VYPR
Unrated severityNVD Advisory· Published Feb 28, 2024· Updated May 4, 2025

spi: fsl-lpspi: Fix PM reference leak in lpspi_prepare_xfer_hardware()

CVE-2021-47051

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.

Affected products

68

Patches

0

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

5

News mentions

0

No linked articles in our index yet.