CVE-2022-4127: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

A NULL pointer dereference issue was discovered in the Linux kernel in io_files_update_with_index_alloc. A local user could use this flaw to potentially crash the system causing a denial of service.

Affected products

• Linux Linux Kernel: version 5.19 only

Published 2022-11-28. Last modified 2026-06-17.