fkie_cve-2022-50055
Vulnerability from fkie_nvd
Published
2025-06-18 11:15
Modified
2025-11-13 18:26
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: iavf: Fix adminq error handling iavf_alloc_asq_bufs/iavf_alloc_arq_bufs allocates with dma_alloc_coherent memory for VF mailbox. Free DMA regions for both ASQ and ARQ in case error happens during configuration of ASQ/ARQ registers. Without this change it is possible to see when unloading interface: 74626.583369: dma_debug_device_change: device driver has pending DMA allocations while released from device [count=32] One of leaked entries details: [device address=0x0000000b27ff9000] [size=4096 bytes] [mapped with DMA_BIDIRECTIONAL] [mapped as coherent]
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/35c63581fdefdcbaeae8cded18908523252353adPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/419831617ed349992c84344dbd9e627f9e68f842Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4fe80492d53971d9a49f39f3c86d2d67c6f3638aPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/dab6b551f5ba4c79a0dd4970dd8533c37a7b100fPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ff289f2be5899efd0e897d2b434a78e36df2c69bPatch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 6.0


To clipboard 

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    {
      "nodes": [
        {
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              "matchCriteriaId": "94B60C14-7F29-4F6D-BA4F-54484607C110",
              "versionEndExcluding": "5.4.211",
              "versionStartIncluding": "3.14",
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              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niavf: Fix adminq error handling\n\niavf_alloc_asq_bufs/iavf_alloc_arq_bufs allocates with dma_alloc_coherent\nmemory for VF mailbox.\nFree DMA regions for both ASQ and ARQ in case error happens during\nconfiguration of ASQ/ARQ registers.\nWithout this change it is possible to see when unloading interface:\n74626.583369: dma_debug_device_change: device driver has pending DMA allocations while released from device [count=32]\nOne of leaked entries details: [device address=0x0000000b27ff9000] [size=4096 bytes] [mapped with DMA_BIDIRECTIONAL] [mapped as coherent]"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: iavf: Se corrige el error de administraci\u00f3n de iavf_alloc_asq_bufs/iavf_alloc_arq_bufs al asignar memoria con dma_alloc_coherent para el buz\u00f3n VF. Se liberan regiones DMA para ASQ y ARQ en caso de error durante la configuraci\u00f3n de los registros ASQ/ARQ. Sin este cambio, al descargar la interfaz, se puede observar lo siguiente: 74626.583369: dma_debug_device_change: el controlador del dispositivo tiene asignaciones de DMA pendientes al ser liberado del dispositivo [count=32]. Una de las entradas filtradas detalla: [device address=0x0000000b27ff9000] [size=4096 bytes] [mapeado con DMA_BIDIRECTIONAL] [mapeado como coherente]"
    }
  ],
  "id": "CVE-2022-50055",
  "lastModified": "2025-11-13T18:26:20.733",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
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  "published": "2025-06-18T11:15:34.160",
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  "vulnStatus": "Analyzed",
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          "value": "NVD-CWE-noinfo"
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      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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