In the Linux kernel, the following vulnerability has been resolved:
gpio: amd8111: Fix PCI device reference count leak
for_each_pci_dev() is implemented by pci_get_device(). The comment of pci_get_device() says that it will increase the reference count for the returned pci_dev and also decrease the reference count for the input pci_dev @from if it is not NULL.
If we break for_each_pci_dev() loop with pdev not NULL, we need to call pci_dev_put() to decrease the reference count. Add the missing pci_dev_put() after the 'out' label. Since pci_dev_put() can handle NULL input parameter, there is no problem for the 'Device not found' branch. For the normal path, add pci_dev_put() in amd_gpio_exit().
CVSS Details
- CVSS 3.1 Base Score: 5.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Oct 23, 2024 | Oct 23, 2024 |
| Ubuntu | — | Upgrade linux-azure-5.15Upgrade linux-kvmUpgrade linux-lowlatency-hwe-5.15Upgrade linux-gkeop-5.15Upgrade linux-hwe-5.15Upgrade linux-azure-5.4Upgrade linux-azure-4.15Upgrade linux-azure-fdeUpgrade linux-aws-fipsUpgrade linux-realtimeUpgrade linux-aws-hweUpgrade linux-azureUpgrade linux-aws-5.15Upgrade linux-bluefieldUpgrade linux-lowlatencyUpgrade linux-gcp-fipsUpgrade linux-intel-iotg-5.15Upgrade linux-raspi-5.4Upgrade linux-oracleUpgrade linux-nvidiaUpgrade linux-ibmUpgrade linux-gcp-4.15Upgrade linux-aws-5.4Upgrade linux-gcp-5.15Upgrade linux-raspiUpgrade linux-hweUpgrade linux-xilinx-zynqmpUpgrade linux-iotUpgrade linux-hwe-5.4Upgrade linuxUpgrade linux-oracle-5.15Upgrade linux-fipsUpgrade linux-riscv-5.15Upgrade linux-awsUpgrade linux-azure-fipsUpgrade linux-nvidia-tegra-5.15Upgrade linux-gkeUpgrade linux-gcp-5.4Upgrade linux-gcpUpgrade linux-oracle-5.4Upgrade linux-intel-iotgUpgrade linux-intel-iot-realtimeUpgrade linux-gkeopUpgrade linux-ibm-5.4 | Nov 19, 2024 | Oct 21, 2024 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | May 27, 2026 | Oct 21, 2024 |
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