usn-3695-1
Vulnerability from osv_ubuntu
Published
2018-07-02 17:55
Modified
2026-04-22 07:36
Summary
linux, linux-aws, linux-azure, linux-gcp, linux-kvm, linux-oem, linux-raspi2 vulnerabilities
Details

Wen Xu discovered that the ext4 filesystem implementation in the Linux kernel did not properly initialize the crc32c checksum driver. A local attacker could use this to cause a denial of service (system crash). (CVE-2018-1094)

It was discovered that the cdrom driver in the Linux kernel contained an incorrect bounds check. A local attacker could use this to expose sensitive information (kernel memory). (CVE-2018-10940)

Wen Xu discovered that the ext4 file system implementation in the Linux kernel did not properly validate xattr sizes. A local attacker could use this to cause a denial of service (system crash). (CVE-2018-1095)

Jann Horn discovered that the 32 bit adjtimex() syscall implementation for 64 bit Linux kernels did not properly initialize memory returned to user space in some situations. A local attacker could use this to expose sensitive information (kernel memory). (CVE-2018-11508)

It was discovered that an information leak vulnerability existed in the floppy driver in the Linux kernel. A local attacker could use this to expose sensitive information (kernel memory). (CVE-2018-7755)

References
To clipboard 

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            "binary_name": "serial-modules-4.15.0-1009-oem-di",
            "binary_version": "4.15.0-1009.12"
          },
          {
            "binary_name": "storage-core-modules-4.15.0-1009-oem-di",
            "binary_version": "4.15.0-1009.12"
          },
          {
            "binary_name": "usb-modules-4.15.0-1009-oem-di",
            "binary_version": "4.15.0-1009.12"
          },
          {
            "binary_name": "virtio-modules-4.15.0-1009-oem-di",
            "binary_version": "4.15.0-1009.12"
          },
          {
            "binary_name": "vlan-modules-4.15.0-1009-oem-di",
            "binary_version": "4.15.0-1009.12"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "linux-oem",
        "purl": "pkg:deb/ubuntu/linux-oem@4.15.0-1009.12?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.15.0-1009.12"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.15.0-1002.3",
        "4.15.0-1004.5",
        "4.15.0-1006.9",
        "4.15.0-1008.11"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2018-1094",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "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-2018-1095",
              "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-2018-7755",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2018-10940",
              "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-2018-11508",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:18.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "linux-headers-4.15.0-1013-raspi2",
            "binary_version": "4.15.0-1013.14"
          },
          {
            "binary_name": "linux-image-4.15.0-1013-raspi2",
            "binary_version": "4.15.0-1013.14"
          },
          {
            "binary_name": "linux-modules-4.15.0-1013-raspi2",
            "binary_version": "4.15.0-1013.14"
          },
          {
            "binary_name": "linux-raspi2-headers-4.15.0-1013",
            "binary_version": "4.15.0-1013.14"
          },
          {
            "binary_name": "linux-raspi2-tools-4.15.0-1013",
            "binary_version": "4.15.0-1013.14"
          },
          {
            "binary_name": "linux-tools-4.15.0-1013-raspi2",
            "binary_version": "4.15.0-1013.14"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "linux-raspi2",
        "purl": "pkg:deb/ubuntu/linux-raspi2@4.15.0-1013.14?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.15.0-1013.14"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.13.0-1005.5",
        "4.13.0-1006.6",
        "4.13.0-1008.8",
        "4.15.0-1006.7",
        "4.15.0-1009.10",
        "4.15.0-1010.11",
        "4.15.0-1011.12",
        "4.15.0-1012.13"
      ]
    }
  ],
  "aliases": [],
  "details": "Wen Xu discovered that the ext4 filesystem implementation in the Linux\nkernel did not properly initialize the crc32c checksum driver. A local\nattacker could use this to cause a denial of service (system crash).\n(CVE-2018-1094)\n\nIt was discovered that the cdrom driver in the Linux kernel contained an\nincorrect bounds check. A local attacker could use this to expose sensitive\ninformation (kernel memory). (CVE-2018-10940)\n\nWen Xu discovered that the ext4 file system implementation in the Linux\nkernel did not properly validate xattr sizes. A local attacker could use\nthis to cause a denial of service (system crash). (CVE-2018-1095)\n\nJann Horn discovered that the 32 bit adjtimex() syscall implementation for\n64 bit Linux kernels did not properly initialize memory returned to user\nspace in some situations. A local attacker could use this to expose\nsensitive information (kernel memory). (CVE-2018-11508)\n\nIt was discovered that an information leak vulnerability existed in the\nfloppy driver in the Linux kernel. A local attacker could use this to\nexpose sensitive information (kernel memory). (CVE-2018-7755)\n",
  "id": "USN-3695-1",
  "modified": "2026-04-22T07:36:35Z",
  "published": "2018-07-02T17:55:48Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-3695-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-1094"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-1095"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-7755"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-10940"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-11508"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "linux, linux-aws, linux-azure, linux-gcp, linux-kvm, linux-oem, linux-raspi2 vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2018-1094",
    "UBUNTU-CVE-2018-1095",
    "UBUNTU-CVE-2018-7755",
    "UBUNTU-CVE-2018-10940",
    "UBUNTU-CVE-2018-11508"
  ]
}



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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.