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I. Basic Information for CVE-2022-50402
Vulnerability Information

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Vulnerability Title
drivers/md/md-bitmap: check the return value of md_bitmap_get_counter()
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: drivers/md/md-bitmap: check the return value of md_bitmap_get_counter() Check the return value of md_bitmap_get_counter() in case it returns NULL pointer, which will result in a null pointer dereference. v2: update the check to include other dereference
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,该漏洞源于未检查md_bitmap_get_counter返回值,可能导致空指针取消引用。
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 d60b479d177a5735b6b4db6ee5280ef6653f50e7 ~ 21e9aac9a74d30907d44bae0d24c036cb3819406 -
LinuxLinux 3.5 -
II. Public POCs for CVE-2022-50402
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III. Intelligence Information for CVE-2022-50402
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IV. Related Vulnerabilities
V. Comments for CVE-2022-50402

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