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CVE-2023-2640 PoC — Canonical Ubuntu Linux 安全漏洞

Source
https://github.com/luanoliveira350/GameOverlayFS
Associated Vulnerability
Title:Canonical Ubuntu Linux 安全漏洞 (CVE-2023-2640)
Description:On Ubuntu kernels carrying both c914c0e27eb0 and "UBUNTU: SAUCE: overlayfs: Skip permission checking for trusted.overlayfs.* xattrs", an unprivileged user may set privileged extended attributes on the mounted files, leading them to be set on the upper files without the appropriate security checks.
Description
GameoverlayFS (CVE-2023-2640 and CVE-2023-32629) exploit  in Shell Script tested on Ubuntu 20.04 Kernel 5.4.0
File Snapshot

 [4.0K]  /data/pocs/c998df07cecf2cae9c22a7de3de128ed25720dbe
├── [ 223]  gameoverlay.sh
└── [ 562]  ReadMe.md

0 directories, 2 files
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