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I. Basic Information for CVE-2021-47420
Vulnerability Information

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Vulnerability Title
drm/amdkfd: fix a potential ttm->sg memory leak
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: fix a potential ttm->sg memory leak Memory is allocated for ttm->sg by kmalloc in kfd_mem_dmamap_userptr, but isn't freed by kfree in kfd_mem_dmaunmap_userptr. Free it!
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drm/amdkfd模块内存泄漏。
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 264fb4d332f5e76743818480e482464437837c52 ~ 7e5ce6029b627efb4a004746cfdc1eeff850e6eb -
LinuxLinux 5.14 -
II. Public POCs for CVE-2021-47420
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III. Intelligence Information for CVE-2021-47420
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IV. Related Vulnerabilities
V. Comments for CVE-2021-47420

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