CVE-2015-7549

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Summary

CVECVE-2015-7549
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2017-10-30 14:29:00 UTC
Updated2025-04-20 01:37:25 UTC
DescriptionThe MSI-X MMIO support in hw/pci/msix.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (NULL pointer dereference and QEMU process crash) by leveraging failure to define the .write method.

Risk And Classification

Primary CVSS: v3.0 6 MEDIUM from [email protected]

CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H

Problem Types: CWE-476 | n/a

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary6MEDIUMCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
2.0[email protected]Primary2.1AV:L/AC:L/Au:N/C:N/I:N/A:P

CVSS v3.0 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H

CVSS v2.0 Breakdown

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

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Qemu Qemu All r1 All All

Vendor Declared Affected Products

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

References

ReferenceSourceLinkTags
[SECURITY] Fedora 23 Update: qemu-2.4.1-5.fc23 af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org Issue Tracking, Third Party Advisory
QEMU 'hw/pci/msix.c' Null Pointer Dereference Denial of Service Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
Debian -- Security Information -- DSA-3471-1 qemu af854a3a-2127-422b-91ae-364da2661108 www.debian.org Issue Tracking, Third Party Advisory
git.qemu.org Git - qemu.git/commit af854a3a-2127-422b-91ae-364da2661108 git.qemu.org
oss-security - CVE-2015-7549 Qemu: pci: msi-x: null pointer dereference issue af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Issue Tracking, Mailing List, Third Party Advisory
Bug 1291137 – CVE-2015-7549 Qemu: pci: null pointer dereference issue af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com Issue Tracking, Third Party Advisory
QEMU: Multiple vulnerabilities (GLSA 201602-01) — Gentoo security af854a3a-2127-422b-91ae-364da2661108 security.gentoo.org Issue Tracking, Third Party Advisory
git.qemu.org Git - qemu.git/commit MITRE git.qemu.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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