CVE-2012-3516 is a critical vulnerability affecting Xen 4.2 and Citrix XenServer 6.0.2, allowing local guest kernels or administrators to trigger a host crash (Denial of Service) and potentially gain elevated privileges through a crafted grant reference. With a CVSS score of 6.9, this vulnerability has a local attack vector and medium attack complexity, leading to complete confidentiality, integrity, and availability impacts. Despite its severity, there is no evidence of active exploitation, no known public exploit code (Metasploit, Nuclei, ExploitDB), and minimal community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 6.0.2CPE matchmatch criteria | cpe:2.3:a:citrix:xenserver:*:*:*:*:*:*:*:* | ||
4.2.0CPE matchmatch criteria | cpe:2.3:o:xen:xen:4.2.0:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:L/AC:M/Au:N/C:C/I:C/A:C
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.