CVE-2022-49438 Information

Description

In the Linux kernel the following vulnerability has been resolved:

Input: sparcspkr - fix refcount leak in bbc_beep_probe

of_find_node_by_path() calls of_find_node_opts_by_path() which returns a node pointer with refcount incremented we should use of_node_put() on it when done. Add missing of_node_put() to avoid refcount leak.

Reference

https://git.kernel.org/stable/c/1124e39fea0e2fdb4202f95b716cb97cc7de7cc7 https://git.kernel.org/stable/c/2f51db16cb740ff90086189a1ef2581eab665591 https://git.kernel.org/stable/c/353bc58ac6c782d4dcde9136a91d1f90867938fe https://git.kernel.org/stable/c/418b6a3e12f75638abc5673eb76cb32127d0ab13 https://git.kernel.org/stable/c/6e07ccc7d56130f760d23f67a70c45366c07debc https://git.kernel.org/stable/c/73d6f42d8d86648bec2e73d34fe1648cb6d23e08 https://git.kernel.org/stable/c/bbc2b0ce6042dd3117827f10ea8cb67e0ab786da https://git.kernel.org/stable/c/c8994b30d71d64d5dcc9bc0edbfdf367171aa96f https://git.kernel.org/stable/c/f13064b0f2c651a3fbb0749932795c6fd21556a8