CVE-2014-7188
Description
From CVE.org
The hvm_msr_read_intercept function in arch/x86/hvm/hvm.c in Xen 4.1 through 4.4.x uses an improper MSR range for x2APIC emulation, which allows local HVM guests to cause a denial of service (host crash) or read data from the hypervisor or other guests via unspecified vectors.
Statement
Not vulnerable.
This issue does not affect the versions of the kernel-xen package as shipped with Red Hat Enterprise Linux 5.
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).
The following CVSS metrics and score provided are preliminary and subject to review.
CVSS v2 Score Breakdown
| Red Hat | NVD | cve.org | |
|---|---|---|---|
| Base Score | 5.8 | 8.3 | N/A |
| Attack Vector | Adjacent Network | Adjacent Network | N/A |
| Access Complexity | Medium | Low | N/A |
| Authentication | Single | None | N/A |
| Confidentiality Impact | Partial | Complete | N/A |
| Integrity Impact | None | Complete | N/A |
| Availability Impact | Complete | Complete | N/A |
Vector
Red Hat: AV:A/AC:M/Au:S/C:P/I:N/A:C
NVD: AV:A/AC:L/Au:N/C:C/I:C/A:C
Acknowledgements
Red Hat would like to thank Xen for reporting this issue.
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