CVE-2021-46919
MediumIn the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: fix wq size store permission state WQ size can only be changed when the device is disabled. Current code allows change when device is enabled but wq is disabled. Change the check to detect device state.
CVSS 3.1 score
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
References
The following references provide additional information about CVE-2021-46919 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/05b7791c4c4aa8304368fdc55ae911f6b34e7281
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PatchKernel patch commithttps://git.kernel.org/stable/c/0fff71c5a311e1264988179f7dcc217fda15fadd
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PatchKernel patch commithttps://git.kernel.org/stable/c/4ecf25595273203010bc8318c4aee60ad64037ae
Frequently asked questions
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What is CVE-2021-46919?
CVE-2021-46919 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . CVE-2021-46919 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-2021-46919?
CVE-2021-46919 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:N/I:N/A:H. -
Is there a patch available for CVE-2021-46919?
No patch is currently available for CVE-2021-46919. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
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Is CVE-2021-46919 actively exploited?
No — CVE-2021-46919 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.