CVE-2021-47464: Linux Kernel

High severity, CVSS 7.4. EPSS: 0.2% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: audit: fix possible null-pointer dereference in audit_filter_rules Fix possible null-pointer dereference in audit_filter_rules. audit_filter_rules() error: we previously assumed 'ctx' could be null

Affected products

• Linux Linux Kernel: from 5.3, before 5.4.156 (fixed in 5.4.156); from 5.5, before 5.10.76 (fixed in 5.10.76); from 5.11, before 5.14.15 (fixed in 5.14.15); version 5.15 only

Published 2024-05-22. Last modified 2026-06-17.