Log in Start free

Vulnerability · Published Oct 1, 2025 · Assigned by Linux

CVE-2022-50464mt76: mt7915: Fix PCI device refcount leak in mt7915_pci_init_hif2()

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 0.2% (higher than 5% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.2%top 95.1% 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: mt76: mt7915: Fix PCI device refcount leak in mt7915_pci_init_hif2() As comment of pci_get_device() says, it returns a pci_device with its refcount increased. We need to call pci_dev_put() to decrease the refcount. Save the return value of pci_get_device() and call pci_dev_put() to decrease the refcount.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.1.4-1DEBIAN-CVE-2022-50464
Debian:13linux6.1.4-1DEBIAN-CVE-2022-50464
Debian:14linux6.1.4-1DEBIAN-CVE-2022-50464
Ubuntu:22.04:LTSlinuxno fix listedUBUNTU-CVE-2022-50464
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2022-50464
Ubuntu:22.04:LTSlinux-awsno fix listedUBUNTU-CVE-2022-50464
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2022-50464
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2022-50464
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2022-50464
Ubuntu:22.04:LTSlinux-azureno fix listedUBUNTU-CVE-2022-50464
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2022-50464
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2022-50464
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2022-50464
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2022-50464
Ubuntu:22.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2022-50464
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2022-50464
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2022-50464
Ubuntu:22.04:LTSlinux-gcpno fix listedUBUNTU-CVE-2022-50464
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2022-50464
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2022-50464
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2022-50464
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2022-50464
Ubuntu:22.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2022-50464
Ubuntu:22.04:LTSlinux-gkeopno fix listedUBUNTU-CVE-2022-50464
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2022-50464
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2022-50464
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2022-50464
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2022-50464
Ubuntu:22.04:LTSlinux-ibmno fix listedUBUNTU-CVE-2022-50464
Ubuntu:24.04:LTSlinux-intelno fix listedUBUNTU-CVE-2022-50464
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2022-50464
Ubuntu:22.04:LTSlinux-intel-iotgno fix listedUBUNTU-CVE-2022-50464
Ubuntu:22.04:LTSlinux-kvmno fix listedUBUNTU-CVE-2022-50464
Ubuntu:22.04:LTSlinux-lowlatencyno fix listedUBUNTU-CVE-2022-50464
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2022-50464
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2022-50464
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2022-50464
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2022-50464
Ubuntu:22.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2022-50464
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2022-50464
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2022-50464
Ubuntu:22.04:LTSlinux-nvidia-tegrano fix listedUBUNTU-CVE-2022-50464
Ubuntu:22.04:LTSlinux-nvidia-tegra-igxno fix listedUBUNTU-CVE-2022-50464
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2022-50464
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2022-50464
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2022-50464
Ubuntu:24.04:LTSlinux-oem-6.11no fix listedUBUNTU-CVE-2022-50464
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2022-50464
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2022-50464
Ubuntu:22.04:LTSlinux-oracleno fix listedUBUNTU-CVE-2022-50464
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2022-50464
Ubuntu:22.04:LTSlinux-raspino fix listedUBUNTU-CVE-2022-50464
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2022-50464
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2022-50464
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2022-50464
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2022-50464
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2022-50464
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2022-50464
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2022-50464
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2022-50464
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2022-50464
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2022-50464
Ubuntu:22.04:LTSlinux-xilinx-zynqmpno fix listedUBUNTU-CVE-2022-50464

Affected products (as reported)

VendorProductVersions
Linux Linux 9093cfff72e3e55b703ed38fa1af87c204d89cf1 – before 8abc6579667129afd13ff2ccb0319ba3f46e69959093cfff72e3e55b703ed38fa1af87c204d89cf1 – before 2d4b9c7e81f3a4df27749ebecb426b145e68be2a9093cfff72e3e55b703ed38fa1af87c204d89cf1 – before 5938196cc188ba4323bc6357f5ac55127d715888
Linux Linux 5.12

References