CVE-2018-20815

highpriority · track · 41EPSS 0.044 · 91 %ileDEEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

4.43% (91st) EPSS

CVSS 7.5 · high

Is it mine?

34 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

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

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

Fixedqemu-img-rhev-10:2.12.0-18.el7_6.7.ppc64le as a component of Red Hat Virtualization 4 Management Agent for RHEL 7 Hostsredhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/2974891
https://access.redhat.com/errata/RHSA-2019:1968
Fixedqemu-img-rhev-10:2.12.0-18.el7_6.7.x86_64 as a component of RHV-M 4.2redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/2974891
https://access.redhat.com/errata/RHSA-2019:1968
Fixedqemu-img-rhev-10:2.12.0-18.el7_6.7.x86_64 as a component of RHV-M 4.3redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/2974891
https://access.redhat.com/errata/RHSA-2019:1968
Fixedqemu-img-rhev-10:2.12.0-18.el7_6.7.x86_64 as a component of Red Hat Virtualization 4 Management Agent for RHEL 7 Hostsredhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/2974891
https://access.redhat.com/errata/RHSA-2019:1968
Fixedqemu-kvm-common-rhev-10:2.12.0-18.el7_6.7.ppc64le as a component of Red Hat Virtualization 4 Management Agent for RHEL 7 Hostsredhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/2974891
https://access.redhat.com/errata/RHSA-2019:1968
Fixedqemu-kvm-common-rhev-10:2.12.0-18.el7_6.7.x86_64 as a component of RHV-M 4.2redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/2974891
https://access.redhat.com/errata/RHSA-2019:1968
Fixedqemu-kvm-common-rhev-10:2.12.0-18.el7_6.7.x86_64 as a component of RHV-M 4.3redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/2974891
https://access.redhat.com/errata/RHSA-2019:1968
Fixedqemu-kvm-common-rhev-10:2.12.0-18.el7_6.7.x86_64 as a component of Red Hat Virtualization 4 Management Agent for RHEL 7 Hostsredhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/2974891
https://access.redhat.com/errata/RHSA-2019:1968
Fixedqemu-kvm-rhev-10:2.12.0-18.el7_6.7.ppc64le as a component of Red Hat Virtualization 4 Management Agent for RHEL 7 Hostsredhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/2974891
https://access.redhat.com/errata/RHSA-2019:1968
Fixedqemu-kvm-rhev-10:2.12.0-18.el7_6.7.src as a component of RHV-M 4.2redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/2974891
https://access.redhat.com/errata/RHSA-2019:1968
Fixedqemu-kvm-rhev-10:2.12.0-18.el7_6.7.src as a component of RHV-M 4.3redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/2974891
https://access.redhat.com/errata/RHSA-2019:1968
Fixedqemu-kvm-rhev-10:2.12.0-18.el7_6.7.src as a component of Red Hat Virtualization 4 Management Agent for RHEL 7 Hostsredhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/2974891
https://access.redhat.com/errata/RHSA-2019:1968
Fixedqemu-kvm-rhev-10:2.12.0-18.el7_6.7.x86_64 as a component of RHV-M 4.2redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/2974891
https://access.redhat.com/errata/RHSA-2019:1968
Fixedqemu-kvm-rhev-10:2.12.0-18.el7_6.7.x86_64 as a component of RHV-M 4.3redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/2974891
https://access.redhat.com/errata/RHSA-2019:1968
Fixedqemu-kvm-rhev-10:2.12.0-18.el7_6.7.x86_64 as a component of Red Hat Virtualization 4 Management Agent for RHEL 7 Hostsredhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/2974891
https://access.redhat.com/errata/RHSA-2019:1968
Fixedqemu-kvm-rhev-debuginfo-10:2.12.0-18.el7_6.7.ppc64le as a component of Red Hat Virtualization 4 Management Agent for RHEL 7 Hostsredhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/2974891
https://access.redhat.com/errata/RHSA-2019:1968
Fixedqemu-kvm-rhev-debuginfo-10:2.12.0-18.el7_6.7.x86_64 as a component of RHV-M 4.2redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/2974891
https://access.redhat.com/errata/RHSA-2019:1968
Fixedqemu-kvm-rhev-debuginfo-10:2.12.0-18.el7_6.7.x86_64 as a component of RHV-M 4.3redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/2974891
https://access.redhat.com/errata/RHSA-2019:1968
Fixedqemu-kvm-rhev-debuginfo-10:2.12.0-18.el7_6.7.x86_64 as a component of Red Hat Virtualization 4 Management Agent for RHEL 7 Hostsredhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/2974891
https://access.redhat.com/errata/RHSA-2019:1968
Fixedqemu-kvm-tools-rhev-10:2.12.0-18.el7_6.7.ppc64le as a component of Red Hat Virtualization 4 Management Agent for RHEL 7 Hostsredhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/2974891
https://access.redhat.com/errata/RHSA-2019:1968
Fixedqemu-kvm-tools-rhev-10:2.12.0-18.el7_6.7.x86_64 as a component of RHV-M 4.2redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/2974891
https://access.redhat.com/errata/RHSA-2019:1968
Fixedqemu-kvm-tools-rhev-10:2.12.0-18.el7_6.7.x86_64 as a component of RHV-M 4.3redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/2974891
https://access.redhat.com/errata/RHSA-2019:1968
Fixedqemu-kvm-tools-rhev-10:2.12.0-18.el7_6.7.x86_64 as a component of Red Hat Virtualization 4 Management Agent for RHEL 7 Hostsredhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/2974891
https://access.redhat.com/errata/RHSA-2019:1968
Fixedqemu-img-rhev-10:2.12.0-33.el7.ppc64le as a component of Red Hat Virtualization 4 Management Agent for RHEL 7 Hostsredhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/2974891 After installing this update, shut down all running virtual machines. Once all virtual machines have shut down, start them again for this update to take effect.
https://access.redhat.com/errata/RHSA-2019:2553
Fixedqemu-img-rhev-10:2.12.0-33.el7.x86_64 as a component of RHV-M 4.3redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/2974891 After installing this update, shut down all running virtual machines. Once all virtual machines have shut down, start them again for this update to take effect.
https://access.redhat.com/errata/RHSA-2019:2553
Fixedqemu-img-rhev-10:2.12.0-33.el7.x86_64 as a component of Red Hat Virtualization 4 Management Agent for RHEL 7 Hostsredhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/2974891 After installing this update, shut down all running virtual machines. Once all virtual machines have shut down, start them again for this update to take effect.
https://access.redhat.com/errata/RHSA-2019:2553
Fixedqemu-kvm-common-rhev-10:2.12.0-33.el7.ppc64le as a component of Red Hat Virtualization 4 Management Agent for RHEL 7 Hostsredhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/2974891 After installing this update, shut down all running virtual machines. Once all virtual machines have shut down, start them again for this update to take effect.
https://access.redhat.com/errata/RHSA-2019:2553
Fixedqemu-kvm-common-rhev-10:2.12.0-33.el7.x86_64 as a component of RHV-M 4.3redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/2974891 After installing this update, shut down all running virtual machines. Once all virtual machines have shut down, start them again for this update to take effect.
https://access.redhat.com/errata/RHSA-2019:2553
Fixedqemu-kvm-common-rhev-10:2.12.0-33.el7.x86_64 as a component of Red Hat Virtualization 4 Management Agent for RHEL 7 Hostsredhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/2974891 After installing this update, shut down all running virtual machines. Once all virtual machines have shut down, start them again for this update to take effect.
https://access.redhat.com/errata/RHSA-2019:2553
Fixedqemu-kvm-rhev-10:2.12.0-33.el7.ppc64le as a component of Red Hat Virtualization 4 Management Agent for RHEL 7 Hostsredhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/2974891 After installing this update, shut down all running virtual machines. Once all virtual machines have shut down, start them again for this update to take effect.
https://access.redhat.com/errata/RHSA-2019:2553
Fixedqemu-kvm-rhev-10:2.12.0-33.el7.src as a component of RHV-M 4.3redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/2974891 After installing this update, shut down all running virtual machines. Once all virtual machines have shut down, start them again for this update to take effect.
https://access.redhat.com/errata/RHSA-2019:2553
Fixedqemu-kvm-rhev-10:2.12.0-33.el7.src as a component of Red Hat Virtualization 4 Management Agent for RHEL 7 Hostsredhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/2974891 After installing this update, shut down all running virtual machines. Once all virtual machines have shut down, start them again for this update to take effect.
https://access.redhat.com/errata/RHSA-2019:2553
Fixedqemu-kvm-rhev-10:2.12.0-33.el7.x86_64 as a component of RHV-M 4.3redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/2974891 After installing this update, shut down all running virtual machines. Once all virtual machines have shut down, start them again for this update to take effect.
https://access.redhat.com/errata/RHSA-2019:2553
Fixedqemu-kvm-rhev-10:2.12.0-33.el7.x86_64 as a component of Red Hat Virtualization 4 Management Agent for RHEL 7 Hostsredhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/2974891 After installing this update, shut down all running virtual machines. Once all virtual machines have shut down, start them again for this update to take effect.
https://access.redhat.com/errata/RHSA-2019:2553
Fixedqemu-kvm-rhev-debuginfo-10:2.12.0-33.el7.ppc64le as a component of Red Hat Virtualization 4 Management Agent for RHEL 7 Hostsredhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/2974891 After installing this update, shut down all running virtual machines. Once all virtual machines have shut down, start them again for this update to take effect.
https://access.redhat.com/errata/RHSA-2019:2553
Fixedqemu-kvm-rhev-debuginfo-10:2.12.0-33.el7.x86_64 as a component of RHV-M 4.3redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/2974891 After installing this update, shut down all running virtual machines. Once all virtual machines have shut down, start them again for this update to take effect.
https://access.redhat.com/errata/RHSA-2019:2553
Fixedqemu-kvm-rhev-debuginfo-10:2.12.0-33.el7.x86_64 as a component of Red Hat Virtualization 4 Management Agent for RHEL 7 Hostsredhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/2974891 After installing this update, shut down all running virtual machines. Once all virtual machines have shut down, start them again for this update to take effect.
https://access.redhat.com/errata/RHSA-2019:2553
Fixedqemu-kvm-tools-rhev-10:2.12.0-33.el7.ppc64le as a component of Red Hat Virtualization 4 Management Agent for RHEL 7 Hostsredhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/2974891 After installing this update, shut down all running virtual machines. Once all virtual machines have shut down, start them again for this update to take effect.
https://access.redhat.com/errata/RHSA-2019:2553
Fixedqemu-kvm-tools-rhev-10:2.12.0-33.el7.x86_64 as a component of RHV-M 4.3redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/2974891 After installing this update, shut down all running virtual machines. Once all virtual machines have shut down, start them again for this update to take effect.
https://access.redhat.com/errata/RHSA-2019:2553
Fixedqemu-kvm-tools-rhev-10:2.12.0-33.el7.x86_64 as a component of Red Hat Virtualization 4 Management Agent for RHEL 7 Hostsredhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/2974891 After installing this update, shut down all running virtual machines. Once all virtual machines have shut down, start them again for this update to take effect.
https://access.redhat.com/errata/RHSA-2019:2553

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7–9.8

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4

v3.09.8criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.09criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.07highCVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:Hsecondary · Red Hat Product Security US

v3.17highAV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:Hsecondary · FSTEC (BDU) RU

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-119USprimaryCWE-122USCWE-122US

affected products (34)

Products and version ranges known to be affected.

Debian Linuxall versionscert_bundDEcpe:/o:debian:debian_linux:-
Open Source QEMUall versionscert_bundDEcpe:/a:qemu:qemu:-
Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
n/a n/a≤ n/aenisa_euvdEU
Fabrice Bellard QEMU≤ 3.1.0fstec_bduRU
АО «Концерн ВНИИНС» ОС ОН «Стрелец»≤ 16.01.2023fstec_bduRU
ООО «РусБИТех-Астра» Astra Linux Special Edition≤ 1.6 «Смоленск»fstec_bduRU
qemu qemu= 3.1.0nvdUScpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
qemu-img-rhev-10:2.12.0-18.el7_6.7.ppc64le as a component of Red Hat Virtualization 4 Management Agent for RHEL 7 Hostsall versionsfixedredhat_csafUS
qemu-img-rhev-10:2.12.0-18.el7_6.7.x86_64 as a component of RHV-M 4.2all versionsfixedredhat_csafUS
qemu-img-rhev-10:2.12.0-18.el7_6.7.x86_64 as a component of RHV-M 4.3all versionsfixedredhat_csafUS
qemu-img-rhev-10:2.12.0-18.el7_6.7.x86_64 as a component of Red Hat Virtualization 4 Management Agent for RHEL 7 Hostsall versionsfixedredhat_csafUS
qemu-kvm-common-rhev-10:2.12.0-18.el7_6.7.ppc64le as a component of Red Hat Virtualization 4 Management Agent for RHEL 7 Hostsall versionsfixedredhat_csafUS
qemu-kvm-common-rhev-10:2.12.0-18.el7_6.7.x86_64 as a component of RHV-M 4.2all versionsfixedredhat_csafUS
qemu-kvm-common-rhev-10:2.12.0-18.el7_6.7.x86_64 as a component of RHV-M 4.3all versionsfixedredhat_csafUS
qemu-kvm-common-rhev-10:2.12.0-18.el7_6.7.x86_64 as a component of Red Hat Virtualization 4 Management Agent for RHEL 7 Hostsall versionsfixedredhat_csafUS
qemu-kvm-rhev-10:2.12.0-18.el7_6.7.ppc64le as a component of Red Hat Virtualization 4 Management Agent for RHEL 7 Hostsall versionsfixedredhat_csafUS

showing 20 of 34

advisories (3)

Vendor and ecosystem advisories describing this.

RHSA-2019:1968Red Hat Security Advisory: qemu-kvm-rhev security and bug fix update2019-07-30csaf · redhat_csafUS
An update for qemu-kvm-rhev is now available for Red Hat Virtualization for Red Hat Virtualization Host 7. Red Hat Product Security has rated this update as having a Important security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
RHSA-2019:2553Red Hat Security Advisory: qemu-kvm-rhev security, bug fix, and enhancement update2019-08-22csaf · redhat_csafUS
An update for qemu-kvm-rhev is now available for Red Hat Virtualization 4 for Red Hat Enterprise Linux 7 and Red Hat Virtualization Engine 4.3. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
WID-SEC-W-2024-1988QEMU: Schwachstelle ermöglicht Ausführen von beliebigem Programmcode mit den Rechten des DienstesDeutsch2019-03-26csaf · cert_bundDE
Ein lokaler Angreifer kann eine Schwachstelle in QEMU ausnutzen, um beliebigen Programmcode mit den Rechten des Dienstes auszuführen.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund nvd redhat_csaf NVD CVE.org MITRE

published 2019-05-31modified 2026-06-17

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+21023 more

references (36)

External citations — patches, advisories, analysis.

scry

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