Home/CVE/The MSI-X MMIO support in hw/pci/msix.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a d
CVE

CVE-2015-7549

The MSI-X MMIO support in hw/pci/msix.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a d

The 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.

MEDIUM · CVSS 6 EPSS 0.00118
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules1 YARA rules0
⬡

Weakness Classification

CWE-476NULL Pointer Dereference
▤

Affected Products & Versions

1
qemu< 2.5.0
◈

Sigma Hunt Rules

1
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumPotentially Suspicious Usage Of Qemu
▣

Scoring & Timeline

6
MEDIUM · CVSS v3.0 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD30 Oct 2017 · 02:29 PM
CVSS VectorCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
⚑

Vendor Advisories

9
suse-csafopenSUSE-SU-2024:10196-1
suse-csafSUSE-SU-2016:1785-1
suse-csafSUSE-SU-2016:1703-1
suse-csafSUSE-SU-2016:1698-1
suse-csafSUSE-SU-2016:1560-1
🔗

References & Sources

7
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://git.qemu.org/?p=qemu.git
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175380.htmlIssue TrackingThird Party Advisory
http://www.debian.org/security/2016/dsa-3471Issue TrackingThird Party Advisory
http://www.openwall.com/lists/oss-security/2015/12/14/2Issue TrackingMailing ListThird Party Advisory
http://www.securityfocus.com/bid/80761Third Party AdvisoryVDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1291137Issue TrackingThird Party Advisory
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