more information:

Intel-SA-00247 – A potential security vulnerability in some microprocessors may allow partial information disclosure via local access

• Summary: Logic condition in specific microprocessors may allow an authenticated user to potentially enable partial physical address information disclosure via local access.
• Severity: LOW
• As stated in the Intel-SA-00247, for published exploits that Intel is aware of, Intel recommends users follow existing best practices including:
  The use of DRAM modules resistant to Rowhammer style attacks.
  Security Best Practices For Side Channel Resistance:
  https://software.intel.com/security-software-guidance/insights/security-best-practices-side-channel-resistance
  
  Guidelines For Mitigating Timing Side Channels Against Cryptographic Implementations: https://software.intel.com/security-software-guidance/insights/guidelines-mitigating-timing-side-channels-against-cryptographic-implementations.
  There are no required BIOS updates for this Security Advisory.