CVE-2022-48973
gpio: amd8111: Fix PCI device reference count leak
- Published
- Updated
- Reserved
- Assigned by
- Linux
Description
In the Linux kernel, the following vulnerability has been resolved: gpio: amd8111: Fix PCI device reference count 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() after the 'out' label. Since pci_dev_put() can handle NULL input parameter, there is no problem for the 'Device not found' branch. For the normal path, add pci_dev_put() in amd_gpio_exit().
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Analyzed | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.24% · top 85% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Affected products
- affected f942a7de047d8c599cc1a9a26293c8c7400450ea – < 4749c5cc147c9860b96db1e71cc36d1de1bd3f59
- affected f942a7de047d8c599cc1a9a26293c8c7400450ea – < 71d591ef873f9ebb86cd8d053b3caee785b2de6a
- affected f942a7de047d8c599cc1a9a26293c8c7400450ea – < b2bc053ebbba57a06fa655db5ea796de2edce445
- affected f942a7de047d8c599cc1a9a26293c8c7400450ea – < 48bd5d3801f6b67cc144449d434abbd5043a6d37
- affected f942a7de047d8c599cc1a9a26293c8c7400450ea – < 5ee6413d3dd972930af787b2c0c7aaeb379fa521
- affected f942a7de047d8c599cc1a9a26293c8c7400450ea – < 4271515f189bd5fe2ec86b4089dab7cb804625d2
- affected f942a7de047d8c599cc1a9a26293c8c7400450ea – < e364ce04d8f840478b09eee57b614de7cf1e743e
- affected f942a7de047d8c599cc1a9a26293c8c7400450ea – < 45fecdb9f658d9c82960c98240bc0770ade19aca
- affected 3.6
- unaffected < 3.6
- unaffected 4.9.336 – ≤ 4.9.*
- unaffected 4.14.302 – ≤ 4.14.*
- unaffected 4.19.269 – ≤ 4.19.*
- unaffected 5.4.227 – ≤ 5.4.*
- unaffected 5.10.159 – ≤ 5.10.*
- unaffected 5.15.83 – ≤ 5.15.*
- unaffected 6.0.13 – ≤ 6.0.*
- unaffected 6.1 – ≤ *
References (8)
- https://git.kernel.org/stable/c/4749c5cc147c9860b96db1e71cc36d1de1bd3f59 (opens in a new tab)
- https://git.kernel.org/stable/c/71d591ef873f9ebb86cd8d053b3caee785b2de6a (opens in a new tab)
- https://git.kernel.org/stable/c/b2bc053ebbba57a06fa655db5ea796de2edce445 (opens in a new tab)
- https://git.kernel.org/stable/c/48bd5d3801f6b67cc144449d434abbd5043a6d37 (opens in a new tab)
- https://git.kernel.org/stable/c/5ee6413d3dd972930af787b2c0c7aaeb379fa521 (opens in a new tab)
- https://git.kernel.org/stable/c/4271515f189bd5fe2ec86b4089dab7cb804625d2 (opens in a new tab)
- https://git.kernel.org/stable/c/e364ce04d8f840478b09eee57b614de7cf1e743e (opens in a new tab)
- https://git.kernel.org/stable/c/45fecdb9f658d9c82960c98240bc0770ade19aca (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2022-48973)Record last updated .