Description
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.
Metrics
CVSS 3.1 6.5/10
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:NWeakness enumeration
Affected software
No affected versions have been published.
Timeline
- Published
- Nov 28, 2020
- Last modified
- Jun 17, 2026
- NVD status
- Modified