CVE-2013-6376
Description
From CVE.org
The recalculate_apic_map function in arch/x86/kvm/lapic.c in the KVM subsystem in the Linux kernel through 3.12.5 allows guest OS users to cause a denial of service (host OS crash) via a crafted ICR write operation in x2apic mode.
Statement
Not vulnerable.
This issue did not affect the versions of kvm packages as shipped with Red Hat Enterprise Linux 5. This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise 6.
This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise MRG 2 as they did not provide support for the KVM subsystem.
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 | 5.2 | 5.2 | N/A |
| Attack Vector | Adjacent Network | Adjacent Network | N/A |
| Access Complexity | Medium | Medium | N/A |
| Authentication | Single | Single | N/A |
| Confidentiality Impact | None | None | N/A |
| Integrity Impact | None | None | N/A |
| Availability Impact | Complete | Complete | N/A |
Vector
Red Hat: AV:A/AC:M/Au:S/C:N/I:N/A:C
NVD: AV:A/AC:M/Au:S/C:N/I:N/A:C
Acknowledgements
Red Hat would like to thank Lars Bull (Google) for reporting this issue.
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