usn-3677-2
Vulnerability from osv_ubuntu
Published
2018-06-12 00:18
Modified
2026-02-10 04:41
Summary
linux-hwe, linux-gcp, linux-oem vulnerabilities
Details

USN-3677-1 fixed vulnerabilities in the Linux kernel for Ubuntu 17.10. This update provides the corresponding updates for the Linux Hardware Enablement (HWE) kernel from Ubuntu 17.10 for Ubuntu 16.04 LTS.

It was discovered that the netfilter subsystem of the Linux kernel did not properly validate ebtables offsets. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2018-1068)

Wen Xu discovered that the ext4 filesystem implementation in the Linux kernel did not properly handle corrupted meta data in some situations. An attacker could use this to specially craft an ext4 file system that caused a denial of service (system crash) when mounted. (CVE-2018-1092)

It was discovered that a NULL pointer dereference existed in the RDS (Reliable Datagram Sockets) protocol implementation in the Linux kernel. A local attacker could use this to cause a denial of service (system crash). (CVE-2018-7492)

It was discovered that the 802.11 software simulator implementation in the Linux kernel contained a memory leak when handling certain error conditions. A local attacker could possibly use this to cause a denial of service (memory exhaustion). (CVE-2018-8087)

Eyal Itkin discovered that the USB displaylink video adapter driver in the Linux kernel did not properly validate mmap offsets sent from userspace. A local attacker could use this to expose sensitive information (kernel memory) or possibly execute arbitrary code. (CVE-2018-8781)

References
To clipboard 

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        "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",
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    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2018-1068",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2018-1092",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2018-7492",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2018-8087",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2018-8781",
              "severity": [
                {
                  "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": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:16.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
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            "binary_version": "4.13.0-1030.33"
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          },
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          },
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            "binary_name": "linux-image-4.13.0-1030-oem",
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      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "linux-oem",
        "purl": "pkg:deb/ubuntu/linux-oem@4.13.0-1030.33?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
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              "introduced": "0"
            },
            {
              "fixed": "4.13.0-1030.33"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.13.0-1008.9",
        "4.13.0-1010.11",
        "4.13.0-1012.13",
        "4.13.0-1015.16",
        "4.13.0-1017.18",
        "4.13.0-1019.20",
        "4.13.0-1020.21",
        "4.13.0-1021.23",
        "4.13.0-1022.24",
        "4.13.0-1024.27",
        "4.13.0-1026.29",
        "4.13.0-1028.31"
      ]
    }
  ],
  "aliases": [],
  "details": "USN-3677-1 fixed vulnerabilities in the Linux kernel for Ubuntu 17.10.\nThis update provides the corresponding updates for the Linux Hardware\nEnablement (HWE) kernel from Ubuntu 17.10 for Ubuntu 16.04 LTS.\n\nIt was discovered that the netfilter subsystem of the Linux kernel did not\nproperly validate ebtables offsets. A local attacker could use this to\ncause a denial of service (system crash) or possibly execute arbitrary\ncode. (CVE-2018-1068)\n\nWen Xu discovered that the ext4 filesystem implementation in the Linux\nkernel did not properly handle corrupted meta data in some situations. An\nattacker could use this to specially craft an ext4 file system that caused\na denial of service (system crash) when mounted. (CVE-2018-1092)\n\nIt was discovered that a NULL pointer dereference existed in the RDS\n(Reliable Datagram Sockets) protocol implementation in the Linux kernel. A\nlocal attacker could use this to cause a denial of service (system crash).\n(CVE-2018-7492)\n\nIt was discovered that the 802.11 software simulator implementation in the\nLinux kernel contained a memory leak when handling certain error\nconditions. A local attacker could possibly use this to cause a denial of\nservice (memory exhaustion). (CVE-2018-8087)\n\nEyal Itkin discovered that the USB displaylink video adapter driver in the\nLinux kernel did not properly validate mmap offsets sent from userspace. A\nlocal attacker could use this to expose sensitive information (kernel\nmemory) or possibly execute arbitrary code. (CVE-2018-8781)\n",
  "id": "USN-3677-2",
  "modified": "2026-02-10T04:41:21Z",
  "published": "2018-06-12T00:18:07Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-3677-2"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-1068"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-1092"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-7492"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-8087"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-8781"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "linux-hwe, linux-gcp, linux-oem vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2018-1068",
    "UBUNTU-CVE-2018-1092",
    "UBUNTU-CVE-2018-7492",
    "UBUNTU-CVE-2018-8087",
    "UBUNTU-CVE-2018-8781"
  ]
}



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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.