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I. Basic Information for CVE-2025-38561
Vulnerability Information
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Vulnerability Title
ksmbd: fix Preauh_HashValue race condition
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix Preauh_HashValue race condition If client send multiple session setup requests to ksmbd, Preauh_HashValue race condition could happen. There is no need to free sess->Preauh_HashValue at session setup phase. It can be freed together with session at connection termination phase.
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Preauh_HashValue存在竞争条件，可能导致数据损坏。
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 0626e6641f6b467447c81dd7678a69c66f7746cf ~ fbf5c0845ed15122a770bca9be1d9b60b470d3aa -
LinuxLinux 5.15 -
II. Public POCs for CVE-2025-38561
#POC DescriptionSource LinkShenlong Link
1 ksmbd: Preauh_HashValue race condition If client send multiple session setup requests to ksmbd, Preauh_HashValue race condition could happen.https://github.com/toshithh/CVE-2025-38561POC Details
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III. Intelligence Information for CVE-2025-38561
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IV. Related Vulnerabilities
Same product: Linux
Same vendor: Linux
V. Comments for CVE-2025-38561

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