CVE-2012-4538 describes a denial-of-service vulnerability in Xen versions 4.0, 4.1, and 4.2. A local HVM guest operating system can trigger a hypervisor crash by exploiting improper pagetable state checks within the HVMOP_pagetable_dying hypercall when using shadow pagetables. This vulnerability has a CVSS score of 4.9, indicating a low attack complexity and requiring local access to achieve a complete availability impact. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
4.0.0CPE matchmatch criteria | cpe:2.3:o:xen:xen:4.0.0:*:*:*:*:*:*:* | ||
4.1.0CPE matchmatch criteria | cpe:2.3:o:xen:xen:4.1.0:*:*:*:*:*:*:* | ||
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:L/Au:N/C:N/I:N/A:C
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The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.