CVE-2022-49367

net: dsa: mv88e6xxx: Fix refcount leak in mv88e6xxx_mdios_register

Description

In the Linux kernel, the following vulnerability has been resolved: net: dsa: mv88e6xxx: Fix refcount leak in mv88e6xxx_mdios_register of_get_child_by_name() returns a node pointer with refcount incremented, we should use of_node_put() on it when done. mv88e6xxx_mdio_register() pass the device node to of_mdiobus_register(). We don't need the device node after it. Add missing of_node_put() to avoid refcount leak.

5.5

CVSS

Severity: Medium

CVSS 3.1 •

EPSS 0.02%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/dc1cf8c6f9793546696fded437a5b4c84944c48b	patch
https://git.kernel.org/stable/c/86c3c5f8e4bd1325e24f6fba9017cade29933377	patch
https://git.kernel.org/stable/c/a101793994c0a14c70bb4e44c7fda597eeebba0a	patch
https://git.kernel.org/stable/c/42658e47f1abbbe592007d3ba303de466114d0bb	patch
https://git.kernel.org/stable/c/c1df9cb756e5a9ba1841648c44ee5d92306b9c65	patch
https://git.kernel.org/stable/c/e0d763d0c7665c7897e4f5a0847ab0c82543345f	patch
https://git.kernel.org/stable/c/8a1a1255152da4fb934290e7ababc66f24985520	patch
https://git.kernel.org/stable/c/02ded5a173619b11728b8bf75a3fd995a2c1ff28	patch

Frequently Asked Questions

What is the severity of CVE-2022-49367?: CVE-2022-49367 has been scored as a medium severity vulnerability.
How to fix CVE-2022-49367?: To fix CVE-2022-49367, 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-2022-49367 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2022-49367 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-2022-49367?: CVE-2022-49367 affects Linux Linux, Linux Linux.

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