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I. Basic Information for CVE-2021-46918
Vulnerability Information

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Vulnerability Title
dmaengine: idxd: clear MSIX permission entry on shutdown
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: clear MSIX permission entry on shutdown Add disabling/clearing of MSIX permission entries on device shutdown to mirror the enabling of the MSIX entries on probe. Current code left the MSIX enabled and the pasid entries still programmed at device shutdown.
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,该漏洞源于添加在设备关闭时禁用/清除 MSIX 权限条目,以镜像在探测器上启用 MSIX 条目。
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 8e50d392652f20616a136165dff516b86baf5e49 ~ c84b8982d7aa9b4717dc36a1c6cbc93ee153b500 -
LinuxLinux 5.11 -
II. Public POCs for CVE-2021-46918
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III. Intelligence Information for CVE-2021-46918
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IV. Related Vulnerabilities
V. Comments for CVE-2021-46918

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