Description
Improper enforcement of the LFENCE serialization property may allow an attacker to bypass speculation barriers and potentially disclose sensitive information, potentially resulting in loss of confidentiality.
Published: 2026-05-13
Score: 5.7 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Wed, 13 May 2026 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Wed, 13 May 2026 11:00:00 +0000

Type Values Removed Values Added
First Time appeared Amd
Amd epyc 4004 Series Processors
Amd epyc 8004 Series Processors
Amd epyc 9004 Series Processors
Amd epyc Embedded 8004 Series Processors
Amd epyc Embedded 9004 Series Processors
Amd instinct Mi300a Series Processors
Amd ryzen 7000 Series Desktop Processors
Amd ryzen 7040 Series Mobile Processors With Radeon Graphics
Amd ryzen 7045 Series Mobile Processors With Radeon Graphics
Amd ryzen 8000 Series Desktop Processors
Amd ryzen 9000 Series Desktop Processors
Amd ryzen Embedded 7000 Series Processors
Amd ryzen Embedded 8000 Series Processors
Amd ryzen Z1 Series Processors
Vendors & Products Amd
Amd epyc 4004 Series Processors
Amd epyc 8004 Series Processors
Amd epyc 9004 Series Processors
Amd epyc Embedded 8004 Series Processors
Amd epyc Embedded 9004 Series Processors
Amd instinct Mi300a Series Processors
Amd ryzen 7000 Series Desktop Processors
Amd ryzen 7040 Series Mobile Processors With Radeon Graphics
Amd ryzen 7045 Series Mobile Processors With Radeon Graphics
Amd ryzen 8000 Series Desktop Processors
Amd ryzen 9000 Series Desktop Processors
Amd ryzen Embedded 7000 Series Processors
Amd ryzen Embedded 8000 Series Processors
Amd ryzen Z1 Series Processors

Wed, 13 May 2026 05:15:00 +0000

Type Values Removed Values Added
Title Speculative Execution Bypass via Improper LFENCE Enforcement Leading to Potential Data Disclosure

Wed, 13 May 2026 03:30:00 +0000

Type Values Removed Values Added
Description Improper enforcement of the LFENCE serialization property may allow an attacker to bypass speculation barriers and potentially disclose sensitive information, potentially resulting in loss of confidentiality.
Weaknesses CWE-693
References
Metrics cvssV4_0

{'score': 5.7, 'vector': 'CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'}


Subscriptions

Amd Epyc 4004 Series Processors Epyc 8004 Series Processors Epyc 9004 Series Processors Epyc Embedded 8004 Series Processors Epyc Embedded 9004 Series Processors Instinct Mi300a Series Processors Ryzen 7000 Series Desktop Processors Ryzen 7040 Series Mobile Processors With Radeon Graphics Ryzen 7045 Series Mobile Processors With Radeon Graphics Ryzen 8000 Series Desktop Processors Ryzen 9000 Series Desktop Processors Ryzen Embedded 7000 Series Processors Ryzen Embedded 8000 Series Processors Ryzen Z1 Series Processors
cve-icon MITRE

Status: PUBLISHED

Assigner: AMD

Published:

Updated: 2026-05-13T14:36:26.409Z

Reserved: 2024-05-23T19:44:32.297Z

Link: CVE-2024-36315

cve-icon Vulnrichment

Updated: 2026-05-13T14:36:23.132Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-05-13T04:16:43.977

Modified: 2026-05-13T14:49:11.830

Link: CVE-2024-36315

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-13T10:34:56Z

Weaknesses