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I. Basic Information for CVE-2021-47201
Vulnerability Information

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Vulnerability Title
iavf: free q_vectors before queues in iavf_disable_vf
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: iavf: free q_vectors before queues in iavf_disable_vf iavf_free_queues() clears adapter->num_active_queues, which iavf_free_q_vectors() relies on, so swap the order of these two function calls in iavf_disable_vf(). This resolves a panic encountered when the interface is disabled and then later brought up again after PF communication is restored.
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,该漏洞源于函数iavf_free_q_vectors存在安全漏洞。
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 65c7006f234c9ede887d468f595f259a5c5cc552 ~ 926e8c83d4c1c2dac0026637eb0d492df876489e -
LinuxLinux 4.13 -
II. Public POCs for CVE-2021-47201
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III. Intelligence Information for CVE-2021-47201
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IV. Related Vulnerabilities
V. Comments for CVE-2021-47201

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