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CVE-2015-6646

Status: ModifiedMedium (6.2)—
Severity6.2Medium · CVSS 3.0
Exploitation probability0.49 %higher than 41% of CVEs
Active exploitationNonot in the CISA catalog
Public exploitNot knownno public code found

The System V IPC implementation in the kernel in Android before 6.0 2016-01-01 allows attackers to cause a denial of service (global kernel resource consumption) by leveraging improper interaction between IPC resource allocation and the memory manager, aka internal bug 22300191, a different vulnerability than CVE-2015-7613.

CVSS

Base score
6.2
Version
3.0
Vector
CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days
0.49 %
Percentile among all scored CVEs
41
Score date
10/24/2026

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Google — Android

CWEs

References

Show 4 references

Raw JSON (NVD)

Show
{
  "id": "CVE-2015-6646",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
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          "baseScore": 7.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 6.9,
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        "obtainAllPrivilege": false,
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        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false
      }
    ],
    "cvssMetricV30": [
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
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          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.5
      }
    ]
  },
  "affected": [
    {
      "source": "security@android.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
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        }
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  ],
  "published": "2016-01-06T19:59:11.833",
  "references": [
    {
      "url": "http://source.android.com/security/bulletin/2016-01-01.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security@android.com"
    },
    {
      "url": "http://www.securitytracker.com/id/1034592",
      "source": "security@android.com"
    },
    {
      "url": "http://source.android.com/security/bulletin/2016-01-01.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id/1034592",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-399"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The System V IPC implementation in the kernel in Android before 6.0 2016-01-01 allows attackers to cause a denial of service (global kernel resource consumption) by leveraging improper interaction between IPC resource allocation and the memory manager, aka internal bug 22300191, a different vulnerability than CVE-2015-7613."
    },
    {
      "lang": "es",
      "value": "La implementación de System V IPC en el kernel en Android en versiones anteriores a 6.0 2016-01-01 permite a atacantes causar una denegación de servicio (consumo de recursos de kernel global) aprovechando la interacción incorrecta entre la asignación de recursos IPC y el gestor de memoria, también conocida como error interno 22300191, una vulnerabilidad diferente a CVE-2015-7613."
    }
  ],
  "lastModified": "2026-06-17T00:31:11.207",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:google:android:6.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E70C6D8D-C9C3-4D92-8DFC-71F59E068295"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security@android.com"
}