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Exploit for Privilege Context Switching Error in Canonical Ubuntu_Linux

🗓️ 19 Apr 2021 20:07:01Reported by brisketsType 
githubexploit
 githubexploit🔗 github.com👁 329 Views

Incorrect Authorization in Ubuntu OverlayFS Local Privesc CVE-2021-3493 "Ubuntu specific issue in the overlayfs file system in the Linux kernel leading to elevated privileges due to a patch in Ubuntu allowing unprivileged overlayfs mounts. Fixed in Linux 5.11.

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29 Aug 2025 06:19Current
8High risk
Vulners AI Score8
CVSS 27.2
CVSS 3.17.8 - 8.8
EPSS0.43988
ubuntuoverlayfslocal privesccve-2021-3493linux kernelelevated privilegespatchunprivileged mountssecurity advisory
329