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I. Basic Information for CVE-2025-21844
Vulnerability Information

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Vulnerability Title
smb: client: Add check for next_buffer in receive_encrypted_standard()
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: smb: client: Add check for next_buffer in receive_encrypted_standard() Add check for the return value of cifs_buf_get() and cifs_small_buf_get() in receive_encrypted_standard() to prevent null pointer 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next_buffer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 b03c8099a738a04d2343547ae6a04e5f0f63d3fa ~ f277e479eea3d1aa18bc712abe1d2bf3dece2e30 -
LinuxLinux 6.7 -
II. Public POCs for CVE-2025-21844
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III. Intelligence Information for CVE-2025-21844
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IV. Related Vulnerabilities
V. Comments for CVE-2025-21844

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