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Vulnerability · Published Feb 26, 2025 · Assigned by Linux

CVE-2022-49719irqchip/gic/realview: Fix refcount leak in realview_gic_of_init

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 3.1)5.5Medium
Exploit odds (30 days)0.3%top 81.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

In the Linux kernel, the following vulnerability has been resolved: irqchip/gic/realview: Fix refcount leak in realview_gic_of_init of_find_matching_node_and_match() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. Add missing of_node_put() to avoid refcount leak.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux5.18.14-1DEBIAN-CVE-2022-49719
Debian:13linux5.18.14-1DEBIAN-CVE-2022-49719
Debian:14linux5.18.14-1DEBIAN-CVE-2022-49719
Ubuntu:22.04:LTSlinux5.15.0-48.54UBUNTU-CVE-2022-49719
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2022-49719
Ubuntu:22.04:LTSlinux-aws5.15.0-1020.24UBUNTU-CVE-2022-49719
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2022-49719
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2022-49719
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2022-49719
Ubuntu:22.04:LTSlinux-azure5.15.0-1020.25UBUNTU-CVE-2022-49719
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2022-49719
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2022-49719
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2022-49719
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1024.30.1UBUNTU-CVE-2022-49719
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2022-49719
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2022-49719
Ubuntu:22.04:LTSlinux-gcp5.15.0-1018.24UBUNTU-CVE-2022-49719
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2022-49719
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2022-49719
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2022-49719
Ubuntu:22.04:LTSlinux-gke5.15.0-1016.19UBUNTU-CVE-2022-49719
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1003.5UBUNTU-CVE-2022-49719
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2022-49719
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2022-49719
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2022-49719
Ubuntu:22.04:LTSlinux-ibm5.15.0-1015.17UBUNTU-CVE-2022-49719
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2022-49719
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1016.21UBUNTU-CVE-2022-49719
Ubuntu:22.04:LTSlinux-kvm5.15.0-1018.22UBUNTU-CVE-2022-49719
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-48.54UBUNTU-CVE-2022-49719
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2022-49719
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2022-49719
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2022-49719
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1007.7UBUNTU-CVE-2022-49719
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2022-49719
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2022-49719
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2022-49719
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2022-49719
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2022-49719
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2022-49719
Ubuntu:22.04:LTSlinux-oracle5.15.0-1018.23UBUNTU-CVE-2022-49719
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2022-49719
Ubuntu:22.04:LTSlinux-raspi5.15.0-1015.17UBUNTU-CVE-2022-49719
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2022-49719
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2022-49719
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2022-49719
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2022-49719
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2022-49719
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2022-49719
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2022-49719
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2022-49719

Affected products (as reported)

VendorProductVersions
Linux Linux 82b0a434b436f5da69ddd24bd6a6fa5dc4484310 – before 87da903ce632d5689bef66d56ee5dae700d8210482b0a434b436f5da69ddd24bd6a6fa5dc4484310 – before 486f68f85085d9b16ae097679b1486dcb1b6eb6982b0a434b436f5da69ddd24bd6a6fa5dc4484310 – before b634af84bc1edece4e63317b0ad95618dd3a869382b0a434b436f5da69ddd24bd6a6fa5dc4484310 – before 56526c3883fc7a1f5898b1d40a02c8b8685a5d9282b0a434b436f5da69ddd24bd6a6fa5dc4484310 – before e52a58b79f11755ea7e877015c4a1704303fa55f82b0a434b436f5da69ddd24bd6a6fa5dc4484310 – before 5d38720661a4b9c87705c206a6081177ffb8ec1d82b0a434b436f5da69ddd24bd6a6fa5dc4484310 – before 16b603cb8d34c2d917983918db1f88c8b831baaa82b0a434b436f5da69ddd24bd6a6fa5dc4484310 – before f4b98e314888cc51486421bcf6d52852452ea48b
Linux Linux 4.6

References