CVE-2020-36780

i2c: sprd: fix reference leak when pm_runtime_get_sync fails

Description

In the Linux kernel, the following vulnerability has been resolved: i2c: sprd: fix reference leak when pm_runtime_get_sync fails The PM reference count is not expected to be incremented on return in sprd_i2c_master_xfer() and sprd_i2c_remove(). However, pm_runtime_get_sync will increment the 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.

4.7

CVSS

Severity: Medium

CVSS 3.1 •

EPSS 0.01%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/7e1764312440c5df9dfe6b436035a03673b0c1b9	patch
https://git.kernel.org/stable/c/e547640cee7981fd751d2c9cde3a61bdb678b755	patch
https://git.kernel.org/stable/c/9223505e938ba3db5907e058f4209770cff2f2a7	patch
https://git.kernel.org/stable/c/d3406ab52097328a3bc4cbe124bfd8f6d51fb86f	patch
https://git.kernel.org/stable/c/3a4f326463117cee3adcb72999ca34a9aaafda93	patch

Frequently Asked Questions

What is the severity of CVE-2020-36780?: CVE-2020-36780 has been scored as a medium severity vulnerability.
How to fix CVE-2020-36780?: To fix CVE-2020-36780, 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-2020-36780 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2020-36780 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-2020-36780?: CVE-2020-36780 affects Linux Linux, Linux Linux.

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