CVE-2021-47051
MediumIn the Linux kernel, the following vulnerability has been resolved: spi: fsl-lpspi: Fix PM reference leak in lpspi_prepare_xfer_hardware() pm_runtime_get_sync will increment pm usage counter even it failed. Forgetting to putting operation will result in reference leak here. Fix it by replacing it with pm_runtime_resume_and_get to keep usage counter balanced.
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-2021-47051 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/4a01ad002d2e03c399af536562693752af7c81b1
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PatchKernel patch commithttps://git.kernel.org/stable/c/6a2b5cee0d31ab6cc51030c441135b0e31217282
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PatchKernel patch commithttps://git.kernel.org/stable/c/a03675497970a93fcf25d81d9d92a59c2d7377a7
Frequently asked questions
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What is CVE-2021-47051?
CVE-2021-47051 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . CVE-2021-47051 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-2021-47051?
CVE-2021-47051 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-2021-47051?
No patch is currently available for CVE-2021-47051. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
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Is CVE-2021-47051 actively exploited?
No — CVE-2021-47051 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.