An issue was discovered in fs/io_uring.c in the Linux...
Moderate severity
Unreviewed
Published
May 24, 2022
to the GitHub Advisory Database
•
Updated Jan 29, 2023
Description
Published by the National Vulnerability Database
Nov 28, 2020
Published to the GitHub Advisory Database
May 24, 2022
Last updated
Jan 29, 2023
An issue was discovered in fs/io_uring.c in the Linux kernel before 5.6. It unsafely handles the root directory during path lookups, and thus a process inside a mount namespace can escape to unintended filesystem locations, aka CID-ff002b30181d.
References