---
id: CVE-2025-54505
title: >-
  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.
summary: >-
  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.
severity: none
published: '2026-04-27'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T13:10:00.187'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-54505'
references:
  - url: >-
      https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-7053.html
    label: psirt@amd.com
  - url: 'http://xenbits.xen.org/xsa/advisory-488.html'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
  - exploit-available
epss: 0.00191
epssPercentile: 0.08094
exploits:
  github: 1
  githubRepos:
    - 'https://github.com/siltyy/cve-2025-54505-fix'
  checkedAt: '2026-10-14T13:31:34.732Z'
exploitAvailable: true
ingestedAt: '2026-10-14T13:30:58.483Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.