CVE-2022-49244

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A issue in the Linux kernel's ASoC subsystem, specifically in the mt8192-mt6359 driver, has been identified. The problem arises from incorrect error handling in the mt8192 mt6359 dev probe function. The of parse phandle() function returns a device node pointer with an incremented refcount, which should be decremented using of node put() when no longer needed. However, of node put() is only called in the regular execution path, leading to a refcount leak in error paths.

Recommendations For the affected Linux kernel versions, ensure that the of node put() function is called in both regular and error handling paths of the mt8192 mt6359 dev probe function to prevent refcount leaks. At the moment, there is no information about a newer version that contains a fix for this vulnerability.