CVE-2023-2513: Linux Kernel

Medium severity, CVSS 6.7. EPSS: 0.2% chance of exploitation in the next 30 days.

A use-after-free vulnerability was found in the Linux kernel's ext4 filesystem in the way it handled the extra inode size for extended attributes. This flaw could allow a privileged local user to cause a system crash or other undefined behaviors.

Affected products

• Linux Linux Kernel: up to and including 5.19
• Red Hat Enterprise Linux: version 6.0 only; version 7.0 only; version 8.0 only; version 9.0 only

Published 2023-05-08. Last modified 2026-06-17.