ubuntu-cve-2017-17864
Vulnerability from osv_ubuntu
Published
2017-12-27 00:00
Modified
2025-07-16 04:53
Summary
Details

kernel/bpf/verifier.c in the Linux kernel through 4.14.8 mishandles states_equal comparisons between the pointer data type and the UNKNOWN_VALUE data type, which allows local users to obtain potentially sensitive address information, aka a "pointer leak."

Severity
3.3 (Low)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
N/A (UNKNOWN)
low
References
To clipboard 

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            "binary_name": "scsi-modules-4.15.0-24-generic-lpae-di",
            "binary_version": "4.15.0-24.26~16.04.1"
          },
          {
            "binary_name": "serial-modules-4.15.0-24-generic-di",
            "binary_version": "4.15.0-24.26~16.04.1"
          },
          {
            "binary_name": "storage-core-modules-4.15.0-24-generic-di",
            "binary_version": "4.15.0-24.26~16.04.1"
          },
          {
            "binary_name": "storage-core-modules-4.15.0-24-generic-lpae-di",
            "binary_version": "4.15.0-24.26~16.04.1"
          },
          {
            "binary_name": "usb-modules-4.15.0-24-generic-di",
            "binary_version": "4.15.0-24.26~16.04.1"
          },
          {
            "binary_name": "usb-modules-4.15.0-24-generic-lpae-di",
            "binary_version": "4.15.0-24.26~16.04.1"
          },
          {
            "binary_name": "virtio-modules-4.15.0-24-generic-di",
            "binary_version": "4.15.0-24.26~16.04.1"
          },
          {
            "binary_name": "vlan-modules-4.15.0-24-generic-di",
            "binary_version": "4.15.0-24.26~16.04.1"
          },
          {
            "binary_name": "vlan-modules-4.15.0-24-generic-lpae-di",
            "binary_version": "4.15.0-24.26~16.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "linux-hwe",
        "purl": "pkg:deb/ubuntu/linux-hwe@4.15.0-24.26~16.04.1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.15.0-24.26~16.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.8.0-36.36~16.04.1",
        "4.8.0-39.42~16.04.1",
        "4.8.0-41.44~16.04.1",
        "4.8.0-42.45~16.04.1",
        "4.8.0-44.47~16.04.1",
        "4.8.0-45.48~16.04.1",
        "4.8.0-46.49~16.04.1",
        "4.8.0-49.52~16.04.1",
        "4.8.0-51.54~16.04.1",
        "4.8.0-52.55~16.04.1",
        "4.8.0-53.56~16.04.1",
        "4.8.0-54.57~16.04.1",
        "4.8.0-56.61~16.04.1",
        "4.8.0-58.63~16.04.1",
        "4.10.0-27.30~16.04.2",
        "4.10.0-28.32~16.04.2",
        "4.10.0-30.34~16.04.1",
        "4.10.0-32.36~16.04.1",
        "4.10.0-33.37~16.04.1",
        "4.10.0-35.39~16.04.1",
        "4.10.0-37.41~16.04.1",
        "4.10.0-38.42~16.04.1",
        "4.10.0-40.44~16.04.1",
        "4.10.0-42.46~16.04.1",
        "4.13.0-26.29~16.04.2",
        "4.13.0-31.34~16.04.1",
        "4.13.0-32.35~16.04.1",
        "4.13.0-36.40~16.04.1",
        "4.13.0-37.42~16.04.1",
        "4.13.0-38.43~16.04.1",
        "4.13.0-39.44~16.04.1",
        "4.13.0-41.46~16.04.1",
        "4.13.0-43.48~16.04.1",
        "4.13.0-45.50~16.04.1"
      ]
    }
  ],
  "aliases": [],
  "details": "kernel/bpf/verifier.c in the Linux kernel through 4.14.8 mishandles states_equal comparisons between the pointer data type and the UNKNOWN_VALUE data type, which allows local users to obtain potentially sensitive address information, aka a \"pointer leak.\"",
  "id": "UBUNTU-CVE-2017-17864",
  "modified": "2025-07-16T04:53:13Z",
  "published": "2017-12-27T00:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2017-17864"
    },
    {
      "type": "REPORT",
      "url": "http://www.openwall.com/lists/oss-security/2017/12/24/1"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-3523-1"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-3523-2"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-3523-3"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2017-17864"
    }
  ],
  "related": [
    "USN-3523-1",
    "USN-3523-2",
    "USN-3523-3"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "low",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2017-17864"
  ],
  "withdrawn": "2025-07-18T16:44:17Z"
}



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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.