CVE-2018-7858
lowpriority · track · 22EPSS 0.006 · 49 %ileDEEURUUSEPSS · scored 2026-10-27
Quick Emulator (aka QEMU), when built with the Cirrus CLGD 54xx VGA Emulator support, allows local guest OS privileged users to cause a denial of service (out-of-bounds access and QEMU process crash) by leveraging incorrect region calculation when updating VGA display.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- Fixedqemu-img-rhev-10:2.10.0-21.el7_5.2.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/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-2018:1369 - Fixedqemu-img-rhev-10:2.10.0-21.el7_5.2.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/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-2018:1369 - Fixedqemu-kvm-common-rhev-10:2.10.0-21.el7_5.2.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/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-2018:1369 - Fixedqemu-kvm-common-rhev-10:2.10.0-21.el7_5.2.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/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-2018:1369 - Fixedqemu-kvm-rhev-10:2.10.0-21.el7_5.2.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/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-2018:1369 - Fixedqemu-kvm-rhev-10:2.10.0-21.el7_5.2.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/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-2018:1369 - Fixedqemu-kvm-rhev-10:2.10.0-21.el7_5.2.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/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-2018:1369 - Fixedqemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.2.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/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-2018:1369 - Fixedqemu-kvm-rhev-debuginfo-10:2.10.0-21.el7_5.2.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/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-2018:1369 - Fixedqemu-kvm-tools-rhev-10:2.10.0-21.el7_5.2.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/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-2018:1369 - Fixedqemu-kvm-tools-rhev-10:2.10.0-21.el7_5.2.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/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-2018:1369 - 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.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 2.1–5.5
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (66)
Products and version ranges known to be affected.
- redhat enterprise linux server aus= 7.6nvdUScpe:2.3:o:redhat:enterprise_linux_server_aus:*:*:*:*:*:*:*:*
- redhat enterprise linux server eus= 7.5nvdUScpe:2.3:o:redhat:enterprise_linux_server_eus:*:*:*:*:*:*:*:*
- redhat enterprise linux server eus= 7.6nvdUScpe:2.3:o:redhat:enterprise_linux_server_eus:*:*:*:*:*:*:*:*
advisories (3)
Vendor and ecosystem advisories describing this.
- RHSA-2018:1369Red Hat Security Advisory: qemu-kvm-rhev security and bug fix update2018-05-10csaf · redhat_csafUS
An update for qemu-kvm-rhev is now available for Red Hat Virtualization 4 for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Moderate. 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-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-2024-2005QEMU: Schwachstelle ermöglicht Denial of ServiceDeutsch2018-03-11csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann eine Schwachstelle 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.
references (33)
External citations — patches, advisories, analysis.
- http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00042.htmlcnnvd
- http://www.openwall.com/lists/oss-security/2018/03/09/1cnnvd
- http://www.securityfocus.com/bid/103350cnnvd
- https://access.redhat.com/errata/RHSA-2018:1369cnnvd
- https://access.redhat.com/errata/RHSA-2018:1416cnnvd
- https://access.redhat.com/errata/RHSA-2018:2162cnnvd
- https://bugzilla.redhat.com/show_bug.cgi?id=1553402cnnvd
- https://lists.nongnu.org/archive/html/qemu-devel/2018-03/msg02174.htmlcnnvd
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