CVE-2015-6855

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Summary

CVECVE-2015-6855
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2015-11-06 21:59:07 UTC
Updated2026-05-06 22:30:45 UTC
Descriptionhw/ide/core.c in QEMU does not properly restrict the commands accepted by an ATAPI device, which allows guest users to cause a denial of service or possibly have unspecified other impact via certain IDE commands, as demonstrated by a WIN_READ_NATIVE_MAX command to an empty drive, which triggers a divide-by-zero error and instance crash.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Problem Types: CWE-369 | n/a

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
2.0[email protected]Primary5AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Arista Eos - All All All
Operating System Canonical Ubuntu Linux 12.04 All All All
Operating System Canonical Ubuntu Linux 14.04 All All All
Operating System Canonical Ubuntu Linux 15.04 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 Debian Debian Linux 9.0 All All All
Operating System Fedoraproject Fedora 21 All All All
Operating System Fedoraproject Fedora 22 All All All
Operating System Fedoraproject Fedora 23 All All All
Application Qemu Qemu All All All All
Operating System Suse Linux Enterprise Desktop 12 - All All
Operating System Suse Linux Enterprise Server 12 - All All

Vendor Declared Affected Products

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

References

ReferenceSourceLinkTags
[Qemu-devel] [PATCH] ide: fix ATAPI command permissions af854a3a-2127-422b-91ae-364da2661108 lists.gnu.org Mailing List, Third Party Advisory
Debian -- Security Information -- DSA-3362-1 qemu-kvm af854a3a-2127-422b-91ae-364da2661108 www.debian.org Third Party Advisory
QEMU 'hw/ide/core.c' Denial of Service Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
[SECURITY] Fedora 21 Update: xen-4.4.3-5.fc21 af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org Third Party Advisory
[SECURITY] Fedora 22 Update: xen-4.5.1-10.fc22 af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org Third Party Advisory
Arista - Security Advisory 0014 af854a3a-2127-422b-91ae-364da2661108 www.arista.com Third Party Advisory
oss-security - CVE request Qemu: ide: divide by zero issue af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Third Party Advisory
[security-announce] SUSE-SU-2015:1782-1: important: Security update for af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
[SECURITY] Fedora 22 Update: qemu-2.3.1-5.fc22 af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org Third Party Advisory
[SECURITY] Fedora 23 Update: qemu-2.4.0-4.fc23 af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org Third Party Advisory
[SECURITY] Fedora 23 Update: xen-4.5.1-10.fc23 af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org Third Party Advisory
oss-security - Re: CVE request Qemu: ide: divide by zero issue af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Third Party Advisory
Debian -- Security Information -- DSA-3361-1 qemu af854a3a-2127-422b-91ae-364da2661108 www.debian.org Third Party Advisory
[SECURITY] Fedora 21 Update: qemu-2.1.3-11.fc21 af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org Third Party Advisory
USN-2745-1: QEMU vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com Third Party Advisory
QEMU: Multiple vulnerabilities (GLSA 201602-01) — Gentoo security af854a3a-2127-422b-91ae-364da2661108 security.gentoo.org Third Party Advisory
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NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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