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TI-2018-14786 Aliases CVE-2018-20815GHSA-4g35-fx39-gwjh

In QEMU 3.1.0, load_device_tree in device_tree.c calls the deprecated load_image…

Priority MEDIUM 49CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 12 fixed, 1 without a fix

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-119 and the CVSS impact.

Summary

In QEMU 3.1.0, load_device_tree in device_tree.c calls the deprecated load_image function, which has a buffer overflow risk.

Why it matters now

EPSS 0.04428 91st percentileScored 2026-11-07
Fix Partial Red Hat: 8 advisoriesRed Hat: 12 fixed, 1 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 · 1

CPEVersionsRoleVendor
cpe:2.3:a:qemu:qemu:3.1.0:*:*:*:*:*:*:*3.1.0VulnerableQEMU
  • cpe:2.3:a:qemu:qemu:3.1.0:*:*:*:*:*:*:* Versions 3.1.0 Vulnerable ·QEMU

Remediation

Red Hat 8 advisories

  • RHSA-2019:2553 Released 2019-08-22 · Red Hat rating Important
    qemu-kvm-rhev security, bug fix, and enhancement update
    • RHV-M 4.3 qemu-img-rhev-10:2.12.0-33.el7, qemu-kvm-common-rhev-10:2.12.0-33.el7, qemu-kvm-rhev-10:2.12.0-33.el7 +1
    • Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts qemu-img-rhev-10:2.12.0-33.el7, qemu-kvm-common-rhev-10:2.12.0-33.el7, qemu-kvm-rhev-10:2.12.0-33.el7 +1
  • RHSA-2019:2507 Released 2019-08-15 · Red Hat rating Important
    qemu-kvm-rhev security update
    • Red Hat OpenStack Platform 9.0 qemu-img-rhev-10:2.12.0-18.el7_6.6, qemu-kvm-common-rhev-10:2.12.0-18.el7_6.6, qemu-kvm-rhev-10:2.12.0-18.el7_6.6 +1
  • RHSA-2019:1968 Released 2019-07-30 · Red Hat rating Important
    qemu-kvm-rhev security and bug fix update
    • RHV-M 4.2 qemu-img-rhev-10:2.12.0-18.el7_6.7, qemu-kvm-common-rhev-10:2.12.0-18.el7_6.7, qemu-kvm-rhev-10:2.12.0-18.el7_6.7 +1
    • RHV-M 4.3 qemu-img-rhev-10:2.12.0-18.el7_6.7, qemu-kvm-common-rhev-10:2.12.0-18.el7_6.7, qemu-kvm-rhev-10:2.12.0-18.el7_6.7 +1
    • Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts qemu-img-rhev-10:2.12.0-18.el7_6.7, qemu-kvm-common-rhev-10:2.12.0-18.el7_6.7, qemu-kvm-rhev-10:2.12.0-18.el7_6.7 +1
Show 5 more Red Hat advisories
  • RHSA-2019:1881 Released 2019-07-29 · Red Hat rating Important
    qemu-kvm-ma security and bug fix update
    • Red Hat Enterprise Linux Server (v. 7) qemu-img-ma-10:2.12.0-18.el7_6.4, qemu-kvm-common-ma-10:2.12.0-18.el7_6.4, qemu-kvm-ma-10:2.12.0-18.el7_6.4 +1
    • Red Hat Enterprise Linux Server Optional (v. 7) qemu-kvm-common-ma-10:2.12.0-18.el7_6.4, qemu-kvm-ma-10:2.12.0-18.el7_6.4, qemu-kvm-tools-ma-10:2.12.0-18.el7_6.4
    • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) qemu-img-ma-10:2.12.0-18.el7_6.4, qemu-kvm-common-ma-10:2.12.0-18.el7_6.4, qemu-kvm-ma-10:2.12.0-18.el7_6.4 +1
    • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) qemu-img-ma-10:2.12.0-18.el7_6.4, qemu-kvm-common-ma-10:2.12.0-18.el7_6.4, qemu-kvm-ma-10:2.12.0-18.el7_6.4 +1
  • RHSA-2019:1743 Released 2019-07-10 · Red Hat rating Important
    qemu-kvm-rhev security update
    • Red Hat OpenStack Platform 13.0 qemu-img-rhev-10:2.12.0-18.el7_6.6, qemu-kvm-common-rhev-10:2.12.0-18.el7_6.6, qemu-kvm-rhev-10:2.12.0-18.el7_6.6 +1
  • RHSA-2019:1723 Released 2019-07-10 · Red Hat rating Important
    qemu-kvm-rhev security update
    • Red Hat OpenStack Platform 10.0 qemu-img-rhev-10:2.12.0-18.el7_6.6, qemu-kvm-common-rhev-10:2.12.0-18.el7_6.6, qemu-kvm-rhev-10:2.12.0-18.el7_6.6 +1
  • RHSA-2019:1667 Released 2019-07-02 · Red Hat rating Important
    qemu-kvm-rhev security update
    • Red Hat OpenStack Platform 14.0 qemu-img-rhev-10:2.12.0-18.el7_6.6, qemu-kvm-common-rhev-10:2.12.0-18.el7_6.6, qemu-kvm-rhev-10:2.12.0-18.el7_6.6 +1
  • RHSA-2019:1175 Released 2019-05-14 · Red Hat rating Important
    virt:rhel security update
    • Red Hat Enterprise Linux AppStream (v. 8) SLOF-20171214-5.gitfa98132.module+el8.0.0+3075+09be6b65.noarch::virt:rhel, SLOF-20171214-5.gitfa98132.module+el8.0.0+3075+09be6b65.src::virt:rhel, hivex-1.3.15-6.module+el8.0.0+3075+09be6b65.aarch64::virt:rhel +47

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat OpenStack Platform 8 (Liberty)AffectedNo fix yet
RHV-M 4.2Fixed RHSA-2019:1968
RHV-M 4.3Fixed RHSA-2019:1968, RHSA-2019:2553
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2019:1175
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2019:1881
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2019:1881
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7)Fixed RHSA-2019:1881
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7)Fixed RHSA-2019:1881
Red Hat OpenStack Platform 10.0Fixed RHSA-2019:1723
Red Hat OpenStack Platform 13.0Fixed RHSA-2019:1743
Red Hat OpenStack Platform 14.0Fixed RHSA-2019:1667
Red Hat OpenStack Platform 9.0Fixed RHSA-2019:2507
Red Hat Virtualization 4 Management Agent for RHEL 7 HostsFixed RHSA-2019:1968, RHSA-2019:2553
Not affected: 3 products
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-20815
  2. 2026-10-03 Alias added: GHSA-4g35-fx39-gwjh

References

Advisory 10

Other 2

  • TI-2024-16148 QEMU before 8.2.0 has an integer underflow, and resultant buffer overflow, via a TI… CVSS 3.1HIGH 8.8
  • TI-2022-02736 Uncontrolled resource consumption in QEMU CVSS 3.1HIGH 7.8
  • TI-2023-02681 Qemu: 9pfs: improper access control on special files CVSS 3.1HIGH 7.1
  • TI-2019-09678 The QMP migrate command in QEMU version 4.0.0 and earlier is vulnerable to OS command… CVSS 3.0CRITICAL 9.8
  • TI-2024-03326 Qemu-kvm: net: assertion failure in update_sctp_checksum() CVSS 3.1MEDIUM 5.5
  • TI-2023-22631 QEMU through 8.0.0 could trigger a division by zero in scsi_disk_reset in… CVSS 3.1MEDIUM 5.5
See all 418 →

Sources

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