cve-2022-48973
Vulnerability from cvelistv5
Published
2024-10-21 20:05
Modified
2024-12-19 08:11
Severity ?
Summary
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().
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4271515f189bd5fe2ec86b4089dab7cb804625d2Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/45fecdb9f658d9c82960c98240bc0770ade19acaPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4749c5cc147c9860b96db1e71cc36d1de1bd3f59Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/48bd5d3801f6b67cc144449d434abbd5043a6d37Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5ee6413d3dd972930af787b2c0c7aaeb379fa521Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/71d591ef873f9ebb86cd8d053b3caee785b2de6aPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b2bc053ebbba57a06fa655db5ea796de2edce445Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e364ce04d8f840478b09eee57b614de7cf1e743ePatch
Impacted products
Vendor Product Version
Linux Linux Version: f942a7de047d8c599cc1a9a26293c8c7400450ea
Version: f942a7de047d8c599cc1a9a26293c8c7400450ea
Version: f942a7de047d8c599cc1a9a26293c8c7400450ea
Version: f942a7de047d8c599cc1a9a26293c8c7400450ea
Version: f942a7de047d8c599cc1a9a26293c8c7400450ea
Version: f942a7de047d8c599cc1a9a26293c8c7400450ea
Version: f942a7de047d8c599cc1a9a26293c8c7400450ea
Version: f942a7de047d8c599cc1a9a26293c8c7400450ea
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   Linux Linux Version: 3.6
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{
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                "id": "CVE-2022-48973",
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          "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 \u0027out\u0027 label. Since pci_dev_put() can handle NULL\ninput parameter, there is no problem for the \u0027Device not found\u0027 branch.\nFor the normal path, add pci_dev_put() in amd_gpio_exit()."
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    "dateReserved": "2024-08-22T01:27:53.631Z",
    "dateUpdated": "2024-12-19T08:11:40.772Z",
    "state": "PUBLISHED"
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Since pci_dev_put() can handle NULL\\ninput parameter, there is no problem for the \u0027Device not found\u0027 branch.\\nFor the normal path, add pci_dev_put() in amd_gpio_exit().\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: gpio: amd8111: Se solucion\u00f3 la fuga de recuento de referencia del dispositivo PCI. for_each_pci_dev() se implementa mediante pci_get_device(). El comentario de pci_get_device() dice que aumentar\u00e1 el recuento de referencia para el pci_dev devuelto y tambi\u00e9n disminuir\u00e1 el recuento de referencia para el pci_dev de entrada @from si no es NULL. Si interrumpimos el bucle for_each_pci_dev() con pdev no NULL, debemos llamar a pci_dev_put() para disminuir el recuento de referencia. Agregue el pci_dev_put() faltante despu\u00e9s de la etiqueta \u0027out\u0027. Dado que pci_dev_put() puede manejar el par\u00e1metro de entrada NULL, no hay ning\u00fan problema para la rama \u0027Dispositivo no encontrado\u0027. Para la ruta normal, agregue pci_dev_put() en amd_gpio_exit().\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-Other\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"3.6\",\"versionEndExcluding\":\"4.9.336\",\"matchCriteriaId\":\"3D2ECA1E-39DC-418A-978F-7C23CCF7E6B9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.10\",\"versionEndExcluding\":\"4.14.302\",\"matchCriteriaId\":\"FB3E1F82-01A3-456E-9C83-D567B9A75815\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.15\",\"versionEndExcluding\":\"4.19.269\",\"matchCriteriaId\":\"1185B8E3-712E-4BFB-BD01-78D47F7EF1F2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.20\",\"versionEndExcluding\":\"5.4.227\",\"matchCriteriaId\":\"8C752145-904B-474A-A7F2-E9F29353B0FE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.5\",\"versionEndExcluding\":\"5.10.159\",\"matchCriteriaId\":\"7318B597-DFFD-4BBC-A947-539D6E30D82A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.83\",\"matchCriteriaId\":\"90897BD1-104D-4CFF-94F5-29F9041217FB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.0.13\",\"matchCriteriaId\":\"389392A7-81C4-4C26-884B-8C7CF0F53DA4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.1:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"E7E331DA-1FB0-4DEC-91AC-7DA69D461C11\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.1:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"17F0B248-42CF-4AE6-A469-BB1BAE7F4705\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.1:rc3:*:*:*:*:*:*\",\"matchCriteriaId\":\"E2422816-0C14-4B5E-A1E6-A9D776E5C49B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.1:rc4:*:*:*:*:*:*\",\"matchCriteriaId\":\"1C6E00FE-5FB9-4D20-A1A1-5A32128F9B76\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.1:rc5:*:*:*:*:*:*\",\"matchCriteriaId\":\"35B26BE4-43A6-4A36-A7F6-5B3F572D9186\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.1:rc6:*:*:*:*:*:*\",\"matchCriteriaId\":\"3FFFB0B3-930D-408A-91E2-BAE0C2715D80\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.1:rc7:*:*:*:*:*:*\",\"matchCriteriaId\":\"8535320E-A0DB-4277-800E-D0CE5BBA59E8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.1:rc8:*:*:*:*:*:*\",\"matchCriteriaId\":\"21718AA4-4056-40F2-968E-BDAA465A7872\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/4271515f189bd5fe2ec86b4089dab7cb804625d2\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/45fecdb9f658d9c82960c98240bc0770ade19aca\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/4749c5cc147c9860b96db1e71cc36d1de1bd3f59\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/48bd5d3801f6b67cc144449d434abbd5043a6d37\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/5ee6413d3dd972930af787b2c0c7aaeb379fa521\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/71d591ef873f9ebb86cd8d053b3caee785b2de6a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/b2bc053ebbba57a06fa655db5ea796de2edce445\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/e364ce04d8f840478b09eee57b614de7cf1e743e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}",
    "vulnrichment": {
      "containers": "{\"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\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-10-22T13:18:56.660Z\"}}], \"cna\": {\"title\": \"gpio: amd8111: Fix PCI device reference count leak\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"f942a7de047d8c599cc1a9a26293c8c7400450ea\", \"lessThan\": \"4749c5cc147c9860b96db1e71cc36d1de1bd3f59\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"f942a7de047d8c599cc1a9a26293c8c7400450ea\", \"lessThan\": \"71d591ef873f9ebb86cd8d053b3caee785b2de6a\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"f942a7de047d8c599cc1a9a26293c8c7400450ea\", \"lessThan\": \"b2bc053ebbba57a06fa655db5ea796de2edce445\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"f942a7de047d8c599cc1a9a26293c8c7400450ea\", \"lessThan\": \"48bd5d3801f6b67cc144449d434abbd5043a6d37\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"f942a7de047d8c599cc1a9a26293c8c7400450ea\", \"lessThan\": \"5ee6413d3dd972930af787b2c0c7aaeb379fa521\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"f942a7de047d8c599cc1a9a26293c8c7400450ea\", \"lessThan\": \"4271515f189bd5fe2ec86b4089dab7cb804625d2\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"f942a7de047d8c599cc1a9a26293c8c7400450ea\", \"lessThan\": \"e364ce04d8f840478b09eee57b614de7cf1e743e\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"f942a7de047d8c599cc1a9a26293c8c7400450ea\", \"lessThan\": \"45fecdb9f658d9c82960c98240bc0770ade19aca\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/gpio/gpio-amd8111.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"3.6\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"3.6\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"4.9.336\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.9.*\"}, {\"status\": \"unaffected\", \"version\": \"4.14.302\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.14.*\"}, {\"status\": \"unaffected\", \"version\": \"4.19.269\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.19.*\"}, {\"status\": \"unaffected\", \"version\": \"5.4.227\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.4.*\"}, {\"status\": \"unaffected\", \"version\": \"5.10.159\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.83\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.0.13\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.0.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/gpio/gpio-amd8111.c\"], \"defaultStatus\": \"affected\"}], \"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\"}], \"x_generator\": {\"engine\": \"bippy-5f407fcff5a0\"}, \"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 \u0027out\u0027 label. Since pci_dev_put() can handle NULL\\ninput parameter, there is no problem for the \u0027Device not found\u0027 branch.\\nFor the normal path, add pci_dev_put() in amd_gpio_exit().\"}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2024-12-19T08:11:40.772Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2022-48973\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-12-19T08:11:40.772Z\", \"dateReserved\": \"2024-08-22T01:27:53.631Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-10-21T20:05:53.769Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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