CVE-2020-36781

i2c: imx: fix reference leak when pm_runtime_get_sync fails

Description

In the Linux kernel, the following vulnerability has been resolved: i2c: imx: fix reference leak when pm_runtime_get_sync fails In i2c_imx_xfer() and i2c_imx_remove(), the pm reference count is not expected to be incremented on return. However, pm_runtime_get_sync will increment pm reference count even failed. Forgetting to putting operation will result in a reference leak here. Replace it with pm_runtime_resume_and_get to keep usage counter balanced.

5.5

CVSS

Severity: Medium

CVSS 3.1 •

EPSS 0.02%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/3a0cdd336d92c429b51a79bf4f64b17eafa0325d	patch
https://git.kernel.org/stable/c/1ecc0ebc2ebbad4a22a670a07d27a21fa0b59c77	patch
https://git.kernel.org/stable/c/ff406f6cd09c273337ab4854292e4aca48f8affd	patch
https://git.kernel.org/stable/c/47ff617217ca6a13194fcb35c6c3a0c57c080693	patch

Frequently Asked Questions

What is the severity of CVE-2020-36781?: CVE-2020-36781 has been scored as a medium severity vulnerability.
How to fix CVE-2020-36781?: To fix CVE-2020-36781, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-36781 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2020-36781 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-36781?: CVE-2020-36781 affects Linux Linux, Linux Linux.

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