CVE-2017-9524

mediumpriority · track · 31EPSS 0.041 · 91 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

4.09% (91st) EPSS

CVSS 5 · medium

Is it mine?

31 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-27

The qemu-nbd server in QEMU (aka Quick Emulator), when built with the Network Block Device (NBD) Server support, allows remote attackers to cause a denial of service (segmentation fault and server crash) by leveraging failure to ensure that all initialization occurs before talking to a client in the nbd_negotiate function.

remediations

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

A vendor fix is available.

Fixedqemu-img-rhev-10:2.6.0-28.el7_3.12.ppc64le as a component of RHEV-H and VDSM for 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-2017:1682
Fixedqemu-img-rhev-10:2.6.0-28.el7_3.12.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-2017:1682
Fixedqemu-img-rhev-10:2.6.0-28.el7_3.12.x86_64 as a component of RHEV-H and VDSM for 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-2017:1682
Fixedqemu-img-rhev-10:2.6.0-28.el7_3.12.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-2017:1682
Fixedqemu-kvm-common-rhev-10:2.6.0-28.el7_3.12.ppc64le as a component of RHEV-H and VDSM for 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-2017:1682
Fixedqemu-kvm-common-rhev-10:2.6.0-28.el7_3.12.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-2017:1682
Fixedqemu-kvm-common-rhev-10:2.6.0-28.el7_3.12.x86_64 as a component of RHEV-H and VDSM for 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-2017:1682
Fixedqemu-kvm-common-rhev-10:2.6.0-28.el7_3.12.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-2017:1682
Fixedqemu-kvm-rhev-10:2.6.0-28.el7_3.12.ppc64le as a component of RHEV-H and VDSM for 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-2017:1682
Fixedqemu-kvm-rhev-10:2.6.0-28.el7_3.12.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-2017:1682
Fixedqemu-kvm-rhev-10:2.6.0-28.el7_3.12.src as a component of RHEV-H and VDSM for 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-2017:1682
Fixedqemu-kvm-rhev-10:2.6.0-28.el7_3.12.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-2017:1682
Fixedqemu-kvm-rhev-10:2.6.0-28.el7_3.12.x86_64 as a component of RHEV-H and VDSM for 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-2017:1682
Fixedqemu-kvm-rhev-10:2.6.0-28.el7_3.12.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-2017:1682
Fixedqemu-kvm-rhev-debuginfo-10:2.6.0-28.el7_3.12.ppc64le as a component of RHEV-H and VDSM for 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-2017:1682
Fixedqemu-kvm-rhev-debuginfo-10:2.6.0-28.el7_3.12.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-2017:1682
Fixedqemu-kvm-rhev-debuginfo-10:2.6.0-28.el7_3.12.x86_64 as a component of RHEV-H and VDSM for 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-2017:1682
Fixedqemu-kvm-rhev-debuginfo-10:2.6.0-28.el7_3.12.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-2017:1682
Fixedqemu-kvm-tools-rhev-10:2.6.0-28.el7_3.12.ppc64le as a component of RHEV-H and VDSM for 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-2017:1682
Fixedqemu-kvm-tools-rhev-10:2.6.0-28.el7_3.12.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-2017:1682
Fixedqemu-kvm-tools-rhev-10:2.6.0-28.el7_3.12.x86_64 as a component of RHEV-H and VDSM for 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-2017:1682
Fixedqemu-kvm-tools-rhev-10:2.6.0-28.el7_3.12.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-2017:1682

cvss

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

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Psecondary · Red Hat Product Security US

v3.05.3mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Lsecondary · Red Hat Product Security US

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USprimaryCWE-476US

affected products (31)

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
debian debian linux= 9.0nvdUScpe:2.3:o:debian:debian_linux:*:*:*:*:*:*:*:*
qemu qemu≤ 2.9.1nvdUScpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
qemu-img-rhev-10:2.6.0-28.el7_3.12.ppc64le as a component of RHEV-H and VDSM for 7 Hostsall versionsfixedredhat_csafUS
qemu-img-rhev-10:2.6.0-28.el7_3.12.ppc64le as a component of Red Hat Virtualization 4 Management Agent for RHEL 7 Hostsall versionsfixedredhat_csafUS
qemu-img-rhev-10:2.6.0-28.el7_3.12.x86_64 as a component of RHEV-H and VDSM for 7 Hostsall versionsfixedredhat_csafUS
qemu-img-rhev-10:2.6.0-28.el7_3.12.x86_64 as a component of Red Hat Virtualization 4 Management Agent for RHEL 7 Hostsall versionsfixedredhat_csafUS
qemu-kvm-common-rhev-10:2.6.0-28.el7_3.12.ppc64le as a component of RHEV-H and VDSM for 7 Hostsall versionsfixedredhat_csafUS
qemu-kvm-common-rhev-10:2.6.0-28.el7_3.12.ppc64le as a component of Red Hat Virtualization 4 Management Agent for RHEL 7 Hostsall versionsfixedredhat_csafUS
qemu-kvm-common-rhev-10:2.6.0-28.el7_3.12.x86_64 as a component of RHEV-H and VDSM for 7 Hostsall versionsfixedredhat_csafUS
qemu-kvm-common-rhev-10:2.6.0-28.el7_3.12.x86_64 as a component of Red Hat Virtualization 4 Management Agent for RHEL 7 Hostsall versionsfixedredhat_csafUS
qemu-kvm-rhev-10:2.6.0-28.el7_3.12.ppc64le as a component of RHEV-H and VDSM for 7 Hostsall versionsfixedredhat_csafUS
qemu-kvm-rhev-10:2.6.0-28.el7_3.12.ppc64le as a component of Red Hat Virtualization 4 Management Agent for RHEL 7 Hostsall versionsfixedredhat_csafUS
qemu-kvm-rhev-10:2.6.0-28.el7_3.12.src as a component of RHEV-H and VDSM for 7 Hostsall versionsfixedredhat_csafUS

showing 20 of 31

advisories (2)

Vendor and ecosystem advisories describing this.

RHSA-2017:1682Red Hat Security Advisory: qemu-kvm-rhev security and bug fix update2017-07-05csaf · redhat_csafUS
An update for qemu-kvm-rhev is now available for RHEV 3.X Hypervisor and Agents for RHEL-7 and RHEV 4.X RHEV-H and Agents for RHEL-7. 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-2024-2022QEMU: Schwachstelle ermöglicht Denial of ServiceDeutsch2017-06-11csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in QEMU ausnutzen, um einen Denial of Service Angriff durchzuführen.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund nvd redhat_csaf NVD CVE.org MITRE

published 2017-07-06modified 2026-06-17

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references (24)

External citations — patches, advisories, analysis.

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