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CVE-2014-0077

Impact:
Moderate
Public Date:
2014-03-27
Bugzilla:
1064440: CVE-2014-0077 kernel: vhost-net: insufficiency in handling of big packets in handle_rx()

The MITRE CVE dictionary describes this issue as:

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.

Find out more about CVE-2014-0077 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

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

CVSS v2 metrics

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

Base Score 5.5
Base Metrics AV:A/AC:H/Au:S/C:P/I:P/A:C
Access Vector Adjacent Network
Access Complexity High
Authentication Single
Confidentiality Impact Partial
Integrity Impact Partial
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 Extended Update Support 6.3 (kernel) RHSA-2014:0593 2014-06-03
Red Hat Enterprise Linux 6 (kernel) RHSA-2014:0475 2014-05-07
RHEV Hypervisor for RHEL-6 (rhev-hypervisor6) RHSA-2014:0629 2014-06-05
Red Hat Enterprise Linux Extended Update Support 6.4 (kernel) RHSA-2014:0634 2014-06-04

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 7 kernel Not affected
Red Hat Enterprise MRG 2 realtime-kernel Not affected
Red Hat Enterprise Linux 5 kernel Not affected

Acknowledgements

This issue was discovered by Michael S. Tsirkin of Red Hat.

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