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I. Basic Information for CVE-2025-40093
Vulnerability Information

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Vulnerability Title
usb: gadget: f_ecm: Refactor bind path to use __free()
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: usb: gadget: f_ecm: Refactor bind path to use __free() After an bind/unbind cycle, the ecm->notify_req is left stale. If a subsequent bind fails, the unified error label attempts to free this stale request, leading to a NULL pointer dereference when accessing ep->ops->free_request. Refactor the error handling in the bind path to use the __free() automatic cleanup mechanism.
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,该漏洞源于未正确清理ecm->notify_req请求,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 da741b8c56d612b5dd26ffa31341911a5fea23ee ~ d3745aaef19198d0c81637a7dd50ef53c4f879b7 -
LinuxLinux 2.6.27 -
II. Public POCs for CVE-2025-40093
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III. Intelligence Information for CVE-2025-40093
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IV. Related Vulnerabilities
V. Comments for CVE-2025-40093

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