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I. Basic Information for CVE-2021-47514
Vulnerability Information

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Vulnerability Title
devlink: fix netns refcount leak in devlink_nl_cmd_reload()
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: devlink: fix netns refcount leak in devlink_nl_cmd_reload() While preparing my patch series adding netns refcount tracking, I spotted bugs in devlink_nl_cmd_reload() Some error paths forgot to release a refcount on a netns. To fix this, we can reduce the scope of get_net()/put_net() section around the call to devlink_reload().
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 devlink 模块 devlink_nl_cmd_reload() 中的 netns 引用计数泄漏。
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 ccdf07219da6bd1f43c6ddcde4c0e36993c7365a ~ 4b7e90672af8e0c78205db006f1b0a20ebd07f5f -
LinuxLinux 5.10 -
II. Public POCs for CVE-2021-47514
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III. Intelligence Information for CVE-2021-47514
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IV. Related Vulnerabilities
V. Comments for CVE-2021-47514

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