CVE-2022-50520

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Source
https://cve.org/CVERecord?id=CVE-2022-50520
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-50520.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2022-50520
Downstream
Related
Published
2025-10-07T15:19:14.528Z
Modified
2026-03-20T12:12:09.529590Z
Summary
drm/radeon: Fix PCI device refcount leak in radeon_atrm_get_bios()
Details

In the Linux kernel, the following vulnerability has been resolved:

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

As comment of pcigetclass() 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 radeonatrmgetbios() with 'pdev' not NULL, we need to call pcidevput() to decrease the refcount. Add the missing pcidev_put() to avoid refcount leak.

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50520.json",
    "cna_assigner": "Linux"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
c61e2775873f603148e8e998a938721b7d222d24
Fixed
6f28c7f67af4ef9bca580ab67ae2d4511797af56
Fixed
e738f82e5b1311e8fb3d1409491a6fcce6418fbe
Fixed
1079df6acf56f99d86b0081a38c84701412cc90e
Fixed
470a77989037c3ab2b08bf2d026d2c0ddc35ff5b
Fixed
3991d98a8a07b71c02f3a39f77d6d9a7f575a5c4
Fixed
88c6e0995c04b170563b5c894c50a3b2152e18c2
Fixed
b9decada8749b606fd8b4f04a3d6c74f7983d7bc
Fixed
a6cffe54064a5f6c2162a85af3c16c6b453eac4e
Fixed
725a521a18734f65de05b8d353b5bd0d3ca4c37a
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
61ebf0a926149cc161131470cf848cb70b3d6fe6
Last affected
0a1d9a860832a5ca43114cdebf0e8650463cc1f0
Last affected
5f54f145719f453dccc73304cd427096bf7b806c
Last affected
063ab9cb6308a0806d623c8d6dda5cb2b3b87fce

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-50520.json"