7.7
CWE
119
Advisory Published
Updated

CVE-2015-3456: Buffer Overflow

First published: Wed May 13 2015(Updated: )

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.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
QEMU KVM<=2.3.0
Red Hat Enterprise Virtualization=3.0
Red Hat OpenStack for IBM Power=4.0
Red Hat OpenStack for IBM Power=5.0
Red Hat OpenStack for IBM Power=6.0
Red Hat OpenStack for IBM Power=7.0
Red Hat Enterprise Linux=5
Red Hat Enterprise Linux=6.0
Red Hat Enterprise Linux=7.0
Xen XAPI=4.5.0

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2015-3456?

    CVE-2015-3456 is considered to have a medium severity level due to its potential to cause denial of service and execute arbitrary code.

  • How do I fix CVE-2015-3456?

    To fix CVE-2015-3456, update QEMU to version 2.3.1 or later, or apply the relevant patches provided by your vendor.

  • Which versions of QEMU are affected by CVE-2015-3456?

    Versions of QEMU up to and including 2.3.0 are affected by CVE-2015-3456.

  • Which platforms are impacted by CVE-2015-3456?

    CVE-2015-3456 impacts platforms using QEMU, including Xen 4.5.x and earlier, and various versions of Red Hat OpenStack and Enterprise Virtualization.

  • Can CVE-2015-3456 lead to remote code execution?

    While CVE-2015-3456 primarily leads to denial of service, it has potential for arbitrary code execution under certain conditions.

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