AMD patches microcode security holes after accidental early disclosure
Briefly

AMD successfully handled a recent vulnerability by quickly working with its community to provide timely patches. Analysts noted that while issues like these are unfortunate, the vendor's rapid response reflects its commitment to cybersecurity. Experts stressed the importance of updating the UEFI to prevent recurring problems, highlighting that modern computing’s reliance on firmware introduces complexities for future patches, which may necessitate complete system reboots. AMD's updates include microcode adjustments and SEV firmware updates, critical for maintaining security and preventing malicious attacks.
It's good to see AMD working with its community to solve for these vulnerabilities quickly. The amount of work that goes into providing a fix - and thoroughly testing it - is extensive.
This situation highlights how deeply firmware issues have become [embedded] in modern computing. It is going to make emergency patches more difficult in the future.
Read at Network World
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