CVE-2022-49676 Information

Description

In the Linux kernel the following vulnerability has been resolved:

memory: samsung: exynos5422-dmc: Fix refcount leak in of_get_dram_timings

of_parse_phandle() returns a node pointer with refcount incremented we should use of_node_put() on it when not need anymore. This function doesn’t call of_node_put() in some error paths. To unify the structure Add put_node label and goto it on errors.

Reference

https://git.kernel.org/stable/c/1332661e09304b7b8e84e5edc11811ba08d12abe https://git.kernel.org/stable/c/889aad2203e09eed2071ca8985c25e9d6aea5735 https://git.kernel.org/stable/c/bb2a481778c60f912c363e271ae46b55ff8132db https://git.kernel.org/stable/c/cde4480b5ab06195b9164184b0c02ced71e601b4