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I. Basic Information for CVE-2025-39743
Vulnerability Information

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Vulnerability Title
jfs: truncate good inode pages when hard link is 0
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: jfs: truncate good inode pages when hard link is 0 The fileset value of the inode copy from the disk by the reproducer is AGGR_RESERVED_I. When executing evict, its hard link number is 0, so its inode pages are not truncated. This causes the bugon to be triggered when executing clear_inode() because nrpages is greater than 0.
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,该漏洞源于硬链接数为0时未截断inode页面,可能导致触发bugon。
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 32983696a48a6c41d99f3eca82ba7510a552d843 ~ 89fff8e3d6710fc32507b8e19eb5afa9fb79b896 -
LinuxLinux 2.6.14 -
II. Public POCs for CVE-2025-39743
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III. Intelligence Information for CVE-2025-39743
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IV. Related Vulnerabilities
V. Comments for CVE-2025-39743

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