漏洞类别：RedHat
漏洞等级： 
漏洞信息
OpenStack Networking (neutron) is a pluggable, scalable, and API-driven system that provisions networking services to virtual machines.
A race-condition flaw was discovered in openstack-neutron where, following a minor overcloud update, neutron security groups were disabled. Specifically, the following were reset to 0: net.bridge.bridge-nf-call-ip6tables and net.bridge.bridge-nf-call-iptables. The race was only triggered by an update, at which point an attacker could access exposed tenant VMs and network resources. (CVE-2017-7543)
Affected Products
Red Hat OpenStack 11 x86_64
漏洞危害
An attacker could access exposed tenant VMs and network resources.
解决方案
Upgrade to the latest packages which contain a patch. Refer to Applying Package Updates to RHEL system for details.
Refer to Red Hat security advisory RHSA-2017:2449 to address this issue and obtain more information.
Patch:
Following are links for downloading patches to fix the vulnerabilities:
0daybank
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