CVSS 3.1 Score 6.5 of 10 (medium)


Published Nov 14, 2023
Updated: Nov 28, 2023


CVE-2023-20592 is a vulnerability that affects certain AMD CPUs, specifically their INVD instruction. This vulnerability can be exploited by a malicious hypervisor to manipulate the CPU's cache line write-back behavior, potentially leading to the compromise of guest virtual machine (VM) memory integrity. The affected products include tlbVdm, r_dIt_, tlbVdn, tlbVdk, pu8xr7, and many others. The risk score for this vulnerability is 44, indicating a significant potential danger to organizations. To remediate this vulnerability, organizations should apply the necessary patches or updates provided by AMD or follow any other guidance issued by the vendor or relevant security authorities.

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