CVE-2021-47257: Linux Kernel

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

In the Linux kernel, the following vulnerability has been resolved: net: ieee802154: fix null deref in parse dev addr Fix a logic error that could result in a null deref if the user sets the mode incorrectly for the given addr type.

Affected products

• Linux Linux Kernel: before 4.9.274 (fixed in 4.9.274); from 4.10, before 4.14.238 (fixed in 4.14.238); from 4.15, before 4.19.196 (fixed in 4.19.196); from 4.20, before 5.4.127 (fixed in 5.4.127); from 5.5, before 5.10.45 (fixed in 5.10.45); from 5.11, before 5.12.12 (fixed in 5.12.12); …

Published 2024-05-21. Last modified 2026-06-17.