usn-3871-4
Vulnerability from osv_ubuntu
Published
2019-02-04 21:54
Modified
2026-02-10 04:41
Summary
linux-hwe, linux-aws-hwe, linux-gcp vulnerabilities
Details

USN-3871-1 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 LTS for Ubuntu 16.04 LTS.

Wen Xu discovered that a use-after-free vulnerability existed in the ext4 filesystem implementation in the Linux kernel. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2018-10876, CVE-2018-10879)

Wen Xu discovered that a buffer overflow existed in the ext4 filesystem implementation in the Linux kernel. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2018-10877)

Wen Xu discovered that an out-of-bounds write vulnerability existed in the ext4 filesystem implementation in the Linux kernel. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2018-10878, CVE-2018-10882)

Wen Xu discovered that the ext4 filesystem implementation in the Linux kernel did not properly ensure that xattr information remained in inode bodies. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service (system crash). (CVE-2018-10880)

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)

It was discovered that a race condition existed in the vsock address family implementation of the Linux kernel that could lead to a use-after-free condition. A local attacker in a guest virtual machine could use this to expose sensitive information (host machine kernel memory). (CVE-2018-14625)

Cfir Cohen discovered that a use-after-free vulnerability existed in the KVM implementation of the Linux kernel, when handling interrupts in environments where nested virtualization is in use (nested KVM virtualization is not enabled by default in Ubuntu kernels). A local attacker in a guest VM could possibly use this to gain administrative privileges in a host machine. (CVE-2018-16882)

Jann Horn discovered that the procfs file system implementation in the Linux kernel did not properly restrict the ability to inspect the kernel stack of an arbitrary task. A local attacker could use this to expose sensitive information. (CVE-2018-17972)

Jann Horn discovered that the mremap() system call in the Linux kernel did not properly flush the TLB when completing, potentially leaving access to a physical page after it has been released to the page allocator. A local attacker could use this to cause a denial of service (system crash), expose sensitive information, or possibly execute arbitrary code. (CVE-2018-18281)

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)

It was discovered that the debug interface for the Linux kernel's HID subsystem did not properly perform bounds checking in some situations. An attacker with access to debugfs could use this to cause a denial of service or possibly gain additional privileges. (CVE-2018-9516)

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
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          "cves": [
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              "id": "CVE-2018-9516",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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              "id": "CVE-2018-10878",
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            {
              "id": "CVE-2018-10880",
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                  "score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
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                },
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              "id": "CVE-2018-10882",
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            {
              "id": "CVE-2018-10883",
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                  "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
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            {
              "id": "CVE-2018-14625",
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              "id": "CVE-2018-16882",
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                  "type": "CVSS_V3"
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              "id": "CVE-2018-17972",
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                  "type": "CVSS_V3"
                },
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              "id": "CVE-2018-18281",
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          ],
          "ecosystem": "Ubuntu:16.04:LTS"
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      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
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            "binary_name": "linux-aws-headers-4.15.0-1032",
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                  "type": "CVSS_V3"
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              "id": "CVE-2018-10877",
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                  "type": "CVSS_V3"
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                {
                  "score": "low",
                  "type": "Ubuntu"
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              "id": "CVE-2018-10878",
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                {
                  "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:P/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H",
                  "type": "CVSS_V3"
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                {
                  "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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                },
                {
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            },
            {
              "id": "CVE-2018-10879",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2018-10880",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2018-10882",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2018-10883",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2018-14625",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2018-16882",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2018-17972",
              "severity": [
                {
                  "score": "CVSS:3.0/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-2018-18281",
              "severity": [
                {
                  "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-2018-19407",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:16.04:LTS"
        }
      },
      "ecosystem_specific": {
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        "binaries": [
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            "binary_name": "linux-modules-extra-4.15.0-1027-gcp",
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            "binary_name": "linux-tools-4.15.0-1027-gcp",
            "binary_version": "4.15.0-1027.28~16.04.1"
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        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "linux-gcp",
        "purl": "pkg:deb/ubuntu/linux-gcp@4.15.0-1027.28~16.04.1?arch=source\u0026distro=xenial"
      },
      "ranges": [
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              "introduced": "0"
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      "versions": [
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        "4.13.0-1007.10",
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        "4.13.0-1011.15",
        "4.13.0-1012.16",
        "4.13.0-1013.17",
        "4.13.0-1015.19",
        "4.13.0-1017.21",
        "4.13.0-1019.23",
        "4.15.0-1014.14~16.04.1",
        "4.15.0-1015.15~16.04.1",
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        "4.15.0-1025.26~16.04.1",
        "4.15.0-1026.27~16.04.1"
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    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2018-9516",
              "severity": [
                {
                  "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-2018-10876",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2018-10877",
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        "4.15.0-30.32~16.04.1",
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        "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"
      ]
    }
  ],
  "aliases": [],
  "details": "USN-3871-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.04\nLTS. This update provides the corresponding updates for the Linux\nHardware Enablement (HWE) kernel from Ubuntu 18.04 LTS for Ubuntu\n16.04 LTS.\n\nWen Xu discovered that a use-after-free vulnerability existed in the ext4\nfilesystem implementation in the Linux kernel. An attacker could use this\nto construct a malicious ext4 image that, when mounted, could cause a\ndenial of service (system crash) or possibly execute arbitrary code.\n(CVE-2018-10876, CVE-2018-10879)\n\nWen Xu discovered that a buffer overflow existed in the ext4 filesystem\nimplementation in the Linux kernel. An attacker could use this to construct\na malicious ext4 image that, when mounted, could cause a denial of service\n(system crash) or possibly execute arbitrary code. (CVE-2018-10877)\n\nWen Xu discovered that an out-of-bounds write vulnerability existed in the\next4 filesystem implementation in the Linux kernel. An attacker could use\nthis to construct a malicious ext4 image that, when mounted, could cause a\ndenial of service (system crash) or possibly execute arbitrary code.\n(CVE-2018-10878, CVE-2018-10882)\n\nWen Xu discovered that the ext4 filesystem implementation in the Linux\nkernel did not properly ensure that xattr information remained in inode\nbodies. An attacker could use this to construct a malicious ext4 image\nthat, when mounted, could cause a denial of service (system crash).\n(CVE-2018-10880)\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\nIt was discovered that a race condition existed in the vsock address family\nimplementation of the Linux kernel that could lead to a use-after-free\ncondition. A local attacker in a guest virtual machine could use this to\nexpose sensitive information (host machine kernel memory). (CVE-2018-14625)\n\nCfir Cohen discovered that a use-after-free vulnerability existed in the\nKVM implementation of the Linux kernel, when handling interrupts in\nenvironments where nested virtualization is in use (nested KVM\nvirtualization is not enabled by default in Ubuntu kernels). A local\nattacker in a guest VM could possibly use this to gain administrative\nprivileges in a host machine. (CVE-2018-16882)\n\nJann Horn discovered that the procfs file system implementation in the\nLinux kernel did not properly restrict the ability to inspect the kernel\nstack of an arbitrary task. A local attacker could use this to expose\nsensitive information. (CVE-2018-17972)\n\nJann Horn discovered that the mremap() system call in the Linux kernel did\nnot properly flush the TLB when completing, potentially leaving access to a\nphysical page after it has been released to the page allocator. A local\nattacker could use this to cause a denial of service (system crash), expose\nsensitive information, or possibly execute arbitrary code. (CVE-2018-18281)\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\nIt was discovered that the debug interface for the Linux kernel\u0027s HID\nsubsystem did not properly perform bounds checking in some situations. An\nattacker with access to debugfs could use this to cause a denial of service\nor possibly gain additional privileges. (CVE-2018-9516)\n",
  "id": "USN-3871-4",
  "modified": "2026-02-10T04:41:28Z",
  "published": "2019-02-04T21:54:37Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-3871-4"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-9516"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-10876"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-10877"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-10878"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-10879"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-10880"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-10882"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-10883"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-14625"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-16882"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-17972"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-18281"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-19407"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "linux-hwe, linux-aws-hwe, linux-gcp vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2018-9516",
    "UBUNTU-CVE-2018-10876",
    "UBUNTU-CVE-2018-10877",
    "UBUNTU-CVE-2018-10878",
    "UBUNTU-CVE-2018-10879",
    "UBUNTU-CVE-2018-10880",
    "UBUNTU-CVE-2018-10882",
    "UBUNTU-CVE-2018-10883",
    "UBUNTU-CVE-2018-14625",
    "UBUNTU-CVE-2018-16882",
    "UBUNTU-CVE-2018-17972",
    "UBUNTU-CVE-2018-18281",
    "UBUNTU-CVE-2018-19407"
  ]
}



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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.