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medium5.5

CVE-2022-49680

In the Linux kernel, the following vulnerability has been resolved: ARM: exynos: Fix refcount leak in exynos_map_pmu of_find_matching_node() returns a node poi…

Impact

In the Linux kernel, the following vulnerability has been resolved: ARM: exynos: Fix refcount leak in exynos_map_pmu 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 products

VendorProductAffected versions
LinuxLinux Kernel
from 3.17 before 4.9.321
from 4.10 before 4.14.286
from 4.15 before 4.19.250
from 4.20 before 5.4.202
from 5.5 before 5.10.127
from 5.11 before 5.15.51

References