"Reptar CPU Vulnerability: Intel Patches High-Severity Flaw Impacting Multi-Tenant Virtualized Environments"

Intel has released fixes for a high-severity CPU vulnerability called Reptar, affecting desktop, mobile, and server CPUs. The flaw, tracked as CVE-2023-23583, could allow privilege escalation, information disclosure, and denial of service via local access. Exploiting the vulnerability in a multi-tenant virtualized environment could crash the host machine, causing a denial of service to other guest machines. Intel has published updated microcode for all affected processors, and there is no evidence of active attacks using this vulnerability.