CVEvulnerability

CVE-2012-5515

4.7 MEDIUM Published 2012-12-13 Modified 2026-06-16 Official page ↗
Status
Modified
Published
2012-12-13
Last modified
2026-06-16
Assigner
[email protected]
CVSS 2.0 ([email protected])
4.7 MEDIUM — AV:L/AC:M/Au:N/C:N/I:N/A:C

Description

The (1) XENMEM_decrease_reservation, (2) XENMEM_populate_physmap, and (3) XENMEM_exchange hypercalls in Xen 4.2 and earlier allow local guest administrators to cause a denial of service (long loop and hang) via a crafted extent_order value.

Affected configurations

• xen xen (<= 4.2.0) • xen xen 3.0.2 • xen xen 3.0.3 • xen xen 3.0.4 • xen xen 3.1.3 • xen xen 3.1.4 • xen xen 3.2.0 • xen xen 3.2.1 • xen xen 3.2.2 • xen xen 3.2.3 • xen xen 3.3.0 • xen xen 3.3.1 • xen xen 3.3.2 • xen xen 3.4.0 • xen xen 3.4.1 • xen xen 3.4.2 • xen xen 3.4.3 • xen xen 3.4.4 • xen xen 4.0.0 • xen xen 4.0.1 • xen xen 4.0.2 • xen xen 4.0.3 • xen xen 4.0.4 • xen xen 4.1.0 • xen xen 4.1.1 • xen xen 4.1.2 • xen xen 4.1.3

References