Debian Linux Security Advisory 4447-2 - DSA 4447-1 shipped updated CPU microcode for most types of Intel CPUs as mitigations for the MSBDS, MFBDS, MLPDS and MDSUM hardware vulnerabilities.
a5902e9935ec54ff69e6f1affec6dc016f6d0b7266bea6bb48e254b1709dfc50