CVE-2015-8554

Buffer overflow in hw/pt-msi.c in Xen 4.6.x and earlier, when using the qemu-xen-traditional (aka qemu-dm) device model, allows local x86 HVM guest administrators to gain privileges by leveraging a system with access to a passed-through MSI-X capable physical PCI device and MSI-X table entries, related to a "write path."

• CVE ID
• CVE-2015-8554

• Assigner
• cve@mitre.org

• Vulnerability Status
• Modified

• Published Version
• 2016-04-14T14:59:05

• Last Modified Date
• 2017-07-01T01:29:26

• Version
• 2.0

• Vector String
• AV:L/AC:M/Au:S/C:C/I:C/A:C

• Access Vector
• LOCAL

• Access Compatibility
• MEDIUM

• Authentication
• SINGLE

• Confidentiality Impact
• COMPLETE

• Integrity Impact
• COMPLETE

• Availability Impact
• COMPLETE

• Base Score
• 6.6

• Severity
• MEDIUM

• Exploitability Score
• 2.7

• Impact Score
• 10

• Version
• 3.0

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

• Attack Vector
• LOCAL

• Attack Compatibility
• HIGH

• Privileges Required
• HIGH

• User Interaction
• NONE

• Scope
• CHANGED

• Confidentiality Impact
• HIGH

• Availability Impact
• HIGH

• Base Score
• 7.5

• Base Severity
• HIGH

• Exploitability Score
• 0.8

• Impact Score
• 6