CVE-2022-49438

MEDIUM

Linux Kernel - Refcount Leak in bbc_beep_probe via of_find_node_by_path

Title source: llm
STIX 2.1

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.

References (9)

Core 9

Scores

CVSS v3 5.5
EPSS 0.0027
EPSS Percentile 19.0%
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 (29)
linux/Kernel 2.6.26 - 4.9.318linux
linux/Kernel 4.10.0 - 4.14.283linux
linux/Kernel 4.15.0 - 4.19.247linux
linux/Kernel 4.20.0 - 5.4.198linux
linux/Kernel 5.11.0 - 5.15.46linux
linux/Kernel 5.16.0 - 5.17.14linux
linux/Kernel 5.18.0 - 5.18.3linux
linux/Kernel 5.5.0 - 5.10.121linux
Linux/Linux < 2.6.26
Linux/Linux 2.6.26
... and 19 more
Published Feb 26, 2025
Tracked Since Feb 18, 2026