CVE-2015-2756 describes a denial-of-service vulnerability in QEMU, specifically affecting Xen versions 3.3.x through 4.5.x, as well as Canonical, Debian, and Fedora Project products. A local HVM guest user can trigger a host crash by manipulating PCI command registers to disable memory or I/O decoding for a PCI Express device, leading to an Unsupported Request response. The vulnerability has a CVSS score of 4.9, indicating a low attack complexity and local access vector, with a high impact on availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
7.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* | ||
8.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | ||
4.3.0CPE matchmatch criteria | cpe:2.3:o:xen:xen:4.3.0:*:*:*:*:*:*:* | ||
4.3.1CPE matchmatch criteria | cpe:2.3:o:xen:xen:4.3.1:*:*:*:*:*:*:* | ||
4.3.2CPE matchmatch criteria | cpe:2.3:o:xen:xen:4.3.2:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:L/AC:L/Au:N/C:N/I:N/A:C
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The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.