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Vulnerability · Published Feb 26, 2025 · Assigned by Linux

CVE-2022-49431powerpc/iommu: Add missing of_node_put in iommu_init_early_dart

Medium 5.5

In plain English

A medium-severity security flaw in Linux from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 19% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.3%top 80.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux5.18.5-1DEBIAN-CVE-2022-49431
Debian:13linux5.18.5-1DEBIAN-CVE-2022-49431
Debian:14linux5.18.5-1DEBIAN-CVE-2022-49431
Ubuntu:22.04:LTSlinux5.15.0-47.51UBUNTU-CVE-2022-49431
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2022-49431
Ubuntu:22.04:LTSlinux-aws5.15.0-1019.23UBUNTU-CVE-2022-49431
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2022-49431
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2022-49431
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2022-49431
Ubuntu:22.04:LTSlinux-azure5.15.0-1019.24UBUNTU-CVE-2022-49431
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2022-49431
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2022-49431
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2022-49431
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2022-49431
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2022-49431
Ubuntu:22.04:LTSlinux-gcp5.15.0-1017.23UBUNTU-CVE-2022-49431
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2022-49431
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2022-49431
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2022-49431
Ubuntu:22.04:LTSlinux-gke5.15.0-1015.18UBUNTU-CVE-2022-49431
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1002.4UBUNTU-CVE-2022-49431
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2022-49431
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2022-49431
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2022-49431
Ubuntu:22.04:LTSlinux-ibm5.15.0-1013.15UBUNTU-CVE-2022-49431
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2022-49431
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1015.20UBUNTU-CVE-2022-49431
Ubuntu:22.04:LTSlinux-kvm5.15.0-1017.21UBUNTU-CVE-2022-49431
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-47.53UBUNTU-CVE-2022-49431
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2022-49431
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2022-49431
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2022-49431
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1007.7UBUNTU-CVE-2022-49431
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2022-49431
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2022-49431
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2022-49431
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2022-49431
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2022-49431
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2022-49431
Ubuntu:22.04:LTSlinux-oracle5.15.0-1017.22UBUNTU-CVE-2022-49431
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2022-49431
Ubuntu:22.04:LTSlinux-raspi5.15.0-1014.16UBUNTU-CVE-2022-49431
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2022-49431
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2022-49431
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2022-49431
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2022-49431
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2022-49431
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2022-49431
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2022-49431
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2022-49431

Affected products (as reported)

VendorProductVersions
Linux Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before cb4f2dc513e99c5d0485661f114e4dda73612d101da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before dfc308d6f29aa28463deb9a12278a85a382385ca1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before df6d8b689252c0acc0448d4ae3d33f2d6db048ab1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before 8657e8ea23325949091da72453ba84fb73cc2bd91da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before 7e3f1dfb9e21733d7276bc9ccea4daada163f2ba1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before 57b742a5b8945118022973e6416b71351df512fb
Linux Linux 2.6.12

References