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I. Basic Information for CVE-2025-21665
Vulnerability Information

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Vulnerability Title
filemap: avoid truncating 64-bit offset to 32 bits
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: filemap: avoid truncating 64-bit offset to 32 bits On 32-bit kernels, folio_seek_hole_data() was inadvertently truncating a 64-bit value to 32 bits, leading to a possible infinite loop when writing to an xfs filesystem.
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folio_seek_hole_data函数在32位内核中错误地将64位偏移量截断为32位,这可能导致在向XFS文件系统写入数据时出现无限循环。
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 54fa39ac2e00b1b8c2a7fe72e648773ffa48f76d ~ 64e5fd96330df2ad278d1c4edcca581f26e5f76e -
LinuxLinux 5.12 -
II. Public POCs for CVE-2025-21665
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III. Intelligence Information for CVE-2025-21665
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IV. Related Vulnerabilities
V. Comments for CVE-2025-21665

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