Errata overview
Errata ID 623
Date 2019-12-18
Source package intel-microcode
Fixed in version 3.20191115.2~deb9u1
This update addresses the following issues:
* This update ships updated CPU microcode for some types of Intel CPUs. In
  particular it provides mitigations for the TAA (TSX Asynchronous Abort)
  vulnerability. For affected CPUs, to fully mitigate the vulnerability it is
  also necessary to update the Linux kernel. (CVE-2019-11135, CVE-2019-11139)
Additional notes
CVE ID CVE-2019-11135
UCS Bug number #50657