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Vulnerability · Published Feb 26, 2025 · Assigned by Linux

CVE-2022-49342net: ethernet: bgmac: Fix refcount leak in bcma_mdio_mii_register

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 18% 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 82.3% 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: net: ethernet: bgmac: Fix refcount leak in bcma_mdio_mii_register of_get_child_by_name() 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:12linux5.18.5-1DEBIAN-CVE-2022-49342
Debian:13linux5.18.5-1DEBIAN-CVE-2022-49342
Debian:14linux5.18.5-1DEBIAN-CVE-2022-49342
Ubuntu:22.04:LTSlinuxno fix listedUBUNTU-CVE-2022-49342
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2022-49342
Ubuntu:22.04:LTSlinux-awsno fix listedUBUNTU-CVE-2022-49342
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2022-49342
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2022-49342
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2022-49342
Ubuntu:22.04:LTSlinux-azureno fix listedUBUNTU-CVE-2022-49342
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2022-49342
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2022-49342
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2022-49342
Ubuntu:22.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2022-49342
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2022-49342
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2022-49342
Ubuntu:22.04:LTSlinux-gcpno fix listedUBUNTU-CVE-2022-49342
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2022-49342
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2022-49342
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2022-49342
Ubuntu:22.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2022-49342
Ubuntu:22.04:LTSlinux-gkeopno fix listedUBUNTU-CVE-2022-49342
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2022-49342
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2022-49342
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2022-49342
Ubuntu:22.04:LTSlinux-ibmno fix listedUBUNTU-CVE-2022-49342
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2022-49342
Ubuntu:22.04:LTSlinux-intel-iotgno fix listedUBUNTU-CVE-2022-49342
Ubuntu:22.04:LTSlinux-kvmno fix listedUBUNTU-CVE-2022-49342
Ubuntu:22.04:LTSlinux-lowlatencyno fix listedUBUNTU-CVE-2022-49342
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2022-49342
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2022-49342
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2022-49342
Ubuntu:22.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2022-49342
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2022-49342
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2022-49342
Ubuntu:22.04:LTSlinux-nvidia-tegrano fix listedUBUNTU-CVE-2022-49342
Ubuntu:22.04:LTSlinux-nvidia-tegra-igxno fix listedUBUNTU-CVE-2022-49342
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2022-49342
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2022-49342
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2022-49342
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2022-49342
Ubuntu:22.04:LTSlinux-oracleno fix listedUBUNTU-CVE-2022-49342
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2022-49342
Ubuntu:22.04:LTSlinux-raspino fix listedUBUNTU-CVE-2022-49342
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2022-49342
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2022-49342
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2022-49342
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2022-49342
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2022-49342
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2022-49342
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2022-49342
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2022-49342
Ubuntu:22.04:LTSlinux-xilinx-zynqmpno fix listedUBUNTU-CVE-2022-49342

Affected products (as reported)

VendorProductVersions
Linux Linux 55954f3bfdacc5908515b0c306cea23e77fab740 – before b51996e35bbfcc7a27d94dfeed5cc2429b2c0df455954f3bfdacc5908515b0c306cea23e77fab740 – before 7fb1fe7d9a167205413f1de8db9f7d0f82c7828655954f3bfdacc5908515b0c306cea23e77fab740 – before b8d91399775c55162073bb2aca061ec42e3d4bc1
Linux Linux 4.8

References