoverlayfslocal privilege escalationkernel patchuser namespaces
144