RHEL 5 : kvm (RHSA-2015:1925)

high Nessus Plugin ID 86559
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Synopsis

The remote Red Hat host is missing one or more security updates.

Description

Updated kvm packages that fix one security issue are now available for Red Hat Enterprise Linux 5.

Red Hat Product Security has rated this update as having Important security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section.

KVM (Kernel-based Virtual Machine) is a full virtualization solution for Linux on AMD64 and Intel 64 systems.

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. (CVE-2015-5279)

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

All kvm users are advised to upgrade to these updated packages, which contain a backported patch to correct this issue. Note: The procedure in the Solution section must be performed before this update will take effect.

Solution

Update the affected packages.

See Also

https://access.redhat.com/errata/RHSA-2015:1925

https://access.redhat.com/security/cve/cve-2015-5279

Plugin Details

Severity: High

ID: 86559

File Name: redhat-RHSA-2015-1925.nasl

Version: 2.8

Type: local

Agent: unix

Published: 10/23/2015

Updated: 10/24/2019

Dependencies: ssh_get_info.nasl

Risk Information

VPR

Risk Factor: Medium

Score: 6.8

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C

Temporal Vector: E:U/RL:OF/RC:C

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:kmod-kvm, p-cpe:/a:redhat:enterprise_linux:kmod-kvm-debug, p-cpe:/a:redhat:enterprise_linux:kvm, p-cpe:/a:redhat:enterprise_linux:kvm-debuginfo, p-cpe:/a:redhat:enterprise_linux:kvm-qemu-img, p-cpe:/a:redhat:enterprise_linux:kvm-tools, cpe:/o:redhat:enterprise_linux:5

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 10/22/2015

Reference Information

CVE: CVE-2015-5279

RHSA: 2015:1925