CVE-2022-42721: Debian Linux

Medium severity, CVSS 5.5. EPSS: 0.6% chance of exploitation in the next 30 days.

A list management bug in BSS handling in the mac80211 stack in the Linux kernel 5.1 through 5.19.x before 5.19.16 could be used by local attackers (able to inject WLAN frames) to corrupt a linked list and, in turn, potentially execute code.

Affected products

• Debian Debian Linux: version 10.0 only; version 11.0 only
• Fedoraproject Fedora: version 35 only; version 36 only; version 37 only
• Linux Linux Kernel: from 5.1, before 5.19.16 (fixed in 5.19.16)

Published 2022-10-14. Last modified 2026-06-17.