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I. Basic Information for CVE-2021-46917
Vulnerability Information

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Vulnerability Title
dmaengine: idxd: fix wq cleanup of WQCFG registers
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: fix wq cleanup of WQCFG registers A pre-release silicon erratum workaround where wq reset does not clear WQCFG registers was leaked into upstream code. Use wq reset command instead of blasting the MMIO region. This also address an issue where we clobber registers in future devices.
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 wq 重置不会清除 WQCFG 寄存器。
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 da32b28c95a79e399e18c03f8178f41aec9c66e4 ~ e5eb9757fe4c2392e069246ae78badc573af1833 -
LinuxLinux 5.8 -
II. Public POCs for CVE-2021-46917
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III. Intelligence Information for CVE-2021-46917
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IV. Related Vulnerabilities
V. Comments for CVE-2021-46917

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