CVE-2015-5279

Impact:
Important
Public Date:
2015-09-15
CWE:
CWE-122
Bugzilla:
1256672: CVE-2015-5279 qemu: Heap overflow vulnerability in ne2000_receive() function
A heap buffer overflow flaw was found in the way QEMU's NE2000 NIC emulation implementation handled certain packets received over the network. A privileged user inside a guest could use this flaw to crash the QEMU instance (denial of service) or potentially execute arbitrary code on the host.

Find out more about CVE-2015-5279 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

This issue affects the versions of kvm and xen packages as shipped with Red Hat Enterprise Linux 5.

This issue affects the versions of the qemu-kvm packages as shipped with Red Hat Enterprise Linux 6.

This issue affects the Red Hat Enterprise Linux 6 based versions of qemu-kvm-rhev packages as shipped with Red Hat Enterprise Virtualization 3.

This issue does not affect the versions of the qemu-kvm packages as shipped with Red Hat Enterprise Linux 7.

This issue does not affect the Red Hat Enterprise Linux 7 based versions of the qemu-kvm-rhev packages as shipped with Red Hat Enterprise Virtualization 3.

CVSS v2 metrics

Base Score 6.5
Base Metrics AV:A/AC:H/Au:S/C:C/I:C/A:C
Access Vector Adjacent Network
Access Complexity High
Authentication Single
Confidentiality Impact Complete
Integrity Impact Complete
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 5 (xen) RHSA-2015:2065 2015-11-16
RHEV Agents (vdsm) (qemu-kvm-rhev) RHSA-2015:1923 2015-10-22
Red Hat Enterprise Linux Virtualization 5 (xen) RHSA-2015:2065 2015-11-16
Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 6 (qemu-kvm-rhev) RHSA-2015:1896 2015-10-15
Red Hat Enterprise Linux 6 (qemu-kvm) RHSA-2015:1924 2015-10-22
Red Hat Enterprise Linux Virtualization 5 (kvm) RHSA-2015:1925 2015-10-22

Affected Packages State

Platform Package State
Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7 qemu-kvm-rhev Not affected
Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7 qemu-kvm-rhev Not affected
Red Hat Enterprise Linux 7 qemu-kvm-rhev Not affected
Red Hat Enterprise Linux 7 qemu-kvm Not affected

Acknowledgements

Red Hat would like to thank Qinghao Tang of QIHU 360 Inc. for reporting this issue.

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