usn-3695-2
Vulnerability from osv_ubuntu
Published
2018-07-02 17:49
Modified
2026-02-10 04:41
Summary
linux-hwe, linux-azure vulnerabilities
Details

USN-3695-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement (HWE) kernel from Ubuntu 18.04 LTS for Ubuntu 16.04 LTS.

Wen Xu discovered that the ext4 file system 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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        "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": "USN-3695-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.04\nLTS. This update provides the corresponding updates for the Linux\nHardware Enablement (HWE) kernel from Ubuntu 18.04 LTS for Ubuntu\n16.04 LTS.\n\nWen Xu discovered that the ext4 file system 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-3695-2",
  "modified": "2026-02-10T04:41:22Z",
  "published": "2018-07-02T17:49:33Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-3695-2"
    },
    {
      "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-hwe, linux-azure 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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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.