CVE-2022-42719

high

Description

A use-after-free in the mac80211 stack when parsing a multi-BSSID element in the Linux kernel 5.2 through 5.19.x before 5.19.16 could be used by attackers (able to inject WLAN frames) to crash the kernel and potentially execute code.

References

Advisories
More

https://www.debian.org/security/2022/dsa-5257

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VNN3VFQPECS6D4PS6ZWD7AFXTOSJDSSR/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S2KTU5LFZNQS7YNGE56MT46VHMXL3DD2/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GGHENNMLCWIQV2LLA56BJNFIUZ7WB4IY/

https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html

https://bugzilla.suse.com/show_bug.cgi?id=1204051

http://www.openwall.com/lists/oss-security/2022/10/13/2

https://github.com/PurpleVsGreen/beacown

https://security.netapp.com/advisory/ntap-20230203-0008/

https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless.git/commit/?id=ff05d4b45dd89b922578dac497dcabf57cf771c6

https://euvd.enisa.europa.eu/vulnerability/EUVD-2022-45785

http://www.openwall.com/lists/oss-security/2022/10/13/5

http://packetstormsecurity.com/files/171005/Kernel-Live-Patch-Security-Notice-LNS-0091-1.html

Details

Source: Mitre, NVD

Published: 2022-10-13

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 8.3

Vector: CVSS2#AV:A/AC:L/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.8

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