USN-7866-1: Intel Microcode vulnerabilities

Barak Gross discovered that some Intel® Xeon® processors with SGX enabled did not properly handle buffer restrictions. A local authenticated user could potentially use this issue to escalate their privileges. CVE-2025-20053 Avinash Maddy discovered that some Intel® processors did not properly...

Amazon Linux 2 : microcode_ctl, --advisory ALAS2-2025-2993 (ALAS-2025-2993)

The version of microcodectl installed on the remote host is prior to 2.1-47. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2025-2993 advisory. Improper buffer restrictions for some IntelR XeonR Processor firmware with SGX enabled may allow a privileged user to...

Amazon Linux 2023 : microcode_ctl (ALAS2023-2025-1190)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2025-1190 advisory. Improper buffer restrictions for some IntelR XeonR Processor firmware with SGX enabled may allow a privileged user to potentially enable escalation of privilege via local access. CVE-2025-2005...

UBUNTU-CVE-2025-20053

Improper buffer restrictions for some IntelR XeonR Processor firmware with SGX enabled 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 IntelR XeonR D Processors with IntelR SGX may allow a privileged user to potentially enable information disclosure via local access...