CVE-2014-8866 describes a denial-of-service vulnerability in Xen versions 3.3.x through 4.4.x, affecting 64-bit hypervisors running 32-bit HVM guests. The flaw stems from improper compatibility mode hypercall argument translation, allowing a local 32-bit guest to crash the host by manipulating register high halves in 64-bit mode. This vulnerability has a CVSS score of 4.7 (Medium) with a local attack vector and medium attack complexity, leading to a complete denial of service. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
7.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* | ||
3.3.0CPE matchmatch criteria | cpe:2.3:o:xen:xen:3.3.0:*:*:*:*:*:*:* | ||
3.3.1CPE matchmatch criteria | cpe:2.3:o:xen:xen:3.3.1:*:*:*:*:*:*:* | ||
3.3.2CPE matchmatch criteria | cpe:2.3:o:xen:xen:3.3.2:*:*:*:*:*:*:* | ||
3.4.0CPE matchmatch criteria | cpe:2.3:o:xen:xen:3.4.0:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:L/AC:M/Au:N/C:N/I:N/A:C
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.