block：防止 blk_rq_stat_sum() 中除以零（CVE-2024-35925）

CVE编号

CVE-2024-35925

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: block: prevent division by zero in blk_rq_stat_sum() The expression dst->nr_samples + src->nr_samples may have zero value on overflow. It is necessary to add a check to avoid division by zero. 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/21e7d72d0cfcbae6042d498ea2e6f395311767f8
https://git.kernel.org/stable/c/512a01da7134bac8f8b373506011e8aaa3283854
https://git.kernel.org/stable/c/5f7fd6aa4c4877d77133ea86c14cf256f390b2fe
https://git.kernel.org/stable/c/6a55dab4ac956deb23690eedd74e70b892a378e7
https://git.kernel.org/stable/c/93f52fbeaf4b676b21acfe42a5152620e6770d02
https://git.kernel.org/stable/c/98ddf2604ade2d954bf5ec193600d5274a43fd68
https://git.kernel.org/stable/c/b0cb5564c3e8e0ee0a2d28c86fa7f02e82d64c3c
https://git.kernel.org/stable/c/edd073c78d2bf48c5b8bf435bbc3d61d6e7c6c14

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