fkie_cve-2021-47265
Vulnerability from fkie_nvd
Published
2024-05-21 15:15
Modified
2025-04-30 14:57
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: RDMA: Verify port when creating flow rule Validate port value provided by the user and with that remove no longer needed validation by the driver. The missing check in the mlx5_ib driver could cause to the below oops. Call trace: _create_flow_rule+0x2d4/0xf28 [mlx5_ib] mlx5_ib_create_flow+0x2d0/0x5b0 [mlx5_ib] ib_uverbs_ex_create_flow+0x4cc/0x624 [ib_uverbs] ib_uverbs_handler_UVERBS_METHOD_INVOKE_WRITE+0xd4/0x150 [ib_uverbs] ib_uverbs_cmd_verbs.isra.7+0xb28/0xc50 [ib_uverbs] ib_uverbs_ioctl+0x158/0x1d0 [ib_uverbs] do_vfs_ioctl+0xd0/0xaf0 ksys_ioctl+0x84/0xb4 __arm64_sys_ioctl+0x28/0xc4 el0_svc_common.constprop.3+0xa4/0x254 el0_svc_handler+0x84/0xa0 el0_svc+0x10/0x26c Code: b9401260 f9615681 51000400 8b001c20 (f9403c1a)
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2adcb4c5a52a2623cd2b43efa7041e74d19f3a5ePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8dc1b0e0ca204596c50bcd159ee069ae0f998176Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/2adcb4c5a52a2623cd2b43efa7041e74d19f3a5ePatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/8dc1b0e0ca204596c50bcd159ee069ae0f998176Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel 5.13
linux linux_kernel 5.13
linux linux_kernel 5.13
linux linux_kernel 5.13
linux linux_kernel 5.13


To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "72465A2F-E320-41DA-9DDE-71716705D665",
              "versionEndExcluding": "5.12.11",
              "versionStartIncluding": "3.12",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:5.13:rc1:*:*:*:*:*:*",
              "matchCriteriaId": "0CBAD0FC-C281-4666-AB2F-F8E6E1165DF7",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:5.13:rc2:*:*:*:*:*:*",
              "matchCriteriaId": "96AC23B2-D46A-49D9-8203-8E1BEDCA8532",
              "vulnerable": true
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            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:5.13:rc3:*:*:*:*:*:*",
              "matchCriteriaId": "DA610E30-717C-4700-9F77-A3C9244F3BFD",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:5.13:rc4:*:*:*:*:*:*",
              "matchCriteriaId": "1ECD33F5-85BE-430B-8F86-8D7BD560311D",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:5.13:rc5:*:*:*:*:*:*",
              "matchCriteriaId": "CF351855-2437-4CF5-AD7C-BDFA51F27683",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA: Verify port when creating flow rule\n\nValidate port value provided by the user and with that remove no longer\nneeded validation by the driver.  The missing check in the mlx5_ib driver\ncould cause to the below oops.\n\nCall trace:\n  _create_flow_rule+0x2d4/0xf28 [mlx5_ib]\n  mlx5_ib_create_flow+0x2d0/0x5b0 [mlx5_ib]\n  ib_uverbs_ex_create_flow+0x4cc/0x624 [ib_uverbs]\n  ib_uverbs_handler_UVERBS_METHOD_INVOKE_WRITE+0xd4/0x150 [ib_uverbs]\n  ib_uverbs_cmd_verbs.isra.7+0xb28/0xc50 [ib_uverbs]\n  ib_uverbs_ioctl+0x158/0x1d0 [ib_uverbs]\n  do_vfs_ioctl+0xd0/0xaf0\n  ksys_ioctl+0x84/0xb4\n  __arm64_sys_ioctl+0x28/0xc4\n  el0_svc_common.constprop.3+0xa4/0x254\n  el0_svc_handler+0x84/0xa0\n  el0_svc+0x10/0x26c\n Code: b9401260 f9615681 51000400 8b001c20 (f9403c1a)"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux se ha resuelto la siguiente vulnerabilidad: RDMA: Verificar puerto al crear regla de flujo. Validar valor de puerto proporcionado por el usuario y con ello eliminar la validaci\u00f3n que ya no necesita el controlador. La verificaci\u00f3n que falta en el controlador mlx5_ib podr\u00eda provocar los siguientes errores. Seguimiento de llamadas: _create_flow_rule+0x2d4/0xf28 [mlx5_ib] mlx5_ib_create_flow+0x2d0/0x5b0 [mlx5_ib] ib_uverbs_ex_create_flow+0x4cc/0x624 [ib_uverbs_handler_UVERBS_METHOD_INVOKE_WRITE+0xd4/0x1 50 [ib_uverbs] ib_uverbs_cmd_verbs.isra.7+0xb28/0xc50 [ib_uverbs] ib_uverbs_ioctl+0x158 /0x1d0 [ib_uverbs] do_vfs_ioctl+0xd0/0xaf0 ksys_ioctl+0x84/0xb4 __arm64_sys_ioctl+0x28/0xc4 el0_svc_common.constprop.3+0xa4/0x254 el0_svc_handler+0x84/0xa0 0x10/0x26c C\u00f3digo: b9401260 f9615681 51000400 8b001c20 (f9403c1a)"
    }
  ],
  "id": "CVE-2021-47265",
  "lastModified": "2025-04-30T14:57:20.310",
  "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"
      }
    ]
  },
  "published": "2024-05-21T15:15:15.147",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
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      "url": "https://git.kernel.org/stable/c/2adcb4c5a52a2623cd2b43efa7041e74d19f3a5e"
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/2adcb4c5a52a2623cd2b43efa7041e74d19f3a5e"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "url": "https://git.kernel.org/stable/c/8dc1b0e0ca204596c50bcd159ee069ae0f998176"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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