CVE-2024-43879: 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: wifi: cfg80211: handle 2x996 RU allocation in cfg80211_calculate_bitrate_he() Currently NL80211_RATE_INFO_HE_RU_ALLOC_2x996 is not handled in cfg80211_calculate_bitrate_he(), leading to below warning: kernel: invalid HE MCS: bw:6, ru:6 kernel: WARNING: CPU: 0 PID: 2312 at net/wireless/util.c:1501 cfg80211_calculate_bitrate_he+0x22b/0x270 [cfg80211] Fix it by handling 2x996 RU allocation in the same way as 160 MHz bandwidth.

Affected products

• Linux Linux Kernel: from 4.19, before 4.19.320 (fixed in 4.19.320); from 4.20, before 5.4.282 (fixed in 5.4.282); from 5.5, before 5.10.224 (fixed in 5.10.224); from 5.11, before 5.15.165 (fixed in 5.15.165); from 5.16, before 6.1.103 (fixed in 6.1.103); from 6.2, before 6.6.44 (fixed in 6.6.44); …

Published 2024-08-21. Last modified 2026-06-17.