CVE-2015-3214

Summary

CVECVE-2015-3214
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2015-08-31 10:59:07 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionThe pit_ioport_read in i8254.c in the Linux kernel before 2.6.33 and QEMU before 2.3.1 does not distinguish between read lengths and write lengths, which might allow guest OS users to execute arbitrary code on the host OS by triggering use of an invalid index.

Risk And Classification

Primary CVSS: v2.0 6.9 from [email protected]

AV:L/AC:M/Au:N/C:C/I:C/A:C

Problem Types: CWE-119 | n/a

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Medium
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

AV:L/AC:M/Au:N/C:C/I:C/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Arista Eos 4.12 All All All
Operating System Arista Eos 4.13 All All All
Operating System Arista Eos 4.14 All All All
Operating System Arista Eos 4.15 All All All
Operating System Debian Debian Linux 7.0 All All All
Operating System Debian Debian Linux 8.0 All All All
Operating System Lenovo Emc Px12-400r Ivx All All All All
Operating System Lenovo Emc Px12-450r Ivx All All All All
Operating System Linux Linux Kernel All All All All
Application Qemu Qemu All All All All
Operating System Redhat Enterprise Linux Compute Node Eus 7.1 All All All
Operating System Redhat Enterprise Linux Compute Node Eus 7.2 All All All
Operating System Redhat Enterprise Linux Compute Node Eus 7.3 All All All
Operating System Redhat Enterprise Linux Compute Node Eus 7.4 All All All
Operating System Redhat Enterprise Linux Compute Node Eus 7.5 All All All
Operating System Redhat Enterprise Linux Compute Node Eus 7.6 All All All
Operating System Redhat Enterprise Linux Compute Node Eus 7.7 All All All
Operating System Redhat Enterprise Linux For Power Big Endian 7.0 All All All
Operating System Redhat Enterprise Linux For Power Big Endian Eus 7.1_ppc64 All All All
Operating System Redhat Enterprise Linux For Power Big Endian Eus 7.2_ppc64 All All All
Operating System Redhat Enterprise Linux For Power Big Endian Eus 7.3_ppc64 All All All
Operating System Redhat Enterprise Linux For Power Big Endian Eus 7.4_ppc64 All All All
Operating System Redhat Enterprise Linux For Power Big Endian Eus 7.5_ppc64 All All All
Operating System Redhat Enterprise Linux For Power Big Endian Eus 7.6_ppc64 All All All
Operating System Redhat Enterprise Linux For Power Big Endian Eus 7.7_ppc64 All All All
Operating System Redhat Enterprise Linux For Scientific Computing 7.0 All All All
Operating System Redhat Enterprise Linux Server 7.0 All All All
Operating System Redhat Enterprise Linux Server Aus 7.3 All All All
Operating System Redhat Enterprise Linux Server Aus 7.4 All All All
Operating System Redhat Enterprise Linux Server Aus 7.6 All All All
Operating System Redhat Enterprise Linux Server Aus 7.7 All All All
Operating System Redhat Enterprise Linux Server Eus 7.1 All All All
Operating System Redhat Enterprise Linux Server Eus 7.2 All All All
Operating System Redhat Enterprise Linux Server Eus 7.3 All All All
Operating System Redhat Enterprise Linux Server Eus 7.4 All All All
Operating System Redhat Enterprise Linux Server Eus 7.5 All All All
Operating System Redhat Enterprise Linux Server Eus 7.6 All All All
Operating System Redhat Enterprise Linux Server Eus 7.7 All All All
Operating System Redhat Enterprise Linux Server From Rhui 7.0 All All All
Operating System Redhat Enterprise Linux Server Tus 7.3 All All All
Operating System Redhat Enterprise Linux Server Tus 7.6 All All All
Operating System Redhat Enterprise Linux Server Tus 7.7 All All All
Operating System Redhat Enterprise Linux Server Update Services For Sap Solutions 7.2 All All All
Operating System Redhat Enterprise Linux Server Update Services For Sap Solutions 7.3 All All All
Operating System Redhat Enterprise Linux Server Update Services For Sap Solutions 7.4 All All All
Operating System Redhat Enterprise Linux Server Update Services For Sap Solutions 7.6 All All All
Operating System Redhat Enterprise Linux Server Update Services For Sap Solutions 7.7 All All All
Operating System Redhat Enterprise Linux Workstation 7.0 All All All
Application Redhat Openstack 5.0 All All All
Application Redhat Openstack 6.0 All All All
Application Redhat Virtualization 3.0 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
QEMU: Arbitrary code execution (GLSA 201510-02) — Gentoo Security af854a3a-2127-422b-91ae-364da2661108 security.gentoo.org Issue Tracking, Third Party Advisory
Debian -- Security Information -- DSA-3348-1 qemu af854a3a-2127-422b-91ae-364da2661108 www.debian.org Issue Tracking, Third Party Advisory
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com Issue Tracking, Third Party Advisory
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com Issue Tracking, Third Party Advisory
Arista - Security Advisory 0013 af854a3a-2127-422b-91ae-364da2661108 www.arista.com Third Party Advisory
QEMU i8254 PIT Emulation Bug - Lenovo Support US af854a3a-2127-422b-91ae-364da2661108 support.lenovo.com Third Party Advisory
404 Not Found af854a3a-2127-422b-91ae-364da2661108 mirror.linux.org.au Broken Link, Vendor Advisory
QEMU - Programmable Interrupt Timer Controller Heap Overflow - Multiple dos Exploit af854a3a-2127-422b-91ae-364da2661108 www.exploit-db.com Third Party Advisory, VDB Entry
QEMU 'pit_ioport_read()' Function Memory Corruption Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
QEMU i8254 PIT Emulation Bug - Lenovo Support (US) af854a3a-2127-422b-91ae-364da2661108 support.lenovo.com Third Party Advisory
Re: [Qemu-devel] [PATCH] i8254: fix out-of-bounds memory access in pit_ioport_read() af854a3a-2127-422b-91ae-364da2661108 www.mail-archive.com
kernel/git/torvalds/linux.git - Linux kernel source tree af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch, Vendor Advisory
KVM: PIT: control word is write-only · torvalds/linux@ee73f65 · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Patch, Third Party Advisory
QEMU i8254 PIT Emulation Bug Lets Local Users Gain Elevated Privileges - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com Third Party Advisory, VDB Entry
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com Third Party Advisory
Bug 1229640 – CVE-2015-3214 qemu/kvm: i8254: out-of-bounds memory access in pit_ioport_read function af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com Issue Tracking
oss-security - Re: CVE request -- Linux kernel - kvm: x86: out-of-bounds memory access in pit_ioport_read function af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List
Red Hat Customer Portal MITRE access.redhat.com
Red Hat Customer Portal MITRE access.redhat.com
Red Hat Customer Portal MITRE access.redhat.com
CVE-2015-3214 - Red Hat Customer Portal MITRE access.redhat.com
Re: [Qemu-devel] [PATCH] i8254: fix out-of-bounds memory access in pit_ioport_read() MITRE www.mail-archive.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
© CVE.report 2026 |

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

Free CVE JSON API cve.report/api

CVE.report and Source URL Uptime Status status.cve.report