CVE-2022-50141

Summary

In the Linux kernel, the following vulnerability has been resolved:

mmc: sdhci-of-esdhc: Fix refcount leak in esdhc_signal_voltage_switch

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. of_node_put() checks null pointer.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxea35645a3c66a74af92d3bbb4eb131220fc3e58a < a63d5d01e83b984b1b9c7ae8fc9c8c93697a3820affected
LinuxLinuxea35645a3c66a74af92d3bbb4eb131220fc3e58a < 547db1dd98d1815574ebea7358015a17199a93bcaffected
LinuxLinuxea35645a3c66a74af92d3bbb4eb131220fc3e58a < 4c472a2c9ed6ea9d272268d7f484d4303c549f1aaffected
LinuxLinuxea35645a3c66a74af92d3bbb4eb131220fc3e58a < b305475df756256a186623f0991d05a816de881aaffected
LinuxLinuxea35645a3c66a74af92d3bbb4eb131220fc3e58a < 352377cf74710bc3368dddf78f17210dfe456933affected
LinuxLinuxea35645a3c66a74af92d3bbb4eb131220fc3e58a < b074f1e8060836baeb0ee91181f4194b9a0ee16aaffected
LinuxLinuxea35645a3c66a74af92d3bbb4eb131220fc3e58a < 8b902840f6a3584f702bcb59834691b30f3d7c5aaffected
LinuxLinuxea35645a3c66a74af92d3bbb4eb131220fc3e58a < b5899a3e2f783a27b268e38d37f9b24c71bddf45affected
LinuxLinux4.12affected
LinuxLinux0 < 4.12unaffected
LinuxLinux4.14.291 <= 4.14.*unaffected
LinuxLinux4.19.256 <= 4.19.*unaffected
LinuxLinux5.4.211 <= 5.4.*unaffected
LinuxLinux5.10.137 <= 5.10.*unaffected
LinuxLinux5.15.61 <= 5.15.*unaffected
LinuxLinux5.18.18 <= 5.18.*unaffected
LinuxLinux5.19.2 <= 5.19.*unaffected
LinuxLinux6.0 <= *unaffected

Weaknesses

References