{"id":"CVE-2022-48973","state":"PUBLISHED","title":"gpio: amd8111: Fix PCI device reference count leak","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ngpio: amd8111: Fix PCI device reference count leak\n\nfor_each_pci_dev() is implemented by pci_get_device(). The comment of\npci_get_device() says that it will increase the reference count for the\nreturned pci_dev and also decrease the reference count for the input\npci_dev @from if it is not NULL.\n\nIf we break for_each_pci_dev() loop with pdev not NULL, we need to call\npci_dev_put() to decrease the reference count. Add the missing\npci_dev_put() after the 'out' label. Since pci_dev_put() can handle NULL\ninput parameter, there is no problem for the 'Device not found' branch.\nFor the normal path, add pci_dev_put() in amd_gpio_exit().","publishedAt":"2024-10-21T20:05:53.769Z","updatedAt":"2026-05-11T18:50:44.469Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"f942a7de047d8c599cc1a9a26293c8c7400450ea","status":"affected","lessThan":"4749c5cc147c9860b96db1e71cc36d1de1bd3f59","versionType":"git"},{"version":"f942a7de047d8c599cc1a9a26293c8c7400450ea","status":"affected","lessThan":"71d591ef873f9ebb86cd8d053b3caee785b2de6a","versionType":"git"},{"version":"f942a7de047d8c599cc1a9a26293c8c7400450ea","status":"affected","lessThan":"b2bc053ebbba57a06fa655db5ea796de2edce445","versionType":"git"},{"version":"f942a7de047d8c599cc1a9a26293c8c7400450ea","status":"affected","lessThan":"48bd5d3801f6b67cc144449d434abbd5043a6d37","versionType":"git"},{"version":"f942a7de047d8c599cc1a9a26293c8c7400450ea","status":"affected","lessThan":"5ee6413d3dd972930af787b2c0c7aaeb379fa521","versionType":"git"},{"version":"f942a7de047d8c599cc1a9a26293c8c7400450ea","status":"affected","lessThan":"4271515f189bd5fe2ec86b4089dab7cb804625d2","versionType":"git"},{"version":"f942a7de047d8c599cc1a9a26293c8c7400450ea","status":"affected","lessThan":"e364ce04d8f840478b09eee57b614de7cf1e743e","versionType":"git"},{"version":"f942a7de047d8c599cc1a9a26293c8c7400450ea","status":"affected","lessThan":"45fecdb9f658d9c82960c98240bc0770ade19aca","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpio/gpio-amd8111.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.6","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.6","versionType":"semver"},{"version":"4.9.336","status":"unaffected","lessThanOrEqual":"4.9.*","versionType":"semver"},{"version":"4.14.302","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.269","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.227","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.159","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.83","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.0.13","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpio/gpio-amd8111.c"]}],"references":["https://git.kernel.org/stable/c/4749c5cc147c9860b96db1e71cc36d1de1bd3f59","https://git.kernel.org/stable/c/71d591ef873f9ebb86cd8d053b3caee785b2de6a","https://git.kernel.org/stable/c/b2bc053ebbba57a06fa655db5ea796de2edce445","https://git.kernel.org/stable/c/48bd5d3801f6b67cc144449d434abbd5043a6d37","https://git.kernel.org/stable/c/5ee6413d3dd972930af787b2c0c7aaeb379fa521","https://git.kernel.org/stable/c/4271515f189bd5fe2ec86b4089dab7cb804625d2","https://git.kernel.org/stable/c/e364ce04d8f840478b09eee57b614de7cf1e743e","https://git.kernel.org/stable/c/45fecdb9f658d9c82960c98240bc0770ade19aca"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/48xxx/CVE-2022-48973.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-48973","state":"PUBLISHED","datePublished":"2024-10-21T20:05:53.769Z","dateUpdated":"2026-05-11T18:50:44.469Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-08-22T01:27:53.631Z"},"containers":{"cna":{"title":"gpio: amd8111: Fix PCI device reference count leak","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ngpio: amd8111: Fix PCI device reference count leak\n\nfor_each_pci_dev() is implemented by pci_get_device(). The comment of\npci_get_device() says that it will increase the reference count for the\nreturned pci_dev and also decrease the reference count for the input\npci_dev @from if it is not NULL.\n\nIf we break for_each_pci_dev() loop with pdev not NULL, we need to call\npci_dev_put() to decrease the reference count. Add the missing\npci_dev_put() after the 'out' label. Since pci_dev_put() can handle NULL\ninput parameter, there is no problem for the 'Device not found' branch.\nFor the normal path, add pci_dev_put() in amd_gpio_exit()."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"f942a7de047d8c599cc1a9a26293c8c7400450ea","status":"affected","lessThan":"4749c5cc147c9860b96db1e71cc36d1de1bd3f59","versionType":"git"},{"version":"f942a7de047d8c599cc1a9a26293c8c7400450ea","status":"affected","lessThan":"71d591ef873f9ebb86cd8d053b3caee785b2de6a","versionType":"git"},{"version":"f942a7de047d8c599cc1a9a26293c8c7400450ea","status":"affected","lessThan":"b2bc053ebbba57a06fa655db5ea796de2edce445","versionType":"git"},{"version":"f942a7de047d8c599cc1a9a26293c8c7400450ea","status":"affected","lessThan":"48bd5d3801f6b67cc144449d434abbd5043a6d37","versionType":"git"},{"version":"f942a7de047d8c599cc1a9a26293c8c7400450ea","status":"affected","lessThan":"5ee6413d3dd972930af787b2c0c7aaeb379fa521","versionType":"git"},{"version":"f942a7de047d8c599cc1a9a26293c8c7400450ea","status":"affected","lessThan":"4271515f189bd5fe2ec86b4089dab7cb804625d2","versionType":"git"},{"version":"f942a7de047d8c599cc1a9a26293c8c7400450ea","status":"affected","lessThan":"e364ce04d8f840478b09eee57b614de7cf1e743e","versionType":"git"},{"version":"f942a7de047d8c599cc1a9a26293c8c7400450ea","status":"affected","lessThan":"45fecdb9f658d9c82960c98240bc0770ade19aca","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpio/gpio-amd8111.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.6","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.6","versionType":"semver"},{"version":"4.9.336","status":"unaffected","lessThanOrEqual":"4.9.*","versionType":"semver"},{"version":"4.14.302","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.269","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.227","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.159","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.83","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.0.13","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpio/gpio-amd8111.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/4749c5cc147c9860b96db1e71cc36d1de1bd3f59"},{"url":"https://git.kernel.org/stable/c/71d591ef873f9ebb86cd8d053b3caee785b2de6a"},{"url":"https://git.kernel.org/stable/c/b2bc053ebbba57a06fa655db5ea796de2edce445"},{"url":"https://git.kernel.org/stable/c/48bd5d3801f6b67cc144449d434abbd5043a6d37"},{"url":"https://git.kernel.org/stable/c/5ee6413d3dd972930af787b2c0c7aaeb379fa521"},{"url":"https://git.kernel.org/stable/c/4271515f189bd5fe2ec86b4089dab7cb804625d2"},{"url":"https://git.kernel.org/stable/c/e364ce04d8f840478b09eee57b614de7cf1e743e"},{"url":"https://git.kernel.org/stable/c/45fecdb9f658d9c82960c98240bc0770ade19aca"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T18:50:44.469Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.6","versionEndExcluding":"4.9.336"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.6","versionEndExcluding":"4.14.302"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.6","versionEndExcluding":"4.19.269"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.6","versionEndExcluding":"5.4.227"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.6","versionEndExcluding":"5.10.159"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.6","versionEndExcluding":"5.15.83"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.6","versionEndExcluding":"6.0.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.6","versionEndExcluding":"6.1"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2022-48973","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-10-22T13:18:53.419831Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-10-22T13:28:37.476Z"}}]}}}