CVE-2022-50337 - ocxl: fix pci device refcount leak when calling get_function_0()

CVE-2022-50337 - ocxl: fix pci device refcount leak when calling get_function_0()

https://cvefeed.io/rssfeed/latest.atom / Mon, 09/15/2025 - 17:39
CVE ID : CVE-2022-50337
Published : Sept. 15, 2025, 2:49 p.m. | 11 minutes ago
Description : In the Linux kernel, the following vulnerability has been resolved: ocxl: fix pci device refcount leak when calling get_function_0() get_function_0() calls pci_get_domain_bus_and_slot(), as comment says, it returns a pci device with refcount increment, so after using it, pci_dev_put() needs be called. Get the device reference when get_function_0() is not called, so pci_dev_put() can be called in the error path and callers unconditionally. And add comment above get_dvsec_vendor0() to tell callers to call pci_dev_put().
Severity: 0.0 | NA
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