CVE-2021-46917
MediumIn 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.
CVSS 3.1 score
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness type
CWE-668CVE-2021-46917 is classified as CWE-668
See CWE-668 on MITRE CWE for full details on this weakness type.
References
The following references provide additional information about CVE-2021-46917 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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PatchKernel patch commithttps://git.kernel.org/stable/c/e5eb9757fe4c2392e069246ae78badc573af1833
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PatchKernel patch commithttps://git.kernel.org/stable/c/ea9aadc06a9f10ad20a90edc0a484f1147d88a7a
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PatchKernel patch commithttps://git.kernel.org/stable/c/f7dc8f5619165e1fa3383d0c2519f502d9e2a1a9
Frequently asked questions
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What is CVE-2021-46917?
CVE-2021-46917 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . CVE-2021-46917 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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What is the CVSS score for CVE-2021-46917?
CVE-2021-46917 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N. -
Is there a patch available for CVE-2021-46917?
No patch is currently available for CVE-2021-46917. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
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Is CVE-2021-46917 actively exploited?
No — CVE-2021-46917 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.