CVE-2017-8905 describes a critical vulnerability in Xen through version 4.6.x on 64-bit platforms, where a mishandled failsafe callback could allow a privileged PV guest OS user to execute arbitrary code on the host OS. This vulnerability carries a high CVSS score of 8.8, indicating a local attack vector with low attack complexity, leading to high impacts on confidentiality, integrity, and availability. While no public exploit intelligence (Metasploit, Nuclei, ExploitDB) or KEV entry exists, and community discussion is minimal, the potential for a complete compromise of the host system by a guest OS user makes this a significant risk.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
4.6.0CPE matchmatch criteria | cpe:2.3:o:xen:xen:4.6.0:*:*:*:*:*:*:* | ||
4.6.1CPE matchmatch criteria | cpe:2.3:o:xen:xen:4.6.1:*:*:*:*:*:*:* | ||
4.6.2CPE matchmatch criteria | cpe:2.3:o:xen:xen:4.6.2:*:*:*:*:*:*:* | ||
4.6.3CPE matchmatch criteria | cpe:2.3:o:xen:xen:4.6.3:*:*:*:*:*:*:* | ||
4.6.4CPE matchmatch criteria | cpe:2.3:o:xen:xen:4.6.4:*:*:*:*:*:*:* |
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.