CVE-2024-43879

MEDIUM

Linux Kernel - Denial of Service via Invalid HE MCS Handling in cfg80211_calculate_bitrate_he()

Title source: llm
STIX 2.1

Description

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.

References (12)

Core 12
Core References

Scores

CVSS v3 5.5
EPSS 0.0022
EPSS Percentile 12.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

Status published
Products (26)
linux/Kernel 4.19.0 - 4.19.320linux
linux/Kernel 4.20.0 - 5.4.282linux
linux/Kernel 5.11.0 - 5.15.165linux
linux/Kernel 5.16.0 - 6.1.103linux
linux/Kernel 5.5.0 - 5.10.224linux
linux/Kernel 6.2.0 - 6.6.44linux
linux/Kernel 6.7.0 - 6.10.3linux
Linux/Linux < 4.19
Linux/Linux 4.19
Linux/Linux 4.19.320 - 4.19.*
... and 16 more
Published Aug 21, 2024
Tracked Since Feb 18, 2026