vmci：通过清理 event_deliver() 中的事件来防止推测泄漏（CVE-2024-39499）

CVE编号

CVE-2024-39499

利用情况

暂无

补丁情况

N/A

披露时间

2024-07-12

漏洞描述

In the Linux kernel, the following vulnerability has been resolved: vmci: prevent speculation leaks by sanitizing event in event_deliver() Coverity spotted that event_msg is controlled by user-space, event_msg->event_data.event is passed to event_deliver() and used as an index without sanitization. This change ensures that the event index is sanitized to mitigate any possibility of speculative information leaks. This bug was discovered and resolved using Coverity Static Analysis Security Testing (SAST) by Synopsys, Inc. Only compile tested, no access to HW.

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/58730dfbd4ae01c1b022b0d234a8bf8c02cdfb81
https://git.kernel.org/stable/c/681967c4ff210e06380acf9b9a1b33ae06e77cbd
https://git.kernel.org/stable/c/757804e1c599af5d2a7f864c8e8b2842406ff4bb
https://git.kernel.org/stable/c/8003f00d895310d409b2bf9ef907c56b42a4e0f4
https://git.kernel.org/stable/c/95ac3e773a1f8da83c4710a720fbfe80055aafae
https://git.kernel.org/stable/c/95bac1c8bedb362374ea1937b1d3e833e01174ee
https://git.kernel.org/stable/c/e293c6b38ac9029d76ff0d2a6b2d74131709a9a8
https://git.kernel.org/stable/c/f70ff737346744633e7b655c1fb23e1578491ff3

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