CVE-2013-0228

Description

From CVE.org

The xen_iret function in arch/x86/xen/xen-asm_32.S in the Linux kernel before 3.7.9 on 32-bit Xen paravirt_ops platforms does not properly handle an invalid value in the DS segment register, which allows guest OS users to gain guest OS privileges via a crafted application.

Statement

This issue did affect the versions of the kernel package as shipped with Red Hat Enterprise Linux 6.

This issue did not affect Red Hat Enterprise Linux 5 and Red Hat Enterprise MRG 2.

Common Vulnerability Scoring System (CVSS) Score Details

Info alert:Important note

CVSS scores for open source components depend on vendor-specific factors (e.g. version or build chain). Therefore, Red Hat's score and impact rating can be different from NVD and other vendors. Red Hat remains the authoritative CVE Naming Authority (CNA) source for its products and services (see Red Hat classifications).

CVSS v2 Score Breakdown

Red HatNVDcve.org
Base Score6.26.2N/A
Attack VectorLocalLocalN/A
Access ComplexityHighHighN/A
AuthenticationNoneNoneN/A
Confidentiality ImpactCompleteCompleteN/A
Integrity ImpactCompleteCompleteN/A
Availability ImpactCompleteCompleteN/A

Vector

Red Hat: AV:L/AC:H/Au:N/C:C/I:C/A:C

NVD: AV:L/AC:H/Au:N/C:C/I:C/A:C

Acknowledgements

This issue was discovered by Andrew Jones (Red Hat).

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