usn-3256-2
Vulnerability from osv_ubuntu
Published
2017-04-05 04:08
Modified
2026-02-10 04:41
Summary
linux-hwe, linux-lts-trusty, linux-lts-xenial vulnerability
Details

USN-3256-1 fixed vulnerabilities in the Linux kernel for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, and Ubuntu 16.10. This update provides the corresponding updates for the Linux Hardware Enablement (HWE) kernel for each of the respective prior Ubuntu LTS releases.

Andrey Konovalov discovered that the AF_PACKET implementation in the Linux kernel did not properly validate certain block-size data. A local attacker could use this to cause a denial of service (system crash).

References
To clipboard 

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              "id": "CVE-2017-7308",
              "severity": [
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                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "high",
                  "type": "Ubuntu"
                }
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            }
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          "ecosystem": "Ubuntu:14.04:LTS"
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            "binary_version": "4.8.0-46.49~16.04.1"
          },
          {
            "binary_name": "pcmcia-storage-modules-4.8.0-46-generic-di",
            "binary_version": "4.8.0-46.49~16.04.1"
          },
          {
            "binary_name": "plip-modules-4.8.0-46-generic-di",
            "binary_version": "4.8.0-46.49~16.04.1"
          },
          {
            "binary_name": "plip-modules-4.8.0-46-generic-lpae-di",
            "binary_version": "4.8.0-46.49~16.04.1"
          },
          {
            "binary_name": "ppp-modules-4.8.0-46-generic-di",
            "binary_version": "4.8.0-46.49~16.04.1"
          },
          {
            "binary_name": "ppp-modules-4.8.0-46-generic-lpae-di",
            "binary_version": "4.8.0-46.49~16.04.1"
          },
          {
            "binary_name": "sata-modules-4.8.0-46-generic-di",
            "binary_version": "4.8.0-46.49~16.04.1"
          },
          {
            "binary_name": "sata-modules-4.8.0-46-generic-lpae-di",
            "binary_version": "4.8.0-46.49~16.04.1"
          },
          {
            "binary_name": "scsi-modules-4.8.0-46-generic-di",
            "binary_version": "4.8.0-46.49~16.04.1"
          },
          {
            "binary_name": "scsi-modules-4.8.0-46-generic-lpae-di",
            "binary_version": "4.8.0-46.49~16.04.1"
          },
          {
            "binary_name": "serial-modules-4.8.0-46-generic-di",
            "binary_version": "4.8.0-46.49~16.04.1"
          },
          {
            "binary_name": "storage-core-modules-4.8.0-46-generic-di",
            "binary_version": "4.8.0-46.49~16.04.1"
          },
          {
            "binary_name": "storage-core-modules-4.8.0-46-generic-lpae-di",
            "binary_version": "4.8.0-46.49~16.04.1"
          },
          {
            "binary_name": "usb-modules-4.8.0-46-generic-di",
            "binary_version": "4.8.0-46.49~16.04.1"
          },
          {
            "binary_name": "usb-modules-4.8.0-46-generic-lpae-di",
            "binary_version": "4.8.0-46.49~16.04.1"
          },
          {
            "binary_name": "virtio-modules-4.8.0-46-generic-di",
            "binary_version": "4.8.0-46.49~16.04.1"
          },
          {
            "binary_name": "vlan-modules-4.8.0-46-generic-di",
            "binary_version": "4.8.0-46.49~16.04.1"
          },
          {
            "binary_name": "vlan-modules-4.8.0-46-generic-lpae-di",
            "binary_version": "4.8.0-46.49~16.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "linux-hwe",
        "purl": "pkg:deb/ubuntu/linux-hwe@4.8.0-46.49~16.04.1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.8.0-46.49~16.04.1"
            }
          ],
          "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"
      ]
    }
  ],
  "aliases": [],
  "details": "USN-3256-1 fixed vulnerabilities in the Linux kernel for Ubuntu\n14.04 LTS, Ubuntu 16.04 LTS, and Ubuntu 16.10. This update provides\nthe corresponding updates for the Linux Hardware Enablement (HWE)\nkernel for each of the respective prior Ubuntu LTS releases.\n\nAndrey Konovalov discovered that the AF_PACKET implementation in the Linux\nkernel did not properly validate certain block-size data. A local attacker\ncould use this to cause a denial of service (system crash).\n",
  "id": "USN-3256-2",
  "modified": "2026-02-10T04:41:06Z",
  "published": "2017-04-05T04:08:27Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-3256-2"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2017-7308"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "linux-hwe, linux-lts-trusty, linux-lts-xenial vulnerability",
  "upstream": [
    "UBUNTU-CVE-2017-7308"
  ]
}



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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.