CVE-2022-50868 | hwrng: amd - Fix PCI device refcount leak

In the Linux kernel, the following vulnerability has been resolved: hwrng: amd - Fix PCI device refcount 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() for the normal and error path.

Published: 2025-12-30 Last update: 2026-04-15 Assigner: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Conclusion & alert: CVE-2022-50868 is rated Low Risk (12.8/100): low exploitation likelihood (EPSS 0.04%). Mandatory action: Low composite risk—no urgent action required; patch on your normal maintenance cycle and revisit priority if CVSS or EPSS increases.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2022-50868

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-28 0.06% 0.04% -0.02%
2 2026-05-01 0.03% 0.06% +0.03%
3 2025-12-31 0.03%

Full EPSS history (3 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2022-50868

CVSS metrics for this CVE.

No CVSS data in dataset for this CVE.

Weakness enumeration for CVE-2022-50868

OS Trackers for CVE-2022-50868

vendor priority summary link
debian not yet assigned CVE-2022-50868 not yet assigned priority: Debian including 1 source packages (linux), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2022-50868
redhat low https://access.redhat.com/security/cve/CVE-2022-50868
suse medium https://www.suse.com/security/cve/CVE-2022-50868/
ubuntu medium CVE-2022-50868 medium priority: Ubuntu including 157 source packages (linux, linux-allwinner-5.19, …), 1405 status rows across 9 suites (bionic, focal, jammy, noble, plucky, questing, trusty, upstream, xenial): DNE 1010, ignored 176, released 145, not-affected 69, needed 4, needs-triage 1. https://ubuntu.com/security/CVE-2022-50868

Affected software / configurations for CVE-2022-50868

Vendor Product Version Raw CPE
No affected products in dataset.

References for CVE-2022-50868

cvelogic Threat Intelligence