CVE-2018-5683

lowpriority · track · 24EPSS 0.007 · 52 %ileDEEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.68% (52nd) EPSS

CVSS 2.1 · low

Is it mine?

61 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

The vga_draw_text function in Qemu allows local OS guest privileged users to cause a denial of service (out-of-bounds read and QEMU process crash) by leveraging improper memory address validation.

remediations

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

A vendor fix is available.

Fixedqemu-guest-agent-2:0.12.1.2-2.506.el6_10.1.i686 as a component of Red Hat Enterprise Linux Desktop (v. 6)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 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-2018:2162
Fixedqemu-guest-agent-2:0.12.1.2-2.506.el6_10.1.i686 as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 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-2018:2162
Fixedqemu-guest-agent-2:0.12.1.2-2.506.el6_10.1.i686 as a component of Red Hat Enterprise Linux Workstation (v. 6)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 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-2018:2162
Fixedqemu-guest-agent-2:0.12.1.2-2.506.el6_10.1.ppc64 as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 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-2018:2162
Fixedqemu-guest-agent-2:0.12.1.2-2.506.el6_10.1.x86_64 as a component of Red Hat Enterprise Linux Desktop (v. 6)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 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-2018:2162
Fixedqemu-guest-agent-2:0.12.1.2-2.506.el6_10.1.x86_64 as a component of Red Hat Enterprise Linux HPC Node (v. 6)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 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-2018:2162
Fixedqemu-guest-agent-2:0.12.1.2-2.506.el6_10.1.x86_64 as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 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-2018:2162
Fixedqemu-guest-agent-2:0.12.1.2-2.506.el6_10.1.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 6)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 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-2018:2162
Fixedqemu-img-2:0.12.1.2-2.506.el6_10.1.x86_64 as a component of Red Hat Enterprise Linux Desktop (v. 6)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 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-2018:2162
Fixedqemu-img-2:0.12.1.2-2.506.el6_10.1.x86_64 as a component of Red Hat Enterprise Linux HPC Node (v. 6)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 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-2018:2162
Fixedqemu-img-2:0.12.1.2-2.506.el6_10.1.x86_64 as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 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-2018:2162
Fixedqemu-img-2:0.12.1.2-2.506.el6_10.1.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 6)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 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-2018:2162
Fixedqemu-kvm-2:0.12.1.2-2.506.el6_10.1.src as a component of Red Hat Enterprise Linux Desktop (v. 6)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 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-2018:2162
Fixedqemu-kvm-2:0.12.1.2-2.506.el6_10.1.src as a component of Red Hat Enterprise Linux HPC Node (v. 6)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 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-2018:2162
Fixedqemu-kvm-2:0.12.1.2-2.506.el6_10.1.src as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 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-2018:2162
Fixedqemu-kvm-2:0.12.1.2-2.506.el6_10.1.src as a component of Red Hat Enterprise Linux Workstation (v. 6)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 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-2018:2162
Fixedqemu-kvm-2:0.12.1.2-2.506.el6_10.1.x86_64 as a component of Red Hat Enterprise Linux Desktop (v. 6)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 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-2018:2162
Fixedqemu-kvm-2:0.12.1.2-2.506.el6_10.1.x86_64 as a component of Red Hat Enterprise Linux HPC Node (v. 6)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 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-2018:2162
Fixedqemu-kvm-2:0.12.1.2-2.506.el6_10.1.x86_64 as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 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-2018:2162
Fixedqemu-kvm-2:0.12.1.2-2.506.el6_10.1.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 6)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 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-2018:2162
Fixedqemu-kvm-debuginfo-2:0.12.1.2-2.506.el6_10.1.i686 as a component of Red Hat Enterprise Linux Desktop (v. 6)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 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-2018:2162
Fixedqemu-kvm-debuginfo-2:0.12.1.2-2.506.el6_10.1.i686 as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 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-2018:2162
Fixedqemu-kvm-debuginfo-2:0.12.1.2-2.506.el6_10.1.i686 as a component of Red Hat Enterprise Linux Workstation (v. 6)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 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-2018:2162
Fixedqemu-kvm-debuginfo-2:0.12.1.2-2.506.el6_10.1.ppc64 as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 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-2018:2162
Fixedqemu-kvm-debuginfo-2:0.12.1.2-2.506.el6_10.1.x86_64 as a component of Red Hat Enterprise Linux Desktop (v. 6)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 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-2018:2162
Fixedqemu-kvm-debuginfo-2:0.12.1.2-2.506.el6_10.1.x86_64 as a component of Red Hat Enterprise Linux HPC Node (v. 6)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 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-2018:2162
Fixedqemu-kvm-debuginfo-2:0.12.1.2-2.506.el6_10.1.x86_64 as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 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-2018:2162
Fixedqemu-kvm-debuginfo-2:0.12.1.2-2.506.el6_10.1.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 6)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 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-2018:2162
Fixedqemu-kvm-tools-2:0.12.1.2-2.506.el6_10.1.x86_64 as a component of Red Hat Enterprise Linux Desktop (v. 6)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 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-2018:2162
Fixedqemu-kvm-tools-2:0.12.1.2-2.506.el6_10.1.x86_64 as a component of Red Hat Enterprise Linux HPC Node (v. 6)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 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-2018:2162
Fixedqemu-kvm-tools-2:0.12.1.2-2.506.el6_10.1.x86_64 as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 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-2018:2162
Fixedqemu-kvm-tools-2:0.12.1.2-2.506.el6_10.1.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 6)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 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-2018:2162

cvss

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

6.0

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 2.1–6

v2.02.1lowAV:L/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 3.9 · impact 2.9

v3.16mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 1.5 · impact 4

v2.02.3lowAV:A/AC:M/Au:S/C:N/I:N/A:Psecondary · Red Hat Product Security US

v3.03lowCVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:Lsecondary · Red Hat Product Security US

v3.16mediumAV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.15.5mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-125USprimaryCWE-125USCWE-125US

affected products (61)

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:-
Oracle VMall versionscert_bundDEcpe:/a:oracle:vm:-
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≤ 2.1fstec_bduRU
Juniper Networks Inc. Junos Space≤ 18.3R1fstec_bduRU
ООО «РусБИТех-Астра» Astra Linux Special Edition≤ 1.6 «Смоленск»fstec_bduRU
canonical ubuntu linux= 14.04nvdUScpe:2.3:o:canonical:ubuntu_linux:*:*:*:*:*:*:*:*
canonical ubuntu linux= 16.04nvdUScpe:2.3:o:canonical:ubuntu_linux:*:*:*:*:*:*:*:*
canonical ubuntu linux= 17.10nvdUScpe:2.3:o:canonical:ubuntu_linux:*:*:*:*:*:*:*:*
debian debian linux= 8.0nvdUScpe:2.3:o:debian:debian_linux:*:*:*:*:*:*:*:*
debian debian linux= 9.0nvdUScpe:2.3:o:debian:debian_linux:*:*:*:*:*:*:*:*
qemu qemu≤ 2.11.1nvdUScpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
redhat enterprise linux desktop= 6.0nvdUScpe:2.3:o:redhat:enterprise_linux_desktop:*:*:*:*:*:*:*:*
redhat enterprise linux desktop= 7.0nvdUScpe:2.3:o:redhat:enterprise_linux_desktop:*:*:*:*:*:*:*:*
redhat enterprise linux server= 6.0nvdUScpe:2.3:o:redhat:enterprise_linux_server:*:*:*:*:*:*:*:*

showing 20 of 61

advisories (2)

Vendor and ecosystem advisories describing this.

RHSA-2018:2162Red Hat Security Advisory: qemu-kvm security update2018-07-10csaf · redhat_csafUS
An update for qemu-kvm is now available for Red Hat Enterprise Linux 6. 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-2024-2009QEMU: Mehrere Schwachstellen ermöglichen Denial of ServiceDeutsch2018-01-15csaf · cert_bundDE
Ein lokaler Angreifer kann mehrere Schwachstellen in QEMU ausnutzen, um einen Denial of Service Angriff durchzuführen.

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 2018-01-23modified 2026-06-17

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+11867 more

references (29)

External citations — patches, advisories, analysis.

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