CVE-2022-49668

MEDIUM

Linux Kernel - Refcount Leak in exynos-ppmu

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: PM / devfreq: exynos-ppmu: Fix refcount leak in of_get_devfreq_events of_get_child_by_name() returns a node pointer with refcount incremented, we should use of_node_put() on it when done. This function only calls of_node_put() in normal path, missing it in error paths. Add missing of_node_put() to avoid refcount leak.

Scores

CVSS v3 5.5
EPSS 0.0026
EPSS Percentile 17.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

Status published
Products (18)
linux/Kernel 4.0.0 - 5.4.204linux
linux/Kernel 5.11.0 - 5.15.53linux
linux/Kernel 5.16.0 - 5.18.10linux
linux/Kernel 5.5.0 - 5.10.129linux
Linux/Linux < 4.0
Linux/Linux 4.0
Linux/Linux 5.10.129 - 5.10.*
Linux/Linux 5.15.53 - 5.15.*
Linux/Linux 5.18.10 - 5.18.*
Linux/Linux 5.19
... and 8 more
Published Feb 26, 2025
Tracked Since Feb 18, 2026