Zombies are real

​Microarchitectural Data Sampling (MDS).​
​https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00233.html​

​CVE-2018-12126 Microarchitectural Store Buffer Data Sampling Medium 6.5​
​CVE-2018-12130 Microarchitectural Fill Buffer Data Sampling Medium 6.5​
​CVE-2018-12127 Microarchitectural Load Port Data Sampling Medium 6.5​
​CVE-2019-11091 Microarchitectural Data Sampling Uncacheable Memory Low 3.8​

​Aliases​
​•Zombieload​
​•RIDL​
​•Fallout​

​ ​

​There are many that will never be patched​

​https://www.intel.com/content/dam/www/public/us/en/documents/corporate-information/SA00233-microcode-update-guidance_05132019.pdf​