CVE-2021-47611: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.3% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: mac80211: validate extended element ID is present Before attempting to parse an extended element, verify that the extended element ID is present.

Affected products

• Linux Linux Kernel: from 4.19, before 4.19.222 (fixed in 4.19.222); from 4.20, before 5.4.168 (fixed in 5.4.168); from 5.5, before 5.10.88 (fixed in 5.10.88); from 5.11, before 5.15.11 (fixed in 5.15.11); version 5.16 only

Published 2024-06-19. Last modified 2026-08-04.