CVE-2026-0427

Improper cleanup of GPU shared register resources enabling cross‑VM data leakage

Published May 15, 2026 CVSS 4.0 · 4.6 Medium EPSS < 1% KEV · Not listed
Description
Improper cleanup of shared register resources in GPU firmware could allow an admin-privileged attacker from a Guest Virtual machine (VM) to access these shared resources from another Guest VM, potentially resulting in the loss of confidentiality, integrity, or availability.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Amd
Amd instinct Mi210
Amd instinct Mi300x
Amd instinct Mi325x
Amd radeon Pro V710
Vendors & Products Amd
Amd instinct Mi210
Amd instinct Mi300x
Amd instinct Mi325x
Amd radeon Pro V710
Type Values Removed Values Added
Title Improper cleanup of GPU shared register resources enabling cross‑VM data leakage
Type Values Removed Values Added
Description Improper cleanup of shared register resources in GPU firmware could allow an admin-privileged attacker from a Guest Virtual machine (VM) to access these shared resources from another Guest VM, potentially resulting in the loss of confidentiality, integrity, or availability.
Weaknesses CWE-459
References
Metrics cvssV4_0

{'score': 4.6, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
AMD
Published
Updated
May 15, 2026, 11:33 AM
Reserved
Dec 6, 2025, 1:53 PM
Status
Awaiting Analysis
Published
May 15, 2026, 3:16 AM
Modified
Oct 26, 2026, 2:10 PM