CVE-2016-4480 is a high-severity vulnerability affecting Xen 4.6.x and earlier, as well as Oracle VM Server and Xen VM Server. It stems from improper handling of the Page Size bit in guest_walk_tables, potentially allowing local guest OS users to escalate privileges through crafted memory mappings. With a CVSS v3 score of 8.4, it presents a high risk of compromise to confidentiality, integrity, and availability. Despite its severity, there is no evidence of active exploitation, public exploit code, or significant community discussion, suggesting a low current threat landscape.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
3.2CPE matchmatch criteria | cpe:2.3:o:oracle:vm_server:3.2:*:*:*:*:*:*:* | ||
3.3CPE matchmatch criteria | cpe:2.3:o:oracle:vm_server:3.3:*:*:*:*:*:*:* | ||
3.4CPE matchmatch criteria | cpe:2.3:o:oracle:vm_server:3.4:*:*:*:*:*:*:* | ||
<= 4.6.1CPE matchmatch criteria | cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.5 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.