CVE-2022-48973

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

No CVSS.

Configurations

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History

21 Oct 2024, 20:15

Type Values Removed Values Added
New CVE

Information

Published : 2024-10-21 20:15

Updated : 2024-10-21 20:15


NVD link : CVE-2022-48973

Mitre link : CVE-2022-48973

CVE.ORG link : CVE-2022-48973


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Products Affected

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CWE

No CWE.