i2c：修复释放后的潜在用途 (CVE-2019-25162)

CVE编号

CVE-2019-25162

利用情况

暂无

补丁情况

N/A

披露时间

2024-02-27

漏洞描述

In the Linux kernel, the following vulnerability has been resolved: i2c: Fix a potential use after free Free the adap structure only after we are done using it. This patch just moves the put_device() down a bit to avoid the use after free. [wsa: added comment to the code, added Fixes tag]

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/12b0606000d0828630c033bf0c74c748464fe87d
https://git.kernel.org/stable/c/23a191b132cd87f746c62f3dc27da33683d85829
https://git.kernel.org/stable/c/35927d7509ab9bf41896b7e44f639504eae08af7
https://git.kernel.org/stable/c/81cb31756888bb062e92d2dca21cd629d77a46a9
https://git.kernel.org/stable/c/871a1e94929a27bf6e2cd99523865c840bbc2d87
https://git.kernel.org/stable/c/e4c72c06c367758a14f227c847f9d623f1994ecf
https://git.kernel.org/stable/c/e6412ba3b6508bdf9c074d310bf4144afa6aec1a
https://git.kernel.org/stable/c/e8e1a046cf87c8b1363e5de835114f2779e2aaf4

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_10	linux	*		Up to (excluding) 4.19.260-1
	运行在以下环境
	系统	debian_11	linux	*		Up to (excluding) 5.10.140-1
	运行在以下环境
	系统	debian_12	linux	*		Up to (excluding) 5.19.6-1

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