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Intel SRBDS Vulnerabilities Now Patched in All Supported Ubuntu Releases

The security patch for the intel-microcode firmware addresses three hardware vulnerabilities that affect computers powered by Intel processors and running the Ubuntu 20.04 LTS, Ubuntu 19.10, Ubuntu 18.04 LTS, Ubuntu 16.04 LTS, or Ubuntu 14.04 ESM systems. These include a fix for the recently discovered SRBDS (Special Register Buffer Data Sampling) hardware vulnerability (CVE-2020-0543) also known as Crosstalk. This affects some Intel client and Xeon E3 processors, allowing a local attacker to expose sensitive information.