usn-4076-1
Vulnerability from osv_ubuntu
Published
2019-07-25 21:51
Modified
2026-06-03 10:45
Summary
linux, linux-aws, linux-kvm, linux-raspi2 vulnerabilities
Details

It was discovered that a race condition existed in the Serial Attached SCSI (SAS) implementation in the Linux kernel. A local attacker could possibly use this to cause a denial of service (system crash) or execute arbitrary code. (CVE-2018-20836)

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)

It was discovered that the Linux kernel on ARM processors allowed a tracing process to modify a syscall after a seccomp decision had been made on that syscall. A local attacker could possibly use this to bypass seccomp restrictions. (CVE-2019-2054)

Hugues Anguelkov discovered that the Broadcom Wifi driver in the Linux kernel did not properly prevent remote firmware events from being processed for USB Wifi devices. A physically proximate attacker could use this to send firmware events to the device. (CVE-2019-9503)

It was discovered that an integer overflow existed in the Freescale (PowerPC) hypervisor manager in the Linux kernel. A local attacker with write access to /dev/fsl-hv could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2019-10142)

References
To clipboard 

{
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                {
                  "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
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                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2019-2054",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2019-9503",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2019-10142",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "negligible",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2019-11833",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
                  "type": "CVSS_V3"
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                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
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            },
            {
              "id": "CVE-2019-11884",
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                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
                  "type": "CVSS_V3"
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              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2019-2054",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2019-9503",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2019-10142",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "negligible",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2019-11833",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2019-11884",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:16.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "linux-buildinfo-4.4.0-1117-raspi2",
            "binary_version": "4.4.0-1117.126"
          },
          {
            "binary_name": "linux-headers-4.4.0-1117-raspi2",
            "binary_version": "4.4.0-1117.126"
          },
          {
            "binary_name": "linux-image-4.4.0-1117-raspi2",
            "binary_version": "4.4.0-1117.126"
          },
          {
            "binary_name": "linux-modules-4.4.0-1117-raspi2",
            "binary_version": "4.4.0-1117.126"
          },
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            "binary_version": "4.4.0-1117.126"
          },
          {
            "binary_name": "linux-tools-4.4.0-1117-raspi2",
            "binary_version": "4.4.0-1117.126"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "linux-raspi2",
        "purl": "pkg:deb/ubuntu/linux-raspi2@4.4.0-1117.126?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.4.0-1117.126"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.2.0-1013.19",
        "4.2.0-1014.21",
        "4.3.0-1006.6",
        "4.4.0-1003.4",
        "4.4.0-1004.5",
        "4.4.0-1009.10",
        "4.4.0-1010.12",
        "4.4.0-1010.13",
        "4.4.0-1012.16",
        "4.4.0-1016.22",
        "4.4.0-1017.23",
        "4.4.0-1019.25",
        "4.4.0-1021.27",
        "4.4.0-1023.29",
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        "4.4.0-1054.61",
        "4.4.0-1055.62",
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        "4.4.0-1059.67",
        "4.4.0-1061.69",
        "4.4.0-1065.73",
        "4.4.0-1067.75",
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        "4.4.0-1070.78",
        "4.4.0-1071.79",
        "4.4.0-1074.82",
        "4.4.0-1075.83",
        "4.4.0-1076.84",
        "4.4.0-1077.85",
        "4.4.0-1079.87",
        "4.4.0-1080.88",
        "4.4.0-1082.90",
        "4.4.0-1085.93",
        "4.4.0-1086.94",
        "4.4.0-1087.95",
        "4.4.0-1089.97",
        "4.4.0-1090.98",
        "4.4.0-1091.99",
        "4.4.0-1092.100",
        "4.4.0-1094.102",
        "4.4.0-1095.103",
        "4.4.0-1096.104",
        "4.4.0-1098.106",
        "4.4.0-1099.107",
        "4.4.0-1100.108",
        "4.4.0-1101.109",
        "4.4.0-1102.110",
        "4.4.0-1103.111",
        "4.4.0-1104.112",
        "4.4.0-1106.114",
        "4.4.0-1107.115",
        "4.4.0-1109.117",
        "4.4.0-1110.118",
        "4.4.0-1111.120",
        "4.4.0-1114.123"
      ]
    }
  ],
  "aliases": [],
  "details": "It was discovered that a race condition existed in the Serial Attached SCSI\n(SAS) implementation in the Linux kernel. A local attacker could possibly\nuse this to cause a denial of service (system crash) or execute arbitrary\ncode. (CVE-2018-20836)\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\nIt was discovered that the Linux kernel on ARM processors allowed a tracing\nprocess to modify a syscall after a seccomp decision had been made on that\nsyscall. A local attacker could possibly use this to bypass seccomp\nrestrictions. (CVE-2019-2054)\n\nHugues Anguelkov discovered that the Broadcom Wifi driver in the Linux\nkernel did not properly prevent remote firmware events from being processed\nfor USB Wifi devices. A physically proximate attacker could use this to\nsend firmware events to the device. (CVE-2019-9503)\n\nIt was discovered that an integer overflow existed in the Freescale\n(PowerPC) hypervisor manager in the Linux kernel. A local attacker with\nwrite access to /dev/fsl-hv could use this to cause a denial of service\n(system crash) or possibly execute arbitrary code. (CVE-2019-10142)\n",
  "id": "USN-4076-1",
  "modified": "2026-06-03T10:45:19Z",
  "published": "2019-07-25T21:51:26Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4076-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-20836"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-2054"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-9503"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-10142"
    },
    {
      "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, linux-aws, linux-kvm, linux-raspi2 vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2018-20836",
    "UBUNTU-CVE-2019-2054",
    "UBUNTU-CVE-2019-9503",
    "UBUNTU-CVE-2019-10142",
    "UBUNTU-CVE-2019-11833",
    "UBUNTU-CVE-2019-11884"
  ]
}



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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.