CVE-2014-0077

Description

From CVE.org

drivers/vhost/net.c in the Linux kernel before 3.13.10, when mergeable buffers are disabled, does not properly validate packet lengths, which allows guest OS users to cause a denial of service (memory corruption and host OS crash) or possibly gain privileges on the host OS via crafted packets, related to the handle_rx and get_rx_bufs functions.

Statement

This issue does 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 Score5.55.5N/A
Attack VectorAdjacent NetworkAdjacent NetworkN/A
Access ComplexityHighHighN/A
AuthenticationSingleSingleN/A
Confidentiality ImpactPartialPartialN/A
Integrity ImpactPartialPartialN/A
Availability ImpactCompleteCompleteN/A

Vector

Red Hat: AV:A/AC:H/Au:S/C:P/I:P/A:C

NVD: AV:A/AC:H/Au:S/C:P/I:P/A:C

Acknowledgements

This issue was discovered by Michael S. Tsirkin (Red Hat).

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