Ubuntu Security Update USN-7535-1: Intel Microcode vulnerabilities

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Sander Wiebing and Cristiano Giuffrida discovered that some Intel® Processors did not properly handle data in Shared Microarchitectural Structures during Transient Execution. An authenticated attacker could possibly use this issue to obtain sensitive information. (CVE-2024-28956) It was discovered that some Intel® Processors did not properly handle prediction calculations. An authenticated attacker could possibly use this issue to obtain sensitive information. (CVE-2024-43420, CVE-2024-45332, CVE-2025-20623) It was discovered that some Intel® Processors did not properly initialize resources in the branch prediction unit. An authenticated attacker could possibly use this issue to obtain sensitive information. (CVE-2025-20012, CVE-2025-24495) Michal Raviv and Jeff Gilbert discovered that some Intel® Processors did not properly handle resources and exceptions in the core management mechanism. An authenticated attacker could possibly use this issue to cause a denial of service. (CVE-2025-20054, CVE-2025-20103)

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