CVEvulnerability

CVE-2013-1442

1.2 LOW Published 2013-09-30 Modified 2026-06-16 Official page ↗
Status
Modified
Published
2013-09-30
Last modified
2026-06-16
Assigner
[email protected]
CVSS 2.0 ([email protected])
1.2 LOW — AV:L/AC:H/Au:N/C:P/I:N/A:N
Weaknesses
CWE-200

Description

Xen 4.0 through 4.3.x, when using AVX or LWP capable CPUs, does not properly clear previous data from registers when using an XSAVE or XRSTOR to extend the state components of a saved or restored vCPU after touching other restored extended registers, which allows local guest OSes to obtain sensitive information by reading the registers.

Affected configurations

• 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 • xen xen 4.1.4 • xen xen 4.1.5 • xen xen 4.2.0 • xen xen 4.2.1 • xen xen 4.2.2 • xen xen 4.2.3 • xen xen 4.3.0

Related

Weakness · CWE (1)

  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor weakness

References