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CVE-2021-47051

UNKNOWN
Published 2024-02-28T08:13:53.461Z
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No CVSS data available

Description

In 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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Linux

Linux

Affected Versions:

944c01a889d97dc08e1b71f4ed868f4023fd6034 944c01a889d97dc08e1b71f4ed868f4023fd6034 944c01a889d97dc08e1b71f4ed868f4023fd6034 944c01a889d97dc08e1b71f4ed868f4023fd6034 944c01a889d97dc08e1b71f4ed868f4023fd6034
Linux

Linux

Affected Versions:

5.2 0 5.4.119 5.10.37 5.11.21 5.12.4 5.13

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed MODERATE

GHSA-5m36-66x4-phpf

Advisory Details

In 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 Scoring

CVSS Score

5.0

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-47051
WEB https://git.kernel.org/stable/c/4a01ad002d2e03c399af536562693752af7c81b1
WEB https://git.kernel.org/stable/c/6a2b5cee0d31ab6cc51030c441135b0e31217282
WEB https://git.kernel.org/stable/c/a03675497970a93fcf25d81d9d92a59c2d7377a7
WEB https://git.kernel.org/stable/c/b8207bfc539cd07d15e753ff2d179c5b61c673b1
WEB https://git.kernel.org/stable/c/ce02e58ddf8658a4c3bed2296f32a5873b3f7cce

Advisory provided by GitHub Security Advisory Database. Published: February 28, 2024, Modified: December 9, 2024

References

https://git.kernel.org/stable/c/4a01ad002d2e03c399af536562693752af7c81b1
https://git.kernel.org/stable/c/ce02e58ddf8658a4c3bed2296f32a5873b3f7cce
https://git.kernel.org/stable/c/b8207bfc539cd07d15e753ff2d179c5b61c673b1
https://git.kernel.org/stable/c/6a2b5cee0d31ab6cc51030c441135b0e31217282
https://git.kernel.org/stable/c/a03675497970a93fcf25d81d9d92a59c2d7377a7
Published: 2024-02-28T08:13:53.461Z
Last Modified: 2025-05-04T07:03:12.356Z
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