CVE-2022-49716

MEDIUM

Linux Kernel 5.4-5.19 Refcount Leak via gic_populate_ppi_partitions Error Handling

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: irqchip/gic-v3: Fix error handling in gic_populate_ppi_partitions of_get_child_by_name() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. When kcalloc fails, it missing of_node_put() and results in refcount leak. Fix this by goto out_put_node label.

References (5)

Core 5

Scores

CVSS v3 5.5
EPSS 0.0028
EPSS Percentile 20.3%
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 5.11.0 - 5.15.49linux
linux/Kernel 5.16.0 - 5.18.6linux
linux/Kernel 5.4.0 - 5.4.200linux
linux/Kernel 5.5.0 - 5.10.124linux
Linux/Linux < 5.4
Linux/Linux 5.10.124 - 5.10.*
Linux/Linux 5.15.49 - 5.15.*
Linux/Linux 5.18.6 - 5.18.*
Linux/Linux 5.19
Linux/Linux 5.4
... and 8 more
Published Feb 26, 2025
Tracked Since Feb 18, 2026