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CVE-2021-3493 PoC — Linux kernel 安全漏洞

Source
https://github.com/Sornphut/OverlayFS---CVE-2021-3493
Associated Vulnerability
Title:Linux kernel 安全漏洞 (CVE-2021-3493)
Description:The overlayfs implementation in the linux kernel did not properly validate with respect to user namespaces the setting of file capabilities on files in an underlying file system. Due to the combination of unprivileged user namespaces along with a patch carried in the Ubuntu kernel to allow unprivileged overlay mounts, an attacker could use this to gain elevated privileges.
File Snapshot

 [4.0K]  /data/pocs/938163ee9f7a67223448e4be53e960557f53b38a
├── [  37]  command.md
├── [3.4K]  exploit.c
└── [2.0K]  Readme.md

0 directories, 3 files
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