CVE-2018-7550
mediumPriorität · verfolgen · 35EPSS 0.006 · 49. PerzentilDEEURUUSEPSS · bewertet 2026-10-27
The load_multiboot function in hw/i386/multiboot.c in Quick Emulator (aka QEMU) allows local guest OS users to execute arbitrary code on the QEMU host via a mh_load_end_addr value greater than mh_bss_end_addr, which triggers an out-of-bounds read or write memory access.
Behebungen
Hersteller-Fix, Mitigation oder Workaround, wie von den Quellen veröffentlicht.
Ein Hersteller-Fix ist verfügbar.
- Behobenqemu-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 - Behobenqemu-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 - Behobenqemu-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 - Behobenqemu-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 - Behobenqemu-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 - Behobenqemu-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 - Behobenqemu-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 - Behobenqemu-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 - Behobenqemu-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 - Behobenqemu-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 - Behobenqemu-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
cvss
Technischer Schweregrad, 0–10. Eine Zeile je Quelle.
Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen⚠ Quellen uneinig · medium–high · 4.6–8.8
schwächen
Die CWE-Schwächeklassen, zu denen dies gehört.
betroffene Produkte (39)
Betroffene Produkte und Versionsbereiche.
Advisories (2)
Hersteller- und Ökosystem-Meldungen dazu.
- 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.
- WID-SEC-W-2024-2006QEMU: Schwachstelle ermöglicht Ausführen von beliebigem ProgrammcodeDeutsch2018-03-08csaf · cert_bundDE
Ein lokaler Angreifer kann eine Schwachstelle in QEMU ausnutzen, um beliebigen Programmcode auszuführen.
auch bekannt als (4)
Weitere Namen und Kennungen dieser Entität.
quellen
Welche Quellen diesen Datensatz belegen und wann.
Referenzen (34)
Externe Belege — Patches, Meldungen, Analysen.
- http://www.securityfocus.com/bid/103181cnnvd
- https://access.redhat.com/errata/RHSA-2018:1369cnnvd
- https://access.redhat.com/errata/RHSA-2018:2462cnnvd
- https://bugzilla.redhat.com/show_bug.cgi?id=1549798cnnvd
- https://lists.debian.org/debian-lts-announce/2018/04/msg00015.htmlcnnvd
- https://lists.debian.org/debian-lts-announce/2018/04/msg00016.htmlcnnvd
- https://lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlcnnvd
- https://lists.gnu.org/archive/html/qemu-devel/2018-02/msg06890.htmlcnnvd
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