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TI-2016-02397 Aliases CVE-2016-2857GHSA-r736-2mvg-hchh

The net_checksum_calculate function in net/checksum.c in QEMU allows local guest OS users…

Priority LOW 37CWE-119Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · None · High
Fix status
Partial Red Hat: 17 fixed, 2 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.

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.

Why it matters now

EPSS 0.00564 47th percentileScored 2026-11-07
Fix Partial Red Hat: 10 advisoriesRed Hat: 17 fixed, 2 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 33

CPEVersionsRoleVendor
cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*up to 2.5.1.1VulnerableQEMU
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*12.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*14.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*15.10VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*16.04VulnerableCanonical
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*8.0VulnerableDebian
cpe:2.3:a:redhat:openstack:5.0:*:*:*:*:*:*:*5.0VulnerableRed Hat
cpe:2.3:a:redhat:virtualization:3.0:*:*:*:*:*:*:*3.0VulnerableRed Hat
cpe:2.3:a:redhat:virtualization:4.0:*:*:*:*:*:*:*4.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*7.0Running onRed Hat
  • cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* Versions up to 2.5.1.1 Vulnerable ·QEMU
  • cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* Versions 12.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* Versions 14.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:* Versions 15.10 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* Versions 16.04 Vulnerable ·Canonical
  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
  • cpe:2.3:a:redhat:openstack:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:virtualization:3.0:*:*:*:*:*:*:* Versions 3.0 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:virtualization:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Running on ·Red Hat
Show 23 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*6.0Running onRed Hat
cpe:2.3:a:redhat:openstack:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:a:redhat:openstack:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:a:redhat:openstack:8:*:*:*:*:*:*:*8VulnerableRed Hat
cpe:2.3:a:redhat:openstack:9:*:*:*:*:*:*:*9VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_eus:7.3:*:*:*:*:*:*:*7.3VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_eus:7.4:*:*:*:*:*:*:*7.4VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_eus:7.5:*:*:*:*:*:*:*7.5VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_eus:7.6:*:*:*:*:*:*:*7.6VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_eus:7.7:*:*:*:*:*:*:*7.7VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3:*:*:*:*:*:*:*7.3VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:*7.4VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*7.6VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.7:*:*:*:*:*:*:*7.7VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.3:*:*:*:*:*:*:*7.3VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*7.6VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.7:*:*:*:*:*:*:*7.7VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
  • cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* Versions 6.0 Running on ·Red Hat
  • cpe:2.3:a:redhat:openstack:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:openstack:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:openstack:8:*:*:*:*:*:*:* Versions 8 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:openstack:9:*:*:*:*:*:*:* Versions 9 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_eus:7.3:*:*:*:*:*:*:* Versions 7.3 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_eus:7.4:*:*:*:*:*:*:* Versions 7.4 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_eus:7.5:*:*:*:*:*:*:* Versions 7.5 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_eus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_eus:7.7:*:*:*:*:*:*:* Versions 7.7 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3:*:*:*:*:*:*:* Versions 7.3 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:* Versions 7.4 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_aus:7.7:*:*:*:*:*:*:* Versions 7.7 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_tus:7.3:*:*:*:*:*:*:* Versions 7.3 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_tus:7.7:*:*:*:*:*:*:* Versions 7.7 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat

Remediation

Red Hat 10 advisories

  • RHSA-2017:0350 Released 2017-03-01 · Red Hat rating Important
    qemu-kvm-rhev security and bug fix update
    • RHEV-H and VDSM for 7 Hosts qemu-img-rhev-10:2.6.0-28.el7_3.6, qemu-kvm-common-rhev-10:2.6.0-28.el7_3.6, qemu-kvm-rhev-10:2.6.0-28.el7_3.6 +1
    • Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts qemu-img-rhev-10:2.6.0-28.el7_3.6, qemu-kvm-common-rhev-10:2.6.0-28.el7_3.6, qemu-kvm-rhev-10:2.6.0-28.el7_3.6 +1
  • RHSA-2017:0344 Released 2017-02-28 · Red Hat rating Important
    qemu-kvm-rhev security update
    • RHEV Agents (vdsm) qemu-img-rhev-2:0.12.1.2-2.491.el6_8.6, qemu-kvm-rhev-2:0.12.1.2-2.491.el6_8.6, qemu-kvm-rhev-tools-2:0.12.1.2-2.491.el6_8.6
  • RHSA-2017:0334 Released 2017-02-27 · Red Hat rating Important
    qemu-kvm-rhev security update
    • Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 6 qemu-img-rhev-2:0.12.1.2-2.491.el6_8.7, qemu-kvm-rhev-2:0.12.1.2-2.491.el6_8.7, qemu-kvm-rhev-tools-2:0.12.1.2-2.491.el6_8.7
Show 7 more Red Hat advisories
  • RHSA-2017:0309 Released 2017-02-23 · Red Hat rating Important
    qemu-kvm security and bug fix update
    • Red Hat Enterprise Linux Desktop (v. 6) qemu-guest-agent-2:0.12.1.2-2.491.el6_8.6, qemu-img-2:0.12.1.2-2.491.el6_8.6, qemu-kvm-2:0.12.1.2-2.491.el6_8.6 +1
    • Red Hat Enterprise Linux HPC Node (v. 6) qemu-guest-agent-2:0.12.1.2-2.491.el6_8.6, qemu-img-2:0.12.1.2-2.491.el6_8.6, qemu-kvm-2:0.12.1.2-2.491.el6_8.6 +1
    • Red Hat Enterprise Linux Server (v. 6) qemu-guest-agent-2:0.12.1.2-2.491.el6_8.6, qemu-img-2:0.12.1.2-2.491.el6_8.6, qemu-kvm-2:0.12.1.2-2.491.el6_8.6 +1
    • Red Hat Enterprise Linux Workstation (v. 6) qemu-guest-agent-2:0.12.1.2-2.491.el6_8.6, qemu-img-2:0.12.1.2-2.491.el6_8.6, qemu-kvm-2:0.12.1.2-2.491.el6_8.6 +1
  • RHSA-2017:0083 Released 2017-01-17 · Red Hat rating Low
    qemu-kvm security and bug fix update
    • Red Hat Enterprise Linux Client (v. 7) qemu-img-10:1.5.3-126.el7_3.3, qemu-kvm-10:1.5.3-126.el7_3.3, qemu-kvm-common-10:1.5.3-126.el7_3.3 +1
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) qemu-img-10:1.5.3-126.el7_3.3, qemu-kvm-10:1.5.3-126.el7_3.3, qemu-kvm-common-10:1.5.3-126.el7_3.3 +1
    • Red Hat Enterprise Linux Server (v. 7) qemu-img-10:1.5.3-126.el7_3.3, qemu-kvm-10:1.5.3-126.el7_3.3, qemu-kvm-common-10:1.5.3-126.el7_3.3 +1
    • Red Hat Enterprise Linux Workstation (v. 7) qemu-img-10:1.5.3-126.el7_3.3, qemu-kvm-10:1.5.3-126.el7_3.3, qemu-kvm-common-10:1.5.3-126.el7_3.3 +1
  • RHSA-2016:2705 Released 2016-11-14 · Red Hat rating Moderate
    qemu-kvm-rhev security, bug fix, and enhancement update
    • Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7 qemu-img-rhev-10:2.6.0-27.el7, qemu-kvm-common-rhev-10:2.6.0-27.el7, qemu-kvm-rhev-10:2.6.0-27.el7 +1
  • RHSA-2016:2706 Released 2016-11-14 · Red Hat rating Moderate
    qemu-kvm-rhev security, bug fix, and enhancement update
    • Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7 qemu-img-rhev-10:2.6.0-27.el7, qemu-kvm-common-rhev-10:2.6.0-27.el7, qemu-kvm-rhev-10:2.6.0-27.el7 +1
  • RHSA-2016:2704 Released 2016-11-14 · Red Hat rating Moderate
    qemu-kvm-rhev security, bug fix, and enhancement update
    • Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7 qemu-img-rhev-10:2.6.0-27.el7, qemu-kvm-common-rhev-10:2.6.0-27.el7, qemu-kvm-rhev-10:2.6.0-27.el7 +1
  • RHSA-2016:2670 Released 2016-11-07 · Red Hat rating Moderate
    qemu-kvm-rhev security, bug fix, and enhancement update
    • Red Hat OpenStack Platform 8.0 (Liberty) qemu-img-rhev-10:2.6.0-27.el7, qemu-kvm-common-rhev-10:2.6.0-27.el7, qemu-kvm-rhev-10:2.6.0-27.el7 +1
  • RHSA-2016:2671 Released 2016-11-07 · Red Hat rating Moderate
    qemu-kvm-rhev security, bug fix, and enhancement update
    • Red Hat OpenStack Platform 9.0 qemu-img-rhev-10:2.6.0-27.el7, qemu-kvm-common-rhev-10:2.6.0-27.el7, qemu-kvm-rhev-10:2.6.0-27.el7 +1

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 5AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux 6AffectedNo fix yet
RHEV Agents (vdsm)Fixed RHSA-2017:0344
RHEV-H and VDSM for 7 HostsFixed RHSA-2017:0350
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2017:0083
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2017:0083
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2017:0309
Red Hat Enterprise Linux HPC Node (v. 6)Fixed RHSA-2017:0309
Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 6Fixed RHSA-2017:0334
Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7Fixed RHSA-2016:2706
Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7Fixed RHSA-2016:2705
Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7Fixed RHSA-2016:2704
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2017:0309
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2017:0083
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2017:0309
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2017:0083
Red Hat OpenStack Platform 8.0 (Liberty)Fixed RHSA-2016:2670
Red Hat OpenStack Platform 9.0Fixed RHSA-2016:2671
Red Hat Virtualization 4 Management Agent for RHEL 7 HostsFixed RHSA-2017:0350
Not affected: 2 products
  • Red Hat OpenStack Platform 10 (Newton)
  • Red Hat OpenStack Platform 11 (Ocata)

Timeline

  1. 2026-10-02 Threatist record created from CVE-2016-2857
  2. 2026-10-03 Alias added: GHSA-r736-2mvg-hchh

References

Advisory 14

Other 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences