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I. Basic Information for CVE-2021-47177
Vulnerability Information

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Vulnerability Title
iommu/vt-d: Fix sysfs leak in alloc_iommu()
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fix sysfs leak in alloc_iommu() iommu_device_sysfs_add() is called before, so is has to be cleaned on subsequent errors.
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 iommu/vt-d 中的 alloc_iommu()存在安全问题。
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 39ab9555c24110671f8dc671311a26e5c985b592 ~ 22da9f4978381a99f1abaeaf6c9b83be6ab5ddd8 -
LinuxLinux 4.11 -
II. Public POCs for CVE-2021-47177
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III. Intelligence Information for CVE-2021-47177
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IV. Related Vulnerabilities
V. Comments for CVE-2021-47177

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