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I. Basic Information for CVE-2025-37899
Vulnerability Information
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Vulnerability Title
ksmbd: fix use-after-free in session logoff
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in session logoff The sess->user object can currently be in use by another thread, for example if another connection has sent a session setup request to bind to the session being free'd. The handler for that connection could be in the smb2_sess_setup function which makes use of sess->user.
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ksmbd在会话注销时未正确处理sess->user引用，可能导致释放后重用。
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 0626e6641f6b467447c81dd7678a69c66f7746cf ~ 931dc8a3670f71c45c0b1379ea4e92dafbda1aca -
LinuxLinux 5.15 -
II. Public POCs for CVE-2025-37899
#POC DescriptionSource LinkShenlong Link
1Artefacts for blog post on finding CVE-2025-37899 with o3https://github.com/SeanHeelan/o3_finds_cve-2025-37899POC Details
2Nonehttps://github.com/vett3x/SMB-LINUX-CVE-2025-37899POC Details
3Artefacts for blog post on finding CVE-2025-37899 with o3https://github.com/ccss17/o3_finds_cve-2025-37899POC Details
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III. Intelligence Information for CVE-2025-37899
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IV. Related Vulnerabilities
Same product: Linux
Same vendor: Linux
V. Comments for CVE-2025-37899

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