CVE-2015-3456

highpriority · attend · 46EPSS 0.153 · 97 %ileexploit · PoCEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

3 exploits · PoC

Likely / severe?

15.3% (97th) EPSS

CVSS 7.7 · high

Is it mine?

39 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · redhat_csaf

EPSS · scored 2026-10-27

The Floppy Disk Controller (FDC) in QEMU, as used in Xen 4.5.x and earlier and KVM, allows local guest users to cause a denial of service (out-of-bounds write and guest crash) or possibly execute arbitrary code via the (1) FD_CMD_READ_ID, (2) FD_CMD_DRIVE_SPECIFICATION_COMMAND, or other unspecified commands, aka VENOM.

remediations

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

A vendor fix is available.

Fixedlibcacard-devel-rhev-10:2.1.2-23.el7_1.3.x86_64 as a component of Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7redhat_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/11258
https://access.redhat.com/errata/RHSA-2015:1004
Fixedlibcacard-devel-rhev-10:2.1.2-23.el7_1.3.x86_64 as a component of Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7redhat_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/11258
https://access.redhat.com/errata/RHSA-2015:1004
Fixedlibcacard-rhev-10:2.1.2-23.el7_1.3.x86_64 as a component of Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7redhat_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/11258
https://access.redhat.com/errata/RHSA-2015:1004
Fixedlibcacard-rhev-10:2.1.2-23.el7_1.3.x86_64 as a component of Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7redhat_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/11258
https://access.redhat.com/errata/RHSA-2015:1004
Fixedlibcacard-tools-rhev-10:2.1.2-23.el7_1.3.x86_64 as a component of Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7redhat_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/11258
https://access.redhat.com/errata/RHSA-2015:1004
Fixedlibcacard-tools-rhev-10:2.1.2-23.el7_1.3.x86_64 as a component of Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7redhat_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/11258
https://access.redhat.com/errata/RHSA-2015:1004
Fixedqemu-img-rhev-10:2.1.2-23.el7_1.3.x86_64 as a component of Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7redhat_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/11258
https://access.redhat.com/errata/RHSA-2015:1004
Fixedqemu-img-rhev-10:2.1.2-23.el7_1.3.x86_64 as a component of Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7redhat_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/11258
https://access.redhat.com/errata/RHSA-2015:1004
Fixedqemu-img-rhev-2:0.12.1.2-2.448.el6_6.3.x86_64 as a component of Red Hat Enterprise Linux OpenStack Platform 4.0redhat_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/11258
https://access.redhat.com/errata/RHSA-2015:1004
Fixedqemu-img-rhev-2:0.12.1.2-2.448.el6_6.3.x86_64 as a component of Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 6redhat_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/11258
https://access.redhat.com/errata/RHSA-2015:1004
Fixedqemu-kvm-common-rhev-10:2.1.2-23.el7_1.3.x86_64 as a component of Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7redhat_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/11258
https://access.redhat.com/errata/RHSA-2015:1004
Fixedqemu-kvm-common-rhev-10:2.1.2-23.el7_1.3.x86_64 as a component of Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7redhat_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/11258
https://access.redhat.com/errata/RHSA-2015:1004
Fixedqemu-kvm-rhev-10:2.1.2-23.el7_1.3.src as a component of Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7redhat_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/11258
https://access.redhat.com/errata/RHSA-2015:1004
Fixedqemu-kvm-rhev-10:2.1.2-23.el7_1.3.src as a component of Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7redhat_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/11258
https://access.redhat.com/errata/RHSA-2015:1004
Fixedqemu-kvm-rhev-10:2.1.2-23.el7_1.3.x86_64 as a component of Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7redhat_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/11258
https://access.redhat.com/errata/RHSA-2015:1004
Fixedqemu-kvm-rhev-10:2.1.2-23.el7_1.3.x86_64 as a component of Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7redhat_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/11258
https://access.redhat.com/errata/RHSA-2015:1004
Fixedqemu-kvm-rhev-2:0.12.1.2-2.448.el6_6.3.src as a component of Red Hat Enterprise Linux OpenStack Platform 4.0redhat_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/11258
https://access.redhat.com/errata/RHSA-2015:1004
Fixedqemu-kvm-rhev-2:0.12.1.2-2.448.el6_6.3.src as a component of Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 6redhat_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/11258
https://access.redhat.com/errata/RHSA-2015:1004
Fixedqemu-kvm-rhev-2:0.12.1.2-2.448.el6_6.3.x86_64 as a component of Red Hat Enterprise Linux OpenStack Platform 4.0redhat_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/11258
https://access.redhat.com/errata/RHSA-2015:1004
Fixedqemu-kvm-rhev-2:0.12.1.2-2.448.el6_6.3.x86_64 as a component of Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 6redhat_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/11258
https://access.redhat.com/errata/RHSA-2015:1004
Fixedqemu-kvm-rhev-debuginfo-10:2.1.2-23.el7_1.3.x86_64 as a component of Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7redhat_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/11258
https://access.redhat.com/errata/RHSA-2015:1004
Fixedqemu-kvm-rhev-debuginfo-10:2.1.2-23.el7_1.3.x86_64 as a component of Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7redhat_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/11258
https://access.redhat.com/errata/RHSA-2015:1004
Fixedqemu-kvm-rhev-debuginfo-2:0.12.1.2-2.448.el6_6.3.x86_64 as a component of Red Hat Enterprise Linux OpenStack Platform 4.0redhat_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/11258
https://access.redhat.com/errata/RHSA-2015:1004
Fixedqemu-kvm-rhev-debuginfo-2:0.12.1.2-2.448.el6_6.3.x86_64 as a component of Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 6redhat_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/11258
https://access.redhat.com/errata/RHSA-2015:1004
Fixedqemu-kvm-rhev-tools-2:0.12.1.2-2.448.el6_6.3.x86_64 as a component of Red Hat Enterprise Linux OpenStack Platform 4.0redhat_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/11258
https://access.redhat.com/errata/RHSA-2015:1004
Fixedqemu-kvm-rhev-tools-2:0.12.1.2-2.448.el6_6.3.x86_64 as a component of Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 6redhat_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/11258
https://access.redhat.com/errata/RHSA-2015:1004
Fixedqemu-kvm-tools-rhev-10:2.1.2-23.el7_1.3.x86_64 as a component of Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7redhat_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/11258
https://access.redhat.com/errata/RHSA-2015:1004
Fixedqemu-kvm-tools-rhev-10:2.1.2-23.el7_1.3.x86_64 as a component of Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7redhat_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/11258
https://access.redhat.com/errata/RHSA-2015:1004

cvss

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

7.7

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.5–7.7

v2.07.7highAV:A/AC:L/Au:S/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 5.1 · impact 10

v2.06.9mediumAV:A/AC:L/Au:S/C:C/I:C/A:C/E:POCsecondary · CVSS-BT (t0sche)

v2.06.5mediumAV:A/AC:H/Au:S/C:C/I:C/A:Csecondary · Red Hat Product Security US

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-119USprimaryCWE-119US

exploits (3)

Public proof-of-concept and weaponised exploit code.

EDB-37053QEMU - Floppy Disk Controller (FDC) (PoC)PoC · exploit_db
orf53975/poisonfrogA VENOM (CVE-2015-3456) Exploit / PoC written in C.PoC · poc_in_github
vincentbernat/cve-2015-3456Experiments related to CVE-2015-3456PoC · poc_in_github

affected products (39)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
qemu qemu≤ 2.3.0nvdUScpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
redhat enterprise linux= 5nvdUScpe:2.3:o:redhat:enterprise_linux:*:*:*:*:*:*:*:*
redhat enterprise linux= 6.0nvdUScpe:2.3:o:redhat:enterprise_linux:*:*:*:*:*:*:*:*
redhat enterprise linux= 7.0nvdUScpe:2.3:o:redhat:enterprise_linux:*:*:*:*:*:*:*:*
redhat enterprise virtualization= 3.0nvdUScpe:2.3:a:redhat:enterprise_virtualization:*:*:*:*:*:*:*:*
redhat openstack= 4.0nvdUScpe:2.3:a:redhat:openstack:*:*:*:*:*:*:*:*
redhat openstack= 5.0nvdUScpe:2.3:a:redhat:openstack:*:*:*:*:*:*:*:*
redhat openstack= 6.0nvdUScpe:2.3:a:redhat:openstack:*:*:*:*:*:*:*:*
redhat openstack= 7.0nvdUScpe:2.3:a:redhat:openstack:*:*:*:*:*:*:*:*
xen xen= 4.5.0nvdUScpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*
libcacard-devel-rhev-10:2.1.2-23.el7_1.3.x86_64 as a component of Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7all versionsfixedredhat_csafUS
libcacard-devel-rhev-10:2.1.2-23.el7_1.3.x86_64 as a component of Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7all versionsfixedredhat_csafUS
libcacard-rhev-10:2.1.2-23.el7_1.3.x86_64 as a component of Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7all versionsfixedredhat_csafUS
libcacard-rhev-10:2.1.2-23.el7_1.3.x86_64 as a component of Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7all versionsfixedredhat_csafUS
libcacard-tools-rhev-10:2.1.2-23.el7_1.3.x86_64 as a component of Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7all versionsfixedredhat_csafUS
libcacard-tools-rhev-10:2.1.2-23.el7_1.3.x86_64 as a component of Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7all versionsfixedredhat_csafUS
qemu-img-rhev-10:2.1.2-23.el7_1.3.x86_64 as a component of Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7all versionsfixedredhat_csafUS
qemu-img-rhev-10:2.1.2-23.el7_1.3.x86_64 as a component of Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7all versionsfixedredhat_csafUS
qemu-img-rhev-2:0.12.1.2-2.448.el6_6.3.x86_64 as a component of Red Hat Enterprise Linux OpenStack Platform 4.0all versionsfixedredhat_csafUS

showing 20 of 39

advisories (1)

Vendor and ecosystem advisories describing this.

RHSA-2015:1004Red Hat Security Advisory: qemu-kvm-rhev security update2015-05-13csaf · redhat_csafUS
Updated qemu-kvm-rhev packages that fix one security issue are now available for Red Hat Enterprise Linux OpenStack Platform 4.0, Red Hat Enterprise Linux OpenStack Platform 5.0 for Red Hat Enterprise Linux 6 and 7, and Red Hat Enterprise Linux OpenStack Platform 6.0. Red Hat Product Security has rated this update as having Important security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd redhat_csaf NVD CVE.org MITRE

published 2015-05-13modified 2026-06-17

related (21,028)

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+21023 more

references (149)

External citations — patches, advisories, analysis.

scry

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