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nvd416baaa9-dc9f-4396-8d5f-8c081fb06d67NVD:CVE-2024-43879
HistoryAug 21, 2024 - 1:15 a.m.

CVE-2024-43879

2024-08-2101:15:12
416baaa9-dc9f-4396-8d5f-8c081fb06d67
web.nvd.nist.gov
5
linux kernel
wifi
vulnerability
cfg80211
bitrate allocation
ru
warning
cpu
pid
net/wireless
fix

EPSS

0

Percentile

13.7%

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.