fkie_cve-2022-2785
Vulnerability from fkie_nvd
Published
2022-09-23 11:15
Modified
2024-11-21 07:01
Severity ?
6.7 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Summary
There exists an arbitrary memory read within the Linux Kernel BPF - Constants provided to fill pointers in structs passed in to bpf_sys_bpf are not verified and can point anywhere, including memory not owned by BPF. An attacker with CAP_BPF can arbitrarily read memory from anywhere on the system. We recommend upgrading past commit 86f44fcec22c
References
cve-coordination@google.comhttps://git.kernel.org/bpf/bpf/c/86f44fcec22cPatch, Vendor Advisory
cve-coordination@google.comhttps://lore.kernel.org/bpf/20220816205517.682470-1-zhuyifei%40google.com/T/#t
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/bpf/bpf/c/86f44fcec22cPatch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://lore.kernel.org/bpf/20220816205517.682470-1-zhuyifei%40google.com/T/#t
Impacted products
Vendor Product Version
linux linux_kernel *


To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "C4201D89-FEDA-413D-80CA-8E240505B4CA",
              "versionEndExcluding": "2022-08-10",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "There exists an arbitrary memory read within the Linux Kernel BPF - Constants provided to fill pointers in structs passed in to bpf_sys_bpf are not verified and can point anywhere, including memory not owned by BPF. An attacker with CAP_BPF can arbitrarily read memory from anywhere on the system. We recommend upgrading past commit 86f44fcec22c"
    },
    {
      "lang": "es",
      "value": "Se presenta una lectura de memoria arbitraria dentro del BPF del Kernel de Linux - Las constantes proporcionadas para rellenar los punteros en los structs pasados a bpf_sys_bpf no son verificados y pueden apuntar a cualquier lugar, incluyendo la memoria que no es propiedad de BPF. Un atacante con CAP_BPF puede leer arbitrariamente la memoria de cualquier parte del sistema. Recomendamos actualizar el commit pasado 86f44fcec22c"
    }
  ],
  "id": "CVE-2022-2785",
  "lastModified": "2024-11-21T07:01:41.620",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 6.7,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 0.8,
        "impactScore": 5.9,
        "source": "cve-coordination@google.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "NONE",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2022-09-23T11:15:09.510",
  "references": [
    {
      "source": "cve-coordination@google.com",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://git.kernel.org/bpf/bpf/c/86f44fcec22c"
    },
    {
      "source": "cve-coordination@google.com",
      "url": "https://lore.kernel.org/bpf/20220816205517.682470-1-zhuyifei%40google.com/T/#t"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://git.kernel.org/bpf/bpf/c/86f44fcec22c"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lore.kernel.org/bpf/20220816205517.682470-1-zhuyifei%40google.com/T/#t"
    }
  ],
  "sourceIdentifier": "cve-coordination@google.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        }
      ],
      "source": "cve-coordination@google.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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