Exploitation of a double free vulnerability in Ubuntu shiftfs driver
A very detailed article by Vincent Dehors. The author describes his exploit for Pwn2Own Vancouver, where he got LPE on Ubuntu Groovy 20.10.
https://www.synacktiv.com/publications/exploitation-of-a-double-free-vulnerability-in-ubuntu-shiftfs-driver-cve-2021-3492.html
Post #95
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