CVE-2022-49678

soc: bcm: brcmstb: pm: pm-arm: Fix refcount leak in brcmstb_pm_probe

Description

In the Linux kernel, the following vulnerability has been resolved: soc: bcm: brcmstb: pm: pm-arm: Fix refcount leak in brcmstb_pm_probe of_find_matching_node() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. Add missing of_node_put() to avoid refcount leak. In brcmstb_init_sram, it pass dn to of_address_to_resource(), of_address_to_resource() will call of_find_device_by_node() to take reference, so we should release the reference returned by of_find_matching_node().

5.5

CVSS

Severity: Medium

CVSS 3.1 •

EPSS 0.02%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/4f5877bdf7b593e988f1924f4c3df6523f80b39c	patch
https://git.kernel.org/stable/c/734a4d15142bb4c8ecad2d8ec70d7564e78ae34d	patch
https://git.kernel.org/stable/c/30bbfeb480ae8b5ee43199d72417b232590440c2	patch
https://git.kernel.org/stable/c/10ba9d499a9fd82ed40897e734ba19870a879407	patch
https://git.kernel.org/stable/c/dcafd5463d8f20c4f90ddc138a5738adb99f74c8	patch
https://git.kernel.org/stable/c/37d838de369b07b596c19ff3662bf0293fdb09ee	patch

Frequently Asked Questions

What is the severity of CVE-2022-49678?: CVE-2022-49678 has been scored as a medium severity vulnerability.
How to fix CVE-2022-49678?: To fix CVE-2022-49678, 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-2022-49678 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2022-49678 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-2022-49678?: CVE-2022-49678 affects Linux Linux, Linux Linux.

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