The linux-firmware packages contain all of the firmware files that are required by various devices to operate.
Security Fix(es):
kernel: hw:amd:IOMMU improperly handles certain special address leading to a loss of guest integrity (CVE-2023-20584)
kernel: hw: amd:Incomplete system memory cleanup in SEV firmware corrupt guest private memory (CVE-2023-31356)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.