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CVE-2015-8222

Status: ModifiedMedium (4.6)—

The lxd-unix.socket systemd unit file in the Ubuntu lxd package before 0.20-0ubuntu4.1 uses world-readable permissions for /var/lib/lxd/unix.socket, which allows local users to gain privileges via unspecified vectors.

CVSS

Exploitation probability (EPSS)

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)

Canonical — Ubuntu Linux

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2015-8222",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.6,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2015-11-17T15:59:24.087",
  "references": [
    {
      "url": "http://www.ubuntu.com/usn/USN-2809-1",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://bugs.launchpad.net/ubuntu/+source/lxd/+bug/1515689",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/lxc/lxd/issues/1307",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.ubuntu.com/usn/USN-2809-1",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://bugs.launchpad.net/ubuntu/+source/lxd/+bug/1515689",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/lxc/lxd/issues/1307",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-264"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The lxd-unix.socket systemd unit file in the Ubuntu lxd package before 0.20-0ubuntu4.1 uses world-readable permissions for /var/lib/lxd/unix.socket, which allows local users to gain privileges via unspecified vectors."
    },
    {
      "lang": "es",
      "value": "El archivo de la unidad systemd lxd-unix.socket en el paquete lxd Ubuntu en versiones anteriores a 0.20-0ubuntu4.1 utiliza permisos world-readable para /var/lib/lxd/unix.socket, lo que permite a usuarios locales obtener privilegios a través de vectores no especificados."
    }
  ],
  "lastModified": "2026-06-17T00:34:08.543",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E88A537F-F4D0-46B9-9E37-965233C2A355"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}