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I. Basic Information for CVE-2021-47002
Vulnerability Information

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Vulnerability Title
SUNRPC: Fix null pointer dereference in svc_rqst_free()
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Fix null pointer dereference in svc_rqst_free() When alloc_pages_node() returns null in svc_rqst_alloc(), the null rq_scratch_page pointer will be dereferenced when calling put_page() in svc_rqst_free(). Fix it by adding a null check. Addresses-Coverity: ("Dereference after null check")
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 svc_rqst_free() 中存在空指针取消引用。
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 79e4e0d489c8e72b9efa388e504a036eec1550c6 ~ 3de81c1e84bf84803308da3272a829a7655c5336 -
LinuxLinux 5.11 -
II. Public POCs for CVE-2021-47002
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III. Intelligence Information for CVE-2021-47002
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IV. Related Vulnerabilities
V. Comments for CVE-2021-47002

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