CVE-2025-54505

Description

A transient execution vulnerability within AMD CPUs may allow a local user-privileged attacker to leak data via the floating point divisor unit, potentially resulting in loss of confidentiality.

CVSS Metrics

• v4.0•LOW•Score: 2CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
• v4.0•LOW•Score: 2CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Trends

Current EPSS score: 0.19%• Percentile: 9%

Techniques & Countermeasures

• CWE-1420•Exposure of Sensitive Information during Transient Execution

  A processor event or prediction may allow incorrect operations (or correct operations with incorrect data) to execute transiently, potentially exposing data over a covert channel.

References (2)

• https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-7053.html
• http://xenbits.xen.org/xsa/advisory-488.html