usn-4209-1
Vulnerability from osv_ubuntu
Published
2019-12-02 23:45
Modified
2026-06-03 10:45
Summary
linux, linux-aws, linux-aws-5.0, linux-gcp, linux-gke-5.0, linux-hwe, linux-kvm, linux-oem-osp1, linux-oracle, linux-oracle-5.0, linux-raspi2 vulnerabilities
Details

Jann Horn discovered that the OverlayFS and ShiftFS Drivers in the Linux kernel did not properly handle reference counting during memory mapping operations when used in conjunction with AUFS. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2019-15794)

It was discovered that a buffer overflow existed in the 802.11 Wi-Fi configuration interface for the Linux kernel when handling beacon settings. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2019-16746)

It was discovered that there was a memory leak in the Advanced Buffer Management functionality of the Netronome NFP4000/NFP6000 NIC Driver in the Linux kernel during certain error scenarios. A local attacker could use this to cause a denial of service (memory exhaustion). (CVE-2019-19076)

References
To clipboard 

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        "name": "linux-oracle-5.0",
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          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "5.0.0-1007.12~18.04.1"
      ]
    }
  ],
  "aliases": [],
  "details": "Jann Horn discovered that the OverlayFS and ShiftFS Drivers in the Linux\nkernel did not properly handle reference counting during memory mapping\noperations when used in conjunction with AUFS. A local attacker could use\nthis to cause a denial of service (system crash) or possibly execute\narbitrary code. (CVE-2019-15794)\n\nIt was discovered that a buffer overflow existed in the 802.11 Wi-Fi\nconfiguration interface for the Linux kernel when handling beacon settings.\nA local attacker could use this to cause a denial of service (system crash)\nor possibly execute arbitrary code. (CVE-2019-16746)\n\nIt was discovered that there was a memory leak in the Advanced Buffer\nManagement functionality of the Netronome NFP4000/NFP6000 NIC Driver in the\nLinux kernel during certain error scenarios. A local attacker could use\nthis to cause a denial of service (memory exhaustion). (CVE-2019-19076)\n",
  "id": "USN-4209-1",
  "modified": "2026-06-03T10:45:20Z",
  "published": "2019-12-02T23:45:28Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4209-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-15794"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-16746"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-19076"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "linux, linux-aws, linux-aws-5.0, linux-gcp, linux-gke-5.0, linux-hwe, linux-kvm, linux-oem-osp1, linux-oracle, linux-oracle-5.0, linux-raspi2 vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2019-15794",
    "UBUNTU-CVE-2019-16746",
    "UBUNTU-CVE-2019-19076"
  ]
}



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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.