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CVE-2022-50718: drm/amdgpu: fix pci device refcount leak

• Severity: unknown
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-12-24 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix pci device refcount leak As comment of pci_get_domain_bus_and_slot() says, it returns a pci device with refcount increment, when finish using it, the caller must decrement the reference count by calling pci_dev_put(). So before returning from amdgpu_device_resume|suspend_display_audio(), pci_dev_put() is called to avoid refcount leak.

Affected products

• Linux kernel: 5.8 — fixed in 6.2

How to fix

Upgrade to a fixed version: Linux kernel 6.2. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/02105f0b3021ee5853b2fa50853c42f35fc01cfd
• https://git.kernel.org/stable/c/3725a8f26bdbc38dfdf545836117f1e069277c91
• https://git.kernel.org/stable/c/b85e285e3d6352b02947fc1b72303673dfacb0aa
• https://git.kernel.org/stable/c/d7352b410471cbebf6350b2990bae82bb0d59a76
• https://git.kernel.org/stable/c/f13661b72a61708cecb06562f8acff068a4f31f7

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