Vulnerability-Lookup

FKIE_CVE-2022-2785

Vulnerability from fkie_nvd - Published: 2022-09-23 11:15 - Updated: 2026-06-17 04:42

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

URL	Tags
cve-coordination@google.com	https://git.kernel.org/bpf/bpf/c/86f44fcec22c	Patch, Vendor Advisory
cve-coordination@google.com	https://lore.kernel.org/bpf/20220816205517.682470-1-zhuyifei%40google.com/T/#t	Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/bpf/bpf/c/86f44fcec22c	Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	https://lore.kernel.org/bpf/20220816205517.682470-1-zhuyifei%40google.com/T/#t	Vendor Advisory

Impacted products

	Vendor	Product	Version
	linux	linux_kernel	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Kernel",
          "vendor": "Linux Kernel",
          "versions": [
            {
              "lessThan": "af2ac3e13e45",
              "status": "affected",
              "version": "5.14",
              "versionType": "custom"
            },
            {
              "lessThan": "b1d18a7574d0",
              "status": "affected",
              "version": "5.18",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "cve-coordination@google.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "695A07F2-A042-48AB-9C55-15FD79B27D9F",
              "versionEndExcluding": "5.19.4",
              "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": "2026-06-17T04:42:34.670",
  "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"
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    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2022-2785",
          "options": [
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            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-04-21T13:36:55.797146Z",
          "version": "2.0.3"
        }
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  "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",
      "tags": [
        "Vendor Advisory"
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    },
    {
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    }
  ],
  "sourceIdentifier": "cve-coordination@google.com",
  "vulnStatus": "Analyzed",
  "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"
    }
  ]
}

CVE-2022-2785 (GCVE-0-2022-2785)

Vulnerability from cvelistv5 – Published: 2022-09-23 11:10 – Updated: 2025-04-21 13:49

Title

Arbitrary Memory read in BPF Linux Kernel

Summary

Severity

6.7 (Medium)


                        
                          CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-04-21 13:36 UTC

CWE

CWE-125 - Out-of-bounds Read

Assigner

Google Google root

References

2 references

URL	Tags
https://git.kernel.org/bpf/bpf/c/86f44fcec22c	x_refsource_MISC
https://lore.kernel.org/bpf/20220816205517.682470…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
Linux Kernel	Kernel	Affected: 5.14 , < af2ac3e13e45 (custom) Affected: 5.18 , < b1d18a7574d0 (custom)

Date Public

2022-08-07 00:00

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.