CVE-2017-8904 is a critical vulnerability affecting Xen through version 4.8.x, specifically within its GNTTABOP_transfer operations. This flaw, also known as XSA-214, stems from improper handling of "contains segment descriptors" and could allow a malicious PV guest OS user to achieve arbitrary code execution on the host OS. With a CVSS v3 score of 8.8 (High), it presents a significant risk due to its low attack complexity and the potential for complete compromise of confidentiality, integrity, and availability. While no public exploit intelligence (Metasploit, Nuclei, ExploitDB) or active exploitation has been observed, and community discussion is minimal, the inherent severity warrants attention.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
4.8.0CPE matchmatch criteria | cpe:2.3:o:xen:xen:4.8.0:*:*:*:*:*:*:* | ||
4.8.1CPE matchmatch criteria | cpe:2.3:o:xen:xen:4.8.1:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.