Vulnerability-Lookup

ubuntu-cve-2018-16880

Vulnerability from osv_ubuntu

Published

2019-01-29 00:00

Modified

2025-09-08 16:45

Summary

Details

A flaw was found in the Linux kernel's handle_rx() function in the [vhost_net] driver. A malicious virtual guest, under specific conditions, can trigger an out-of-bounds write in a kmalloc-8 slab on a virtual host which may lead to a kernel memory corruption and a system panic. Due to the nature of the flaw, privilege escalation cannot be fully ruled out. Versions from v4.16 and newer are vulnerable.

Severity

7.0 (High)


                    
                      CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

5.9 (Medium)


                    
                      CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N

7.0 (High)


                    
                      CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2018-16880	REPORT
	https://www.openwall.com/lists/oss-security/2019/…	REPORT
	https://git.kernel.org/pub/scm/linux/kernel/git/t…	REPORT
	https://ubuntu.com/security/notices/USN-3903-1	ADVISORY
	https://ubuntu.com/security/notices/USN-3903-2	ADVISORY
	https://www.cve.org/CVERecord?id=CVE-2018-16880	REPORT

JSON

To clipboard

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            "binary_version": "4.18.0-16.17~18.04.1"
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            "binary_version": "4.18.0-16.17~18.04.1"
          },
          {
            "binary_name": "storage-core-modules-4.18.0-16-generic-lpae-di",
            "binary_version": "4.18.0-16.17~18.04.1"
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          },
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        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "linux-hwe",
        "purl": "pkg:deb/ubuntu/linux-hwe@4.18.0-16.17~18.04.1?arch=source\u0026distro=bionic"
      },
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        "4.18.0-15.16~18.04.1"
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    }
  ],
  "aliases": [],
  "details": "A flaw was found in the Linux kernel\u0027s handle_rx() function in the [vhost_net] driver. A malicious virtual guest, under specific conditions, can trigger an out-of-bounds write in a kmalloc-8 slab on a virtual host which may lead to a kernel memory corruption and a system panic. Due to the nature of the flaw, privilege escalation cannot be fully ruled out. Versions from v4.16 and newer are vulnerable.",
  "id": "UBUNTU-CVE-2018-16880",
  "modified": "2025-09-08T16:45:01Z",
  "published": "2019-01-29T00:00:00Z",
  "references": [
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      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-16880"
    },
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      "type": "REPORT",
      "url": "https://www.openwall.com/lists/oss-security/2019/01/25/1"
    },
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      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b46a0bf78ad7b150ef5910da83859f7f5a514ffd"
    },
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    },
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    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2018-16880"
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  ],
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    "USN-3903-1",
    "USN-3903-2"
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  "schema_version": "1.7.0",
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    },
    {
      "score": "CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N",
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    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2018-16880"
  ]
}

CVE-2018-16880 (GCVE-0-2018-16880)

Vulnerability from cvelistv5 – Published: 2019-01-29 16:00 – Updated: 2024-08-05 10:32

Summary

Severity

5.9 (Medium)


                        
                          CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N

CWE

CWE-787

Assigner

redhat

References

6 references

URL	Tags
https://usn.ubuntu.com/3903-2/	vendor-advisoryx_refsource_UBUNTU
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2…	x_refsource_CONFIRM
http://www.securityfocus.com/bid/106735	vdb-entryx_refsource_BID
https://usn.ubuntu.com/3903-1/	vendor-advisoryx_refsource_UBUNTU
https://support.f5.com/csp/article/K03593314	x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE

Impacted products

1 product

Vendor	Product	Version
The Linux Foundation	kernel	Affected: from v4.16 and newer

Date Public

2019-01-25 00:00

Show details on NVD website

JSON

To clipboard

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usn-3903-2

Vulnerability from osv_ubuntu

Published

2019-03-06 19:33

Modified

2026-02-10 04:41

Summary

linux-hwe, linux-azure vulnerabilities

Details

USN-3903-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.10. This update provides the corresponding updates for the Linux Hardware Enablement (HWE) kernel from Ubuntu 18.10 for Ubuntu 18.04 LTS.

Jason Wang discovered that the vhost net driver in the Linux kernel contained an out of bounds write vulnerability. An attacker in a guest virtual machine could use this to cause a denial of service (host system crash) or possibly execute arbitrary code in the host kernel. (CVE-2018-16880)

Jann Horn discovered that the userfaultd implementation in the Linux kernel did not properly restrict access to certain ioctls. A local attacker could use this possibly to modify files. (CVE-2018-18397)

Jann Horn discovered a race condition in the fork() system call in the Linux kernel. A local attacker could use this to gain access to services that cache authorizations. (CVE-2019-6133)

References

URL

Type

	https://ubuntu.com/security/notices/USN-3903-2	ADVISORY
	https://ubuntu.com/security/CVE-2018-16880	REPORT
	https://ubuntu.com/security/CVE-2018-18397	REPORT
	https://ubuntu.com/security/CVE-2019-6133	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "database_specific": {
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          "cves": [
            {
              "id": "CVE-2018-16880",
              "severity": [
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            {
              "id": "CVE-2018-18397",
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                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
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              ]
            },
            {
              "id": "CVE-2019-6133",
              "severity": [
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                  "score": "CVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H",
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            }
          ],
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        "binaries": [
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      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "linux-hwe",
        "purl": "pkg:deb/ubuntu/linux-hwe@4.18.0-16.17~18.04.1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.18.0-16.17~18.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.18.0-13.14~18.04.1",
        "4.18.0-14.15~18.04.1",
        "4.18.0-15.16~18.04.1"
      ]
    }
  ],
  "aliases": [],
  "details": "USN-3903-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.10.\nThis update provides the corresponding updates for the Linux Hardware\nEnablement (HWE) kernel from Ubuntu 18.10 for Ubuntu 18.04 LTS.\n\nJason Wang discovered that the vhost net driver in the Linux kernel\ncontained an out of bounds write vulnerability. An attacker in a guest\nvirtual machine could use this to cause a denial of service (host system\ncrash) or possibly execute arbitrary code in the host kernel.\n(CVE-2018-16880)\n\nJann Horn discovered that the userfaultd implementation in the Linux kernel\ndid not properly restrict access to certain ioctls. A local attacker could\nuse this possibly to modify files. (CVE-2018-18397)\n\nJann Horn discovered a race condition in the fork() system call in the\nLinux kernel. A local attacker could use this to gain access to services\nthat cache authorizations. (CVE-2019-6133)\n",
  "id": "USN-3903-2",
  "modified": "2026-02-10T04:41:29Z",
  "published": "2019-03-06T19:33:05Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-3903-2"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-16880"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-18397"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-6133"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "linux-hwe, linux-azure vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2018-16880",
    "UBUNTU-CVE-2018-18397",
    "UBUNTU-CVE-2019-6133"
  ]
}

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.

Action not permitted

ubuntu-cve-2018-16880

Vulnerability from osv_ubuntu

CVE-2018-16880 (GCVE-0-2018-16880)

usn-3903-2

Vulnerability from osv_ubuntu

Tags

Sightings

Nomenclature