fbmon：防止 fb_videomode_from_videomode() 中被零除 (CVE-2024-35922)

CVE编号

CVE-2024-35922

利用情况

暂无

补丁情况

N/A

披露时间

2024-05-19

漏洞描述

In the Linux kernel, the following vulnerability has been resolved: fbmon: prevent division by zero in fb_videomode_from_videomode() The expression htotal * vtotal can have a zero value on overflow. It is necessary to prevent division by zero like in fb_var_to_videomode(). Found by Linux Verification Center (linuxtesting.org) with Svace.

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/1b107d637fed68a787da77a3514ad06e57abd0b4
https://git.kernel.org/stable/c/1fb52bc1de55e9e0bdf71fe078efd4da0889710f
https://git.kernel.org/stable/c/3d4b909704bf2114f64f87363fa22b5ef8ac4a33
https://git.kernel.org/stable/c/48d6bcfc31751ca2e753d901a2d82f27edf8a029
https://git.kernel.org/stable/c/664206ff8b019bcd1e55b10b2eea3add8761b971
https://git.kernel.org/stable/c/72d091b7515e0532ee015e144c906f3bcfdd6270
https://git.kernel.org/stable/c/951838fee462aa01fa2a6a91d56f9a495082e7f0
https://git.kernel.org/stable/c/c2d953276b8b27459baed1277a4fdd5dd9bd4126

受影响软件情况

#	类型	厂商	产品	版本	影响面
1
	运行在以下环境
	系统	debian_11	linux	*		Up to (excluding) 5.10.216-1
	运行在以下环境
	系统	debian_12	linux	*		Up to (excluding) 6.1.90-1

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