CVE-2018-19963 is a high-severity vulnerability affecting Xen 4.11, where mishandled IOREQ server resource accounting for external emulators allows HVM guest OS users to trigger a host OS crash (Denial of Service) or potentially escalate privileges. The attack requires local access and high attack complexity, 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 CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
4.11.0CPE matchmatch criteria | cpe:2.3:o:xen:xen:4.11.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:L/AC:H/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, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.4 InfoSec Media, 0.1 Vendor Blog, and 0.0 Security Researcher mentions.