Scientific Linux Security Update : kvm on SL5.x x86_64 (20150625)

high Nessus Plugin ID 84538

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Synopsis

The remote Scientific Linux host is missing one or more security updates.

Description

A flaw was found in the way QEMU's AMD PCnet Ethernet emulation handled multi-TMD packets with a length above 4096 bytes. A privileged guest user in a guest with an AMD PCNet ethernet card enabled could potentially use this flaw to execute arbitrary code on the host with the privileges of the hosting QEMU process. (CVE-2015-3209)

KVM must be 'restarted' before this update will take effect.

Shutdown all KVM virtual machines.

Either reboot or unload and reload the following kernel modules : kvm, ksm, kvm-intel or kvm-amd.

Start the KVM virtual machines.

Solution

Update the affected packages.

Plugin Details

Severity: High

ID: 84538

File Name: sl_20150625_kvm_on_SL5_x.nasl

Version: 2.5

Type: local

Agent: unix

Family: Scientific Linux Local Security Checks

Published: 7/6/2015

Updated: 1/14/2021

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.5

CVSS v2

Risk Factor: High

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Vulnerability Information

CPE: p-cpe:/a:fermilab:scientific_linux:kmod-kvm-debug, p-cpe:/a:fermilab:scientific_linux:kmod-kvm, p-cpe:/a:fermilab:scientific_linux:kvm-qemu-img, x-cpe:/o:fermilab:scientific_linux, p-cpe:/a:fermilab:scientific_linux:kvm, p-cpe:/a:fermilab:scientific_linux:kvm-tools, p-cpe:/a:fermilab:scientific_linux:kvm-debuginfo

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

Patch Publication Date: 6/25/2015

Vulnerability Publication Date: 6/15/2015

Reference Information

CVE: CVE-2015-3209

Detections

Analytics