Overview At the beginning of 2018 a number of vulnerabilities were discovered which allow malicious user space processes to read kernel memory and malicious code in VM guests to read hypervisor memory. These vulnerabilities affect most CPU manufacturers – Intel, AMD, ARM, MIPS, etc. The vulnerabilities were nicknamed “Spectre” and “Meltdown” and are outlined in […]
A number of security flaws were recently found in the DNSMasq tool. This tool is used by many systems to provide DNS and DHCP services, including by the CloudStack System VMs.
This advisory explains their affect on CloudStack and how to patch CloudStack against these flaws.
Background Cloudstack relies on a fixed download site when it fetches the built-in guest VM templates. That download site has historically been download.cloud.com and is being replaced by download.cloudstack.org. Download.cloudstack.org is now fully functional. The retirement date of download.cloud.com is unknown but expected to be imminent The issue & behaviour After the retirement of download.cloud.com, […]