What is CVE-2021-47051?

CVE-2021-47051 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2024-02-28.

How severe is CVE-2021-47051?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Linux

CVE-2021-47051

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.

EPSS: 0.002 (13.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Linux — versions 944c01a889d97dc08e1b71f4ed868f4023fd6034, 5.2, 0
Linux Linux_kernel

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2021-47051?: CVE-2021-47051 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2024-02-28.
How severe is CVE-2021-47051?: Medium severity. CVSS v3 base score is 5.5 out of 10.