usn-3879-2
Vulnerability from osv_ubuntu
Published
2019-02-04 22:47
Modified
2026-06-03 10:45
Summary
linux-lts-xenial, linux-aws vulnerabilities
Details

USN-3879-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement (HWE) kernel from Ubuntu 16.04 LTS for Ubuntu 14.04 LTS.

Wen Xu discovered that the ext4 file system implementation in the Linux kernel could possibly perform an out of bounds write when updating the journal for an inline file. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service (system crash). (CVE-2018-10883)

Vasily Averin and Pavel Tikhomirov discovered that the cleancache subsystem of the Linux kernel did not properly initialize new files in some situations. A local attacker could use this to expose sensitive information. (CVE-2018-16862)

Wei Wu discovered that the KVM implementation in the Linux kernel did not properly ensure that ioapics were initialized. A local attacker could use this to cause a denial of service (system crash). (CVE-2018-19407)

Mathias Payer and Hui Peng discovered a use-after-free vulnerability in the Advanced Linux Sound Architecture (ALSA) subsystem. A physically proximate attacker could use this to cause a denial of service (system crash). (CVE-2018-19824)

Hui Peng and Mathias Payer discovered that the USB subsystem in the Linux kernel did not properly handle size checks when handling an extra USB descriptor. A physically proximate attacker could use this to cause a denial of service (system crash). (CVE-2018-20169)

References
To clipboard 

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  "details": "USN-3879-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04\nLTS. This update provides the corresponding updates for the Linux\nHardware Enablement (HWE) kernel from Ubuntu 16.04 LTS for Ubuntu\n14.04 LTS.\n\nWen Xu discovered that the ext4 file system implementation in the Linux\nkernel could possibly perform an out of bounds write when updating the\njournal for an inline file. An attacker could use this to construct a\nmalicious ext4 image that, when mounted, could cause a denial of service\n(system crash). (CVE-2018-10883)\n\nVasily Averin and Pavel Tikhomirov discovered that the cleancache subsystem\nof the Linux kernel did not properly initialize new files in some\nsituations. A local attacker could use this to expose sensitive\ninformation. (CVE-2018-16862)\n\nWei Wu discovered that the KVM implementation in the Linux kernel did not\nproperly ensure that ioapics were initialized. A local attacker could use\nthis to cause a denial of service (system crash). (CVE-2018-19407)\n\nMathias Payer and Hui Peng discovered a use-after-free vulnerability in the\nAdvanced Linux Sound Architecture (ALSA) subsystem. A physically proximate\nattacker could use this to cause a denial of service (system crash).\n(CVE-2018-19824)\n\nHui Peng and Mathias Payer discovered that the USB subsystem in the Linux\nkernel did not properly handle size checks when handling an extra USB\ndescriptor. A physically proximate attacker could use this to cause a\ndenial of service (system crash). (CVE-2018-20169)\n",
  "id": "USN-3879-2",
  "modified": "2026-06-03T10:45:18Z",
  "published": "2019-02-04T22:47:25Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-3879-2"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-10883"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-16862"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-19407"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-19824"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-20169"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "linux-lts-xenial, linux-aws vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2018-10883",
    "UBUNTU-CVE-2018-16862",
    "UBUNTU-CVE-2018-19407",
    "UBUNTU-CVE-2018-19824",
    "UBUNTU-CVE-2018-20169"
  ]
}



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Tags
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.