CVE-2022-50520 - CVE House
Back to Database
Status published Medium CVE-2022-50520

drm/radeon: Fix PCI device refcount leak in radeon_atrm_get_bios()

Vulnerability Description

In the Linux kernel, the following vulnerability has been resolved: drm/radeon: Fix PCI device refcount leak in radeon_atrm_get_bios() As comment of pci_get_class() says, it returns a pci_device with its refcount increased and decreased the refcount for the input parameter @from if it is not NULL. If we break the loop in radeon_atrm_get_bios() with 'pdev' not NULL, we need to call pci_dev_put() to decrease the refcount. Add the missing pci_dev_put() to avoid refcount leak.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2022-50520

Credits & Attribution

No credits recorded in the NVD database.

References

More from Linux

View All →
CVE-2025-71315
drm/vkms: Convert to DRM's vblank timer
Unknown 0
CVE-2025-71314
drm/panthor: Recover from panthor_gpu_flush_caches() failures
Unknown 0
CVE-2025-71313
PCI: endpoint: Add missing NULL check for alloc_workqueue()
Unknown 0
CVE-2025-71312
fs/ntfs3: fix ntfs_mount_options leak in ntfs_fill_super()
Unknown 0
CVE-2025-71311
fs/ntfs3: Initialize new folios before use
Unknown 0

Affected Vendor

Affected Software

Linux
Vulnerable Versions:
c61e2775873f603148e8e998a938721b7d222d24, 61ebf0a926149cc161131470cf848cb70b3d6fe6, 0a1d9a860832a5ca43114cdebf0e8650463cc1f0, 5f54f145719f453dccc73304cd427096bf7b806c, 063ab9cb6308a0806d623c8d6dda5cb2b3b87fce, 3.2.29, 3.4.12, 3.5.5, 3.2.60, 3.6, 0, 4.9.337, 4.14.303, 4.19.270, 5.4.229, 5.10.163, 5.15.86, 6.0.16, 6.1.2, 6.2

Timeline

Official Publish: October 7th, 2025
Last Modified: May 23rd, 2026
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.