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I. Basic Information for CVE-2025-21842
Vulnerability Information

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Vulnerability Title
amdkfd: properly free gang_ctx_bo when failed to init user queue
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: amdkfd: properly free gang_ctx_bo when failed to init user queue The destructor of a gtt bo is declared as void amdgpu_amdkfd_free_gtt_mem(struct amdgpu_device *adev, void **mem_obj); Which takes void** as the second parameter. GCC allows passing void* to the function because void* can be implicitly casted to any other types, so it can pass compiling. However, passing this void* parameter into the function's execution process(which expects void** and dereferencing void**) will result in errors.
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amdkfd模块在初始化用户队列失败时未正确释放gang_ctx_bo。
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 fb91065851cd5f2735348c5f3eddeeca3d7c2973 ~ ae5ab1c1ae504f622cc1ff48830a9ed48428146d -
LinuxLinux 6.12 -
II. Public POCs for CVE-2025-21842
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III. Intelligence Information for CVE-2025-21842
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IV. Related Vulnerabilities
V. Comments for CVE-2025-21842

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