IM
IronMonkey Threat Research

CVE-2024-43879 MEDIUM

Published: 2024-08-21 | Last Modified: 2026-05-12 | Status: Modified

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.

Additional Descriptions (1)

En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: wifi: cfg80211: maneja la asignación de 2x996 RU en cfg80211_calculate_bitrate_he() Actualmente, NL80211_RATE_INFO_HE_RU_ALLOC_2x996 no se maneja en cfg80211_calculate_bitrate_he(), lo que genera la siguiente advertencia: kernel: invalid HE MCS: bw:6, ru :6 kernel: ADVERTENCIA: CPU: 0 PID: 2312 en net/wireless/util.c:1501 cfg80211_calculate_bitrate_he+0x22b/0x270 [cfg80211] Solucionelo manejando la asignación de 2x996 RU de la misma manera que el ancho de banda de 160 MHz.

CVSS Metrics

Base Score: 5.5 (MEDIUM)

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

Attack VectorLOCAL
Attack ComplexityLOW
Privileges RequiredLOW
User InteractionNONE
ScopeUNCHANGED
Confidentiality ImpactNONE
Integrity ImpactNONE
Availability ImpactHIGH

Source: [email protected]

Type: Primary

Exploitability Score: 1.8

Impact Score: 3.6

Weaknesses

Source Type Description
[email protected] Primary
en NVD-CWE-noinfo

Affected Products

Vendor Product Version Update Type
linux linux_kernel * <built-in method update of dict object at 0x7fd36a288940> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd36059e500> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd36059cc00> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd36059ef00> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd36a28b5c0> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd38518af00> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd3412d11c0> Operating System

Affected Configurations

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

References