Public Date:
1062577: CVE-2014-0055 kernel: vhost-net: insufficient handling of error conditions in get_rx_bufs()

The MITRE CVE dictionary describes this issue as:

The get_rx_bufs function in drivers/vhost/net.c in the vhost-net subsystem in the Linux kernel package before 2.6.32-431.11.2 on Red Hat Enterprise Linux (RHEL) 6 does not properly handle vhost_get_vq_desc errors, which allows guest OS users to cause a denial of service (host OS crash) via unspecified vectors.

Find out more about CVE-2014-0055 from the MITRE CVE dictionary dictionary and NIST NVD.


This issue does not affect Red Hat Enterprise Linux 5 and Red Hat Enterprise MRG 2. This issue affects the versions of Linux kernel as shipped with Red Hat Enterprise Linux 6. Future kernel updates for Red Hat Enterprise Linux 6 may address this issue.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 5.2
Base Metrics AV:A/AC:M/Au:S/C:N/I:N/A:C
Access Vector Adjacent Network
Access Complexity Medium
Authentication Single
Confidentiality Impact None
Integrity Impact None
Availability Impact Complete

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux version 6 (kernel) RHSA-2014:0328 2014-03-25
RHEV Hypervisor for RHEL-6 (rhev-hypervisor6) RHSA-2014:0339 2014-03-31

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 7 kernel Not affected
Red Hat Enterprise Linux 5 kernel Not affected