CVE-2015-8554 describes a buffer overflow vulnerability in Xen 4.6.x and earlier, specifically within the qemu-xen-traditional device model. This flaw allows local x86 HVM guest administrators to escalate privileges by manipulating MSI-X table entries on systems with passed-through MSI-X capable PCI devices. Rated 7.5 HIGH, the attack requires high privileges and local access, but can lead to complete compromise of confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 4.6.1CPE matchmatch criteria | cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
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