输入：appletouch - 设备注册前初始化工作 (CVE-2021-46932)

CVE编号

CVE-2021-46932

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: Input: appletouch - initialize work before device registration Syzbot has reported warning in __flush_work(). This warning is caused by work->func == NULL, which means missing work initialization. This may happen, since input_dev->close() calls cancel_work_sync(&dev->work), but dev->work initalization happens _after_ input_register_device() call. So this patch moves dev->work initialization before registering input device

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/292d2ac61fb0d9276a0f7b7ce4f50426f2a1c99f
https://git.kernel.org/stable/c/975774ea7528b489930b76a77ffc4d5379b95ff2
https://git.kernel.org/stable/c/9f329d0d6c91142cf0ad08d23c72dd195db2633c
https://git.kernel.org/stable/c/9f3ccdc3f6ef10084ceb3a47df0961bec6196fd0
https://git.kernel.org/stable/c/a02e1404e27855089d2b0a0acc4652c2ce65fe46
https://git.kernel.org/stable/c/d1962f263a176f493400b8f91bfbf2bfedce951e
https://git.kernel.org/stable/c/d2cb2bf39a6d17ef4bdc0e59c1a35cf5751ad8f4
https://git.kernel.org/stable/c/e79ff8c68acb1eddf709d3ac84716868f2a91012

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