CVE-2022-49650

dmaengine: qcom: bam_dma: fix runtime PM underflow

Description

In the Linux kernel, the following vulnerability has been resolved: dmaengine: qcom: bam_dma: fix runtime PM underflow Commit dbad41e7bb5f ("dmaengine: qcom: bam_dma: check if the runtime pm enabled") caused unbalanced pm_runtime_get/put() calls when the bam is controlled remotely. This commit reverts it and just enables pm_runtime in all cases, the clk_* functions already just nop when the clock is NULL. Also clean up a bit by removing unnecessary bamclk null checks.

N/A

CVSS

Severity:

EPSS 0.05%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/2f6ded79068cac8cff41d5d5632564165d98ee12
https://git.kernel.org/stable/c/b702a1077b51fcb39507cc3bd39206f539319a96
https://git.kernel.org/stable/c/0ac9c3dd0d6fe293cd5044cfad10bec27d171e4e

Frequently Asked Questions

What is the severity of CVE-2022-49650?: CVE-2022-49650 has not yet been assigned a CVSS score.
How to fix CVE-2022-49650?: To fix CVE-2022-49650, 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-2022-49650 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2022-49650 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-2022-49650?: CVE-2022-49650 affects Linux Linux, Linux Linux.

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