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I. Basic Information for CVE-2021-47049
Vulnerability Information

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Vulnerability Title
Drivers: hv: vmbus: Use after free in __vmbus_open()
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Use after free in __vmbus_open() The "open_info" variable is added to the &vmbus_connection.chn_msg_list, but the error handling frees "open_info" without removing it from the list. This will result in a use after free. First remove it from the list, and then free it.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel 存在安全漏洞,该漏洞源于 __vmbus_open() 存在释放后重用。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
LinuxLinux 6f3d791f300618caf82a2be0c27456edd76d5164 ~ d5c7b42c9f56ca46b286daa537d181bd7f69214f -
LinuxLinux 4.14 -
II. Public POCs for CVE-2021-47049
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III. Intelligence Information for CVE-2021-47049
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IV. Related Vulnerabilities
V. Comments for CVE-2021-47049

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