This update for ucode-intel fixes the following issues:
Updated to Intel CPU Microcode 20240312 release. (bsc#1221323)
CVE-2023-39368: Protection mechanism failure of bus lock regulator
for some Intel Processors may allow an unauthenticated user to
potentially enable denial of service via network access
CVE-2023-38575: Non-transparent sharing of return predictor targets
between contexts in some Intel Processors may allow an authorized
user to potentially enable information disclosure via local access.
CVE-2023-28746: Information exposure through microarchitectural
state after transient execution from some register files for some
Intel Atom Processors may allow an authenticated user to potentially
enable information disclosure via local access.
CVE-2023-22655 Protection mechanism failure in some 3rd and 4th
Generation Intel Xeon Processors when using Intel SGX or Intel TDX
may allow a privileged user to potentially enable escalation of
privilege via local access.
CVE-2023-43490: Incorrect calculation in microcode keying mechanism
for some Intel Xeon D Processors with Intel� SGX may allow a
privileged user to potentially enable information disclosure via
local access.