devres：修复由驱动程序 API devm_free_percpu() 导致的内存泄漏（CVE-2024-43871）

CVE编号

CVE-2024-43871

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: devres: Fix memory leakage caused by driver API devm_free_percpu() It will cause memory leakage when use driver API devm_free_percpu() to free memory allocated by devm_alloc_percpu(), fixed by using devres_release() instead of devres_destroy() within devm_free_percpu().

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/3047f99caec240a88ccd06197af2868da1af6a96
https://git.kernel.org/stable/c/3dcd0673e47664bc6c719ad47dadac6d55d5950d
https://git.kernel.org/stable/c/700e8abd65b10792b2f179ce4e858f2ca2880f85
https://git.kernel.org/stable/c/95065edb8ebb27771d5f1e898eef6ab43dc6c87c
https://git.kernel.org/stable/c/b044588a16a978cd891cb3d665dd7ae06850d5bf
https://git.kernel.org/stable/c/b67552d7c61f52f1271031adfa7834545ae99701
https://git.kernel.org/stable/c/bd50a974097bb82d52a458bd3ee39fb723129a0c
https://git.kernel.org/stable/c/ef56dcdca8f2a53abc3a83d388b8336447533d85

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