usn-4157-2
Vulnerability from osv_ubuntu
Published
2019-10-22 02:37
Modified
2026-06-03 10:45
Summary
linux-hwe, linux-azure, linux-gcp, linux-gke-5.0 vulnerabilities
Details

USN-4157-1 fixed vulnerabilities in the Linux kernel for Ubuntu 19.04. This update provides the corresponding updates for the Linux Hardware Enablement (HWE) kernel from Ubuntu 19.04 for Ubuntu 18.04 LTS.

Wen Huang discovered that the Marvell Wi-Fi device driver in the Linux kernel did not properly perform bounds checking, leading to a heap overflow. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2019-14814, CVE-2019-14815, CVE-2019-14816)

Matt Delco discovered that the KVM hypervisor implementation in the Linux kernel did not properly perform bounds checking when handling coalesced MMIO write operations. A local attacker with write access to /dev/kvm could use this to cause a denial of service (system crash). (CVE-2019-14821)

Hui Peng and Mathias Payer discovered that the 91x Wi-Fi driver in the Linux kernel did not properly handle error conditions on initialization, leading to a double-free vulnerability. A physically proximate attacker could use this to cause a denial of service (system crash). (CVE-2019-15504)

It was discovered that the Technisat DVB-S/S2 USB device driver in the Linux kernel contained a buffer overread. A physically proximate attacker could use this to cause a denial of service (system crash) or possibly expose sensitive information. (CVE-2019-15505)

Brad Spengler discovered that a Spectre mitigation was improperly implemented in the ptrace susbsystem of the Linux kernel. A local attacker could possibly use this to expose sensitive information. (CVE-2019-15902)

It was discovered that the IPv6 RDS implementation in the Linux kernel did not properly initialize fields in a data structure returned to user space. A local attacker could use this to expose sensitive information (kernel memory). Please note that the RDS protocol is disabled via blocklist in Ubuntu by default. (CVE-2019-16714)

It was discovered that an integer overflow existed in the Binder implementation of the Linux kernel, leading to a buffer overflow. A local attacker could use this to escalate privileges. (CVE-2019-2181)

References
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  "details": "USN-4157-1 fixed vulnerabilities in the Linux kernel for Ubuntu 19.04.\nThis update provides the corresponding updates for the Linux\nHardware Enablement (HWE) kernel from Ubuntu 19.04 for Ubuntu\n18.04 LTS.\n\nWen Huang discovered that the Marvell Wi-Fi device driver in the Linux\nkernel did not properly perform bounds checking, leading to a heap\noverflow. A local attacker could use this to cause a denial of service\n(system crash) or possibly execute arbitrary code. (CVE-2019-14814,\nCVE-2019-14815, CVE-2019-14816)\n\nMatt Delco discovered that the KVM hypervisor implementation in the Linux\nkernel did not properly perform bounds checking when handling coalesced\nMMIO write operations. A local attacker with write access to /dev/kvm could\nuse this to cause a denial of service (system crash). (CVE-2019-14821)\n\nHui Peng and Mathias Payer discovered that the 91x Wi-Fi driver in the\nLinux kernel did not properly handle error conditions on initialization,\nleading to a double-free vulnerability. A physically proximate attacker\ncould use this to cause a denial of service (system crash).\n(CVE-2019-15504)\n\nIt was discovered that the Technisat DVB-S/S2 USB device driver in the\nLinux kernel contained a buffer overread. A physically proximate attacker\ncould use this to cause a denial of service (system crash) or possibly\nexpose sensitive information. (CVE-2019-15505)\n\nBrad Spengler discovered that a Spectre mitigation was improperly\nimplemented in the ptrace susbsystem of the Linux kernel. A local attacker\ncould possibly use this to expose sensitive information. (CVE-2019-15902)\n\nIt was discovered that the IPv6 RDS implementation in the Linux kernel did\nnot properly initialize fields in a data structure returned to user space.\nA local attacker could use this to expose sensitive information (kernel\nmemory). Please note that the RDS protocol is disabled via blocklist in\nUbuntu by default. (CVE-2019-16714)\n\nIt was discovered that an integer overflow existed in the Binder\nimplementation of the Linux kernel, leading to a buffer overflow. A local\nattacker could use this to escalate privileges. (CVE-2019-2181)\n",
  "id": "USN-4157-2",
  "modified": "2026-06-03T10:45:19Z",
  "published": "2019-10-22T02:37:11Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4157-2"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-2181"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-14814"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-14815"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-14816"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-14821"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-15504"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-15505"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-15902"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-16714"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "linux-hwe, linux-azure, linux-gcp, linux-gke-5.0 vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2019-2181",
    "UBUNTU-CVE-2019-14814",
    "UBUNTU-CVE-2019-14815",
    "UBUNTU-CVE-2019-14816",
    "UBUNTU-CVE-2019-14821",
    "UBUNTU-CVE-2019-15504",
    "UBUNTU-CVE-2019-15505",
    "UBUNTU-CVE-2019-15902",
    "UBUNTU-CVE-2019-16714"
  ]
}



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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.