CVE-2022-49431

MEDIUM

Linux Kernel - Refcount Leak in PowerPC IOMMU DART Initialization

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: powerpc/iommu: Add missing of_node_put in iommu_init_early_dart The device_node pointer is returned by of_find_compatible_node with refcount incremented. We should use of_node_put() to avoid the refcount leak.

Scores

CVSS v3 5.5
EPSS 0.0026
EPSS Percentile 18.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

Status published
Products (20)
linux/Kernel 2.6.12 - 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 < 2.6.12
Linux/Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - 57b742a5b8945118022973e6416b71351df512fb
Linux/Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - 7e3f1dfb9e21733d7276bc9ccea4daada163f2ba
Linux/Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - 8657e8ea23325949091da72453ba84fb73cc2bd9
Linux/Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - cb4f2dc513e99c5d0485661f114e4dda73612d10
... and 10 more
Published Feb 26, 2025
Tracked Since Feb 18, 2026