wifi：cfg80211：在 cfg80211_calculate_bitrate_he() 中处理 2x996 RU 分配（CVE-2024-43879）

CVE编号

CVE-2024-43879

利用情况

暂无

补丁情况

N/A

披露时间

2024-08-21

漏洞描述

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.

解决建议

建议您更新当前系统或软件至最新版，完成漏洞的修复。

参考链接
https://git.kernel.org/stable/c/16ad67e73309db0c20cc2a651992bd01c05e6b27
https://git.kernel.org/stable/c/19eaf4f2f5a981f55a265242ada2bf92b0c742dd
https://git.kernel.org/stable/c/2e201b3d162c6c49417c438ffb30b58c9f85769f
https://git.kernel.org/stable/c/45d20a1c54be4f3173862c7b950d4468447814c9
https://git.kernel.org/stable/c/576c64622649f3ec07e97bac8fec8b8a2ef4d086
https://git.kernel.org/stable/c/67b5f1054197e4f5553047759c15c1d67d4c8142
https://git.kernel.org/stable/c/b289ebb0516526cb4abae081b7ec29fd4fa1209d
https://git.kernel.org/stable/c/bcbd771cd5d68c0c52567556097d75f9fc4e7cd6

CVSS3评分 N/A

• 攻击路径 N/A
• 攻击复杂度 N/A
• 权限要求 N/A
• 影响范围 N/A
• 用户交互 N/A
• 可用性 N/A
• 保密性 N/A
• 完整性 N/A

N/A

CWE-ID	漏洞类型

Exp相关链接

- avd.aliyun.com