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 denial of service (NULL pointer dereference and QEMU process crash) by leveraging failure to define the .write method.

CVSS v3 6.0 MEDIUM
CVSS v2.0 2.1 LOW

6.0^/10

CVSS v3 : MEDIUM

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

Exploitability : 1.5 / Impact : 4.0

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope CHANGED

2.1^/10

CVSS v2.0 : LOW

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

Exploitability : 3.9 / Impact : 2.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=43b11a91dd861a946b231b89b754285
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175380.html	Issue Tracking Third Party Advisory
http://www.debian.org/security/2016/dsa-3471	Issue Tracking Third Party Advisory
http://www.openwall.com/lists/oss-security/2015/12/14/2	Issue Tracking Mailing List Third Party Advisory
http://www.securityfocus.com/bid/80761	Third Party Advisory VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1291137	Issue Tracking Third Party Advisory
https://security.gentoo.org/glsa/201602-01	Issue Tracking Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:qemu:qemu:*:r1:*:*:*:*:*:*

History

No history.

Information

Published : 2017-10-30 14:29

Updated : 2024-02-28 16:04

NVD link : CVE-2015-7549

Mitre link : CVE-2015-7549

CVE.ORG link : CVE-2015-7549

JSON object : View

Products Affected

qemu

qemu

CWE

CWE-476

NULL Pointer Dereference

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