usn-4068-2
Vulnerability from osv_ubuntu
Published
2019-07-23 04:47
Modified
2026-06-03 10:45
Summary
linux-hwe, linux-gcp vulnerabilities
Details

USN-4068-1 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 for Ubuntu 16.04 LTS.

Adam Zabrocki discovered that the Intel i915 kernel mode graphics driver in the Linux kernel did not properly restrict mmap() ranges in some situations. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2019-11085)

It was discovered that a race condition leading to a use-after-free existed in the Reliable Datagram Sockets (RDS) protocol implementation in the Linux kernel. The RDS protocol is disabled via blocklist by default in Ubuntu. If enabled, a local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2019-11815)

It was discovered that the ext4 file system implementation in the Linux kernel did not properly zero out memory in some situations. A local attacker could use this to expose sensitive information (kernel memory). (CVE-2019-11833)

It was discovered that the Bluetooth Human Interface Device Protocol (HIDP) implementation in the Linux kernel did not properly verify strings were NULL terminated in certain situations. A local attacker could use this to expose sensitive information (kernel memory). (CVE-2019-11884)

References
To clipboard 

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        "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",
        "4.15.0-24.26~16.04.1",
        "4.15.0-29.31~16.04.1",
        "4.15.0-30.32~16.04.1",
        "4.15.0-32.35~16.04.1",
        "4.15.0-33.36~16.04.1",
        "4.15.0-34.37~16.04.1",
        "4.15.0-36.39~16.04.1",
        "4.15.0-38.41~16.04.1",
        "4.15.0-39.42~16.04.1",
        "4.15.0-42.45~16.04.1",
        "4.15.0-43.46~16.04.1",
        "4.15.0-45.48~16.04.1",
        "4.15.0-46.49~16.04.1",
        "4.15.0-47.50~16.04.1",
        "4.15.0-48.51~16.04.1",
        "4.15.0-50.54~16.04.1",
        "4.15.0-51.55~16.04.1",
        "4.15.0-52.56~16.04.1",
        "4.15.0-54.58~16.04.1"
      ]
    }
  ],
  "aliases": [],
  "details": "USN-4068-1 fixed vulnerabilities in the Linux kernel for Ubuntu\n18.04 LTS. This update provides the corresponding updates for the\nLinux Hardware Enablement (HWE) kernel from Ubuntu 18.04 for Ubuntu\n16.04 LTS.\n\nAdam Zabrocki discovered that the Intel i915 kernel mode graphics driver in\nthe Linux kernel did not properly restrict mmap() ranges in some\nsituations. A local attacker could use this to cause a denial of service\n(system crash) or possibly execute arbitrary code. (CVE-2019-11085)\n\nIt was discovered that a race condition leading to a use-after-free existed\nin the Reliable Datagram Sockets (RDS) protocol implementation in the Linux\nkernel. The RDS protocol is disabled via blocklist by default in Ubuntu. \nIf enabled, a local attacker could use this to cause a denial of service\n(system crash) or possibly execute arbitrary code. (CVE-2019-11815)\n\nIt was discovered that the ext4 file system implementation in the Linux\nkernel did not properly zero out memory in some situations. A local\nattacker could use this to expose sensitive information (kernel memory).\n(CVE-2019-11833)\n\nIt was discovered that the Bluetooth Human Interface Device Protocol (HIDP)\nimplementation in the Linux kernel did not properly verify strings were\nNULL terminated in certain situations. A local attacker could use this to\nexpose sensitive information (kernel memory). (CVE-2019-11884)\n",
  "id": "USN-4068-2",
  "modified": "2026-06-03T10:45:19Z",
  "published": "2019-07-23T04:47:10Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4068-2"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-11085"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-11815"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-11833"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-11884"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "linux-hwe, linux-gcp vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2019-11085",
    "UBUNTU-CVE-2019-11815",
    "UBUNTU-CVE-2019-11833",
    "UBUNTU-CVE-2019-11884"
  ]
}



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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.