CVE-2022-41674

Severity: high (CVSS 8.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.1% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2022-10-14 · updated 2026-10-14
Weakness: CWE-787

Description

An issue was discovered in the Linux kernel before 5.19.16. Attackers able to inject WLAN frames could cause a buffer overflow in the ieee80211_bss_info_update function in net/mac80211/scan.c.

Affected products

Debian Linux: 10.0, 11.0
Fedoraproject Fedora: 35, 36, 37
Linux kernel: from 5.1 before 5.4.218; from 5.5 before 5.10.148; from 5.11 before 5.15.74; from 5.16 before 5.19.16; from 6.0 before 6.0.2 — fixed in 5.10.148, 5.15.74, 5.19.16, 5.4.218, 6.0.2

How to fix

Upgrade to a fixed version: Linux kernel 5.10.148, 5.15.74, 5.19.16, 5.4.218. Check the vendor advisory for mitigations.

References

http://packetstormsecurity.com/files/169951/Kernel-Live-Patch-Security-Notice-LSN-0090-1.html
http://www.openwall.com/lists/oss-security/2022/10/13/2
https://bugzilla.suse.com/show_bug.cgi?id=1203770
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/log/net/mac80211/scan.c
https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless.git/commit/?id=aebe9f4639b13a1f4e9a6b42cdd2e38c617b442d
https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GGHENNMLCWIQV2LLA56BJNFIUZ7WB4IY/
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/VNN3VFQPECS6D4PS6ZWD7AFXTOSJDSSR/
https://www.debian.org/security/2022/dsa-5257
https://www.openwall.com/lists/oss-security/2022/10/13/5
http://packetstormsecurity.com/files/169951/Kernel-Live-Patch-Security-Notice-LSN-0090-1.html

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