CVE-2022-42721

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.

CVSS 3.1

5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS

0.6% chance of exploitation in the next 30 days; higher than 50% of CVEs (scores of 2026-10-25)

CWE

CWE-835

Published

2022-10-14

Modified

2026-10-14

Record from

the NVD, synced 2026-10-19

Affected

• debian:debian_linux
• fedoraproject:fedora
• linux:linux_kernel

References

• http://packetstormsecurity.com/files/169951/Kernel-Live-Patch-Security-Notice-LSN-0090-1.html
• http://www.openwall.com/lists/oss-security/2022/10/13/5
• https://bugzilla.suse.com/show_bug.cgi?id=1204060
• https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless.git/commit/?id=bcca852027e5878aec911a347407ecc88d6fff7f
• https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html

Check your stackJSON