Vulnerability-Lookup

CVE-2016-2857 (GCVE-0-2016-2857)

Vulnerability from cvelistv5 – Published: 2016-04-08 16:00 – Updated: 2024-08-05 23:40

Summary

The net_checksum_calculate function in net/checksum.c in QEMU allows local guest OS users to cause a denial of service (out-of-bounds heap read and crash) via the payload length in a crafted packet.

Severity

8.4 (High)


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

CWE

Assigner

redhat CNA under the redhat root

CNA scorecard B 81/100 over 1002 records in the last 180 days details

References

16 references

URL	Tags
http://rhn.redhat.com/errata/RHSA-2017-0334.html	vendor-advisoryx_refsource_REDHAT
http://rhn.redhat.com/errata/RHSA-2016-2671.html	vendor-advisoryx_refsource_REDHAT
http://rhn.redhat.com/errata/RHSA-2017-0083.html	vendor-advisoryx_refsource_REDHAT
http://www.openwall.com/lists/oss-security/2016/03/03/9	mailing-listx_refsource_MLIST
http://rhn.redhat.com/errata/RHSA-2016-2706.html	vendor-advisoryx_refsource_REDHAT
http://www.openwall.com/lists/oss-security/2016/03/07/3	mailing-listx_refsource_MLIST
http://www.securityfocus.com/bid/84130	vdb-entryx_refsource_BID
http://rhn.redhat.com/errata/RHSA-2017-0350.html	vendor-advisoryx_refsource_REDHAT
http://rhn.redhat.com/errata/RHSA-2016-2705.html	vendor-advisoryx_refsource_REDHAT
http://www.ubuntu.com/usn/USN-2974-1	vendor-advisoryx_refsource_UBUNTU
http://rhn.redhat.com/errata/RHSA-2017-0309.html	vendor-advisoryx_refsource_REDHAT
http://rhn.redhat.com/errata/RHSA-2016-2670.html	vendor-advisoryx_refsource_REDHAT
http://rhn.redhat.com/errata/RHSA-2017-0344.html	vendor-advisoryx_refsource_REDHAT
http://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3B…	x_refsource_CONFIRM
https://lists.debian.org/debian-lts-announce/2018…	mailing-listx_refsource_MLIST
http://rhn.redhat.com/errata/RHSA-2016-2704.html	vendor-advisoryx_refsource_REDHAT

Date Public

2016-03-03 00:00

Show details on NVD website

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                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "The net_checksum_calculate function in net/checksum.c in QEMU allows local guest OS users to cause a denial of service (out-of-bounds heap read and crash) via the payload length in a crafted packet."
          },
          {
            "lang": "es",
            "value": "La funci\u00f3n net_checksum_calculate en net/checksum.c en QEMU permite a usuarios del SO invitado provocar una denegaci\u00f3n de servicio (lectura de memoria din\u00e1mica fuera de rango y ca\u00edda) a trav\u00e9s de una longitud de la carga \u00fatil en un paquete manipulado."
          }
        ],
        "id": "CVE-2016-2857",
        "lastModified": "2026-05-06T22:30:45.220",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "LOW",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "LOCAL",
                "authentication": "NONE",
                "availabilityImpact": "PARTIAL",
                "baseScore": 3.6,
                "confidentialityImpact": "PARTIAL",
                "integrityImpact": "NONE",
                "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:P",
                "version": "2.0"
              },
              "exploitabilityScore": 3.9,
              "impactScore": 4.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ],
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 8.4,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "NONE",
                "privilegesRequired": "LOW",
                "scope": "CHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 2.0,
              "impactScore": 5.8,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2016-04-12T02:00:07.243",
        "references": [
          {
            "source": "secalert@redhat.com",
            "url": "http://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=362786f14a753d8a5256ef97d7c10ed576d6572b"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "http://rhn.redhat.com/errata/RHSA-2016-2670.html"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
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            ],
            "url": "http://rhn.redhat.com/errata/RHSA-2016-2671.html"
          },
          {
            "source": "secalert@redhat.com",
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            ],
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          },
          {
            "source": "secalert@redhat.com",
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            ],
            "url": "http://rhn.redhat.com/errata/RHSA-2016-2705.html"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
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            ],
            "url": "http://rhn.redhat.com/errata/RHSA-2016-2706.html"
          },
          {
            "source": "secalert@redhat.com",
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            ],
            "url": "http://rhn.redhat.com/errata/RHSA-2017-0083.html"
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            "source": "secalert@redhat.com",
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          },
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            ],
            "url": "http://rhn.redhat.com/errata/RHSA-2017-0350.html"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
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            ],
            "url": "http://www.openwall.com/lists/oss-security/2016/03/03/9"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
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              "Third Party Advisory"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2016/03/07/3"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Third Party Advisory",
              "VDB Entry"
            ],
            "url": "http://www.securityfocus.com/bid/84130"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
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            ],
            "url": "http://www.ubuntu.com/usn/USN-2974-1"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Mailing List",
              "Third Party Advisory"
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            "url": "https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=362786f14a753d8a5256ef97d7c10ed576d6572b"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
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            "url": "http://rhn.redhat.com/errata/RHSA-2016-2670.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
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            "url": "http://rhn.redhat.com/errata/RHSA-2016-2671.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
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            "url": "http://rhn.redhat.com/errata/RHSA-2016-2704.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
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            "url": "http://rhn.redhat.com/errata/RHSA-2016-2705.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
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            "url": "http://rhn.redhat.com/errata/RHSA-2016-2706.html"
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          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
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            "url": "http://rhn.redhat.com/errata/RHSA-2017-0083.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
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            ],
            "url": "http://rhn.redhat.com/errata/RHSA-2017-0309.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "http://rhn.redhat.com/errata/RHSA-2017-0334.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "http://rhn.redhat.com/errata/RHSA-2017-0344.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "http://rhn.redhat.com/errata/RHSA-2017-0350.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Mailing List",
              "Third Party Advisory"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2016/03/03/9"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Mailing List",
              "Third Party Advisory"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2016/03/07/3"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory",
              "VDB Entry"
            ],
            "url": "http://www.securityfocus.com/bid/84130"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "http://www.ubuntu.com/usn/USN-2974-1"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Mailing List",
              "Third Party Advisory"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html"
          }
        ],
        "sourceIdentifier": "secalert@redhat.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-119"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-06-28T07:21:17+00:00",
      "cve": "CVE-2016-2857",
      "id": "CVE-2016-2857",
      "initial_release_date": "2016-02-17T00:00:00+00:00",
      "product_status:fixed": "122",
      "product_status:known_affected": "2",
      "product_status:known_not_affected": "6",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "Qemu: net: out of bounds read in net_checksum_calculate()",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2016/cve-2016-2857.json",
      "version": "3"
    }
  }
}

RHSA-2017:0309

Vulnerability from csaf_redhat - Published: 2017-02-23 17:35 - Updated: 2026-06-30 11:41

Summary

Red Hat Security Advisory: qemu-kvm security and bug fix update

Severity

Important

Scope

2 vulnerabilities in this advisory, including CVE-2016-2857.

CVE-2016-2857

An out-of-bounds read-access flaw was found in the QEMU emulator built with IP checksum routines. The flaw could occur when computing a TCP/UDP packet's checksum, because a QEMU function used the packet's payload length without checking against the data buffer's size. A user inside a guest could use this flaw to crash the QEMU process (denial of service).

4.7 (Medium)


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

Fixed: 32 products

https://access.redhat.com/errata/RHSA-2017:0309

Open the full advisory

RHSA-2017:0334

Vulnerability from csaf_redhat - Published: 2017-02-27 23:12 - Updated: 2026-06-30 11:41

Summary

Red Hat Security Advisory: qemu-kvm-rhev security update

Severity

Important

Scope

3 vulnerabilities in this advisory, including CVE-2016-2857.

CVE-2016-2857

4.7 (Medium)


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

Fixed: 5 products

https://access.redhat.com/errata/RHSA-2017:0334

Open the full advisory

RHSA-2017:0344

Vulnerability from csaf_redhat - Published: 2017-02-28 14:21 - Updated: 2026-06-30 11:41

Summary

Red Hat Security Advisory: qemu-kvm-rhev security update

Severity

Important

Scope

2 vulnerabilities in this advisory, including CVE-2016-2857.

CVE-2016-2857

4.7 (Medium)


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

Fixed: 5 products

https://access.redhat.com/errata/RHSA-2017:0344

Open the full advisory

RHSA-2017:0350

Vulnerability from csaf_redhat - Published: 2017-03-01 07:59 - Updated: 2026-06-30 11:41

Summary

Red Hat Security Advisory: qemu-kvm-rhev security and bug fix update

Severity

Important

Scope

3 vulnerabilities in this advisory, including CVE-2016-2857.

CVE-2016-2857

4.7 (Medium)


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

Fixed: 22 products

https://access.redhat.com/errata/RHSA-2017:0350

Open the full advisory

SUSE-SU-2016:1560-1

Vulnerability from csaf_suse - Published: 2016-06-13 07:13 - Updated: 2026-09-20 12:14

Summary

Security update for qemu

Severity

Important

Scope

37 vulnerabilities in this advisory, including CVE-2016-2857.

CVE-2016-2857

8.4 (High)


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

Recommended: 84 products

Open the full advisory

SUSE-SU-2016:1698-1

Vulnerability from csaf_suse - Published: 2016-06-28 14:31 - Updated: 2026-09-20 12:14

Summary

Security update for kvm

Severity

Important

Scope

33 vulnerabilities in this advisory, including CVE-2016-2857.

CVE-2016-2857

8.4 (High)


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

Recommended: 15 products

Open the full advisory

SUSE-SU-2016:1703-1

Vulnerability from csaf_suse - Published: 2016-06-29 05:47 - Updated: 2026-09-20 12:14

Summary

Security update for qemu

Severity

Important

Scope

32 vulnerabilities in this advisory, including CVE-2016-2857.

CVE-2016-2857

8.4 (High)


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

Recommended: 84 products

Open the full advisory

SUSE-SU-2016:1785-1

Vulnerability from csaf_suse - Published: 2016-07-11 11:31 - Updated: 2026-09-20 12:15

Summary

Security update for kvm

Severity

Important

Scope

33 vulnerabilities in this advisory, including CVE-2016-2857.

CVE-2016-2857

8.4 (High)


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

Recommended: 6 products

Open the full advisory

UBUNTU-CVE-2016-2857 (CVE-2016-2857)

Vulnerability from osv_ubuntu – Published: 2016-04-11 00:00 – Updated: 2025-09-08 16:43 – Source website

Details

The net_checksum_calculate function in net/checksum.c in QEMU allows local guest OS users to cause a denial of service (out-of-bounds heap read and crash) via the payload length in a crafted packet.

Severity

8.4 (High)


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

6.5 (Medium)


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

N/A (UNKNOWN)

low

References

URL

Type

	https://ubuntu.com/security/CVE-2016-2857	REPORT
	https://lists.gnu.org/archive/html/qemu-devel/201…	REPORT
	http://www.openwall.com/lists/oss-security/2016/03/03/9	REPORT
	https://ubuntu.com/security/notices/USN-2974-1	ADVISORY
	https://www.cve.org/CVERecord?id=CVE-2016-2857	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "qemu",
            "binary_version": "2.0.0+dfsg-2ubuntu1.24"
          },
          {
            "binary_name": "qemu-common",
            "binary_version": "2.0.0+dfsg-2ubuntu1.24"
          },
          {
            "binary_name": "qemu-guest-agent",
            "binary_version": "2.0.0+dfsg-2ubuntu1.24"
          },
          {
            "binary_name": "qemu-keymaps",
            "binary_version": "2.0.0+dfsg-2ubuntu1.24"
          },
          {
            "binary_name": "qemu-kvm",
            "binary_version": "2.0.0+dfsg-2ubuntu1.24"
          },
          {
            "binary_name": "qemu-system",
            "binary_version": "2.0.0+dfsg-2ubuntu1.24"
          },
          {
            "binary_name": "qemu-system-aarch64",
            "binary_version": "2.0.0+dfsg-2ubuntu1.24"
          },
          {
            "binary_name": "qemu-system-arm",
            "binary_version": "2.0.0+dfsg-2ubuntu1.24"
          },
          {
            "binary_name": "qemu-system-common",
            "binary_version": "2.0.0+dfsg-2ubuntu1.24"
          },
          {
            "binary_name": "qemu-system-mips",
            "binary_version": "2.0.0+dfsg-2ubuntu1.24"
          },
          {
            "binary_name": "qemu-system-misc",
            "binary_version": "2.0.0+dfsg-2ubuntu1.24"
          },
          {
            "binary_name": "qemu-system-ppc",
            "binary_version": "2.0.0+dfsg-2ubuntu1.24"
          },
          {
            "binary_name": "qemu-system-sparc",
            "binary_version": "2.0.0+dfsg-2ubuntu1.24"
          },
          {
            "binary_name": "qemu-system-x86",
            "binary_version": "2.0.0+dfsg-2ubuntu1.24"
          },
          {
            "binary_name": "qemu-user",
            "binary_version": "2.0.0+dfsg-2ubuntu1.24"
          },
          {
            "binary_name": "qemu-user-static",
            "binary_version": "2.0.0+dfsg-2ubuntu1.24"
          },
          {
            "binary_name": "qemu-utils",
            "binary_version": "2.0.0+dfsg-2ubuntu1.24"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:14.04:LTS",
        "name": "qemu",
        "purl": "pkg:deb/ubuntu/qemu@2.0.0+dfsg-2ubuntu1.24?arch=source\u0026distro=trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.0.0+dfsg-2ubuntu1.24"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.5.0+dfsg-3ubuntu5",
        "1.5.0+dfsg-3ubuntu6",
        "1.6.0+dfsg-2ubuntu1",
        "1.6.0+dfsg-2ubuntu2",
        "1.6.0+dfsg-2ubuntu3",
        "1.6.0+dfsg-2ubuntu4",
        "1.7.0+dfsg-2ubuntu1",
        "1.7.0+dfsg-2ubuntu2",
        "1.7.0+dfsg-2ubuntu3",
        "1.7.0+dfsg-2ubuntu4",
        "1.7.0+dfsg-2ubuntu5",
        "1.7.0+dfsg-2ubuntu7",
        "1.7.0+dfsg-2ubuntu8",
        "1.7.0+dfsg-2ubuntu9",
        "1.7.0+dfsg-3ubuntu1~ppa1",
        "1.7.0+dfsg-3ubuntu1",
        "1.7.0+dfsg-3ubuntu2",
        "1.7.0+dfsg-3ubuntu3",
        "1.7.0+dfsg-3ubuntu4",
        "1.7.0+dfsg-3ubuntu5",
        "1.7.0+dfsg-3ubuntu6",
        "1.7.0+dfsg-3ubuntu7",
        "2.0.0~rc1+dfsg-0ubuntu1",
        "2.0.0~rc1+dfsg-0ubuntu2",
        "2.0.0~rc1+dfsg-0ubuntu3",
        "2.0.0~rc1+dfsg-0ubuntu3.1",
        "2.0.0+dfsg-2ubuntu1",
        "2.0.0+dfsg-2ubuntu1.1",
        "2.0.0+dfsg-2ubuntu1.2",
        "2.0.0+dfsg-2ubuntu1.3",
        "2.0.0+dfsg-2ubuntu1.5",
        "2.0.0+dfsg-2ubuntu1.6",
        "2.0.0+dfsg-2ubuntu1.7",
        "2.0.0+dfsg-2ubuntu1.8",
        "2.0.0+dfsg-2ubuntu1.9",
        "2.0.0+dfsg-2ubuntu1.10",
        "2.0.0+dfsg-2ubuntu1.11",
        "2.0.0+dfsg-2ubuntu1.13",
        "2.0.0+dfsg-2ubuntu1.14",
        "2.0.0+dfsg-2ubuntu1.15",
        "2.0.0+dfsg-2ubuntu1.16",
        "2.0.0+dfsg-2ubuntu1.17",
        "2.0.0+dfsg-2ubuntu1.18",
        "2.0.0+dfsg-2ubuntu1.19",
        "2.0.0+dfsg-2ubuntu1.20",
        "2.0.0+dfsg-2ubuntu1.21",
        "2.0.0+dfsg-2ubuntu1.22"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "qemu",
            "binary_version": "1:2.5+dfsg-5ubuntu10.1"
          },
          {
            "binary_name": "qemu-block-extra",
            "binary_version": "1:2.5+dfsg-5ubuntu10.1"
          },
          {
            "binary_name": "qemu-guest-agent",
            "binary_version": "1:2.5+dfsg-5ubuntu10.1"
          },
          {
            "binary_name": "qemu-kvm",
            "binary_version": "1:2.5+dfsg-5ubuntu10.1"
          },
          {
            "binary_name": "qemu-system",
            "binary_version": "1:2.5+dfsg-5ubuntu10.1"
          },
          {
            "binary_name": "qemu-system-aarch64",
            "binary_version": "1:2.5+dfsg-5ubuntu10.1"
          },
          {
            "binary_name": "qemu-system-arm",
            "binary_version": "1:2.5+dfsg-5ubuntu10.1"
          },
          {
            "binary_name": "qemu-system-common",
            "binary_version": "1:2.5+dfsg-5ubuntu10.1"
          },
          {
            "binary_name": "qemu-system-mips",
            "binary_version": "1:2.5+dfsg-5ubuntu10.1"
          },
          {
            "binary_name": "qemu-system-misc",
            "binary_version": "1:2.5+dfsg-5ubuntu10.1"
          },
          {
            "binary_name": "qemu-system-ppc",
            "binary_version": "1:2.5+dfsg-5ubuntu10.1"
          },
          {
            "binary_name": "qemu-system-s390x",
            "binary_version": "1:2.5+dfsg-5ubuntu10.1"
          },
          {
            "binary_name": "qemu-system-sparc",
            "binary_version": "1:2.5+dfsg-5ubuntu10.1"
          },
          {
            "binary_name": "qemu-system-x86",
            "binary_version": "1:2.5+dfsg-5ubuntu10.1"
          },
          {
            "binary_name": "qemu-user",
            "binary_version": "1:2.5+dfsg-5ubuntu10.1"
          },
          {
            "binary_name": "qemu-user-binfmt",
            "binary_version": "1:2.5+dfsg-5ubuntu10.1"
          },
          {
            "binary_name": "qemu-user-static",
            "binary_version": "1:2.5+dfsg-5ubuntu10.1"
          },
          {
            "binary_name": "qemu-utils",
            "binary_version": "1:2.5+dfsg-5ubuntu10.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "qemu",
        "purl": "pkg:deb/ubuntu/qemu@1:2.5+dfsg-5ubuntu10.1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:2.5+dfsg-5ubuntu10.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:2.3+dfsg-5ubuntu9",
        "1:2.3+dfsg-5ubuntu10",
        "1:2.4+dfsg-4ubuntu1",
        "1:2.4+dfsg-4ubuntu2",
        "1:2.4+dfsg-4ubuntu3",
        "1:2.4+dfsg-5ubuntu3",
        "1:2.5+dfsg-1ubuntu2",
        "1:2.5+dfsg-1ubuntu3",
        "1:2.5+dfsg-1ubuntu4",
        "1:2.5+dfsg-1ubuntu5",
        "1:2.5+dfsg-5ubuntu1",
        "1:2.5+dfsg-5ubuntu2",
        "1:2.5+dfsg-5ubuntu4",
        "1:2.5+dfsg-5ubuntu6",
        "1:2.5+dfsg-5ubuntu7",
        "1:2.5+dfsg-5ubuntu10"
      ]
    }
  ],
  "aliases": [],
  "details": "The net_checksum_calculate function in net/checksum.c in QEMU allows local guest OS users to cause a denial of service (out-of-bounds heap read and crash) via the payload length in a crafted packet.",
  "id": "UBUNTU-CVE-2016-2857",
  "modified": "2025-09-08T16:43:40Z",
  "published": "2016-04-11T00:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2016-2857"
    },
    {
      "type": "REPORT",
      "url": "https://lists.gnu.org/archive/html/qemu-devel/2016-03/msg00671.html"
    },
    {
      "type": "REPORT",
      "url": "http://www.openwall.com/lists/oss-security/2016/03/03/9"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-2974-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2016-2857"
    }
  ],
  "related": [
    "USN-2974-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "low",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2016-2857"
  ]
}

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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

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CVE-2016-2857 (GCVE-0-2016-2857)

UBUNTU-CVE-2016-2857 (CVE-2016-2857)

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Related by attack behaviour