CVE-2023-32629: Canonical Ubuntu Linux

High severity, CVSS 7.8. EPSS: 9.1% chance of exploitation in the next 30 days.

Local privilege escalation vulnerability in Ubuntu Kernels overlayfs ovl_copy_up_meta_inode_data skip permission checks when calling ovl_do_setxattr on Ubuntu kernels

Affected products

• Canonical Ubuntu Linux: version 23.04 only

Published 2023-07-26. Last modified 2026-06-17.