媒体：dvbdev：修复 dvb_media_device_free() 中的内存泄漏 (CVE-2020-36777)

CVE编号

CVE-2020-36777

利用情况

暂无

补丁情况

N/A

披露时间

2024-02-28

漏洞描述

In the Linux kernel, the following vulnerability has been resolved: media: dvbdev: Fix memory leak in dvb_media_device_free() dvb_media_device_free() is leaking memory. Free `dvbdev->adapter->conn` before setting it to NULL, as documented in include/media/media-device.h: "The media_entity instance itself must be freed explicitly by the driver if required."

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/06854b943e0571ccbd7ad0a529babed1a98ff275
https://git.kernel.org/stable/c/32168ca1f123316848fffb85d059860adf3c409f
https://git.kernel.org/stable/c/43263fd43083e412311fa764cd04a727b0c6a749
https://git.kernel.org/stable/c/9185b3b1c143b8da409c19ac5a785aa18d67a81b
https://git.kernel.org/stable/c/9ad15e214fcd73694ea51967d86055f47b802066
https://git.kernel.org/stable/c/bf9a40ae8d722f281a2721779595d6df1c33a0bf
https://git.kernel.org/stable/c/cd89f79be5d553c78202f686e8e4caa5fbe94e98
https://git.kernel.org/stable/c/cede24d13be6c2a62be6d7ceea63c2719b0cfa82

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