CVE-2023-20519 - Vulnerability Details - OpenCVE

Description

A Use-After-Free vulnerability in the management of an SNP guest context page may allow a malicious hypervisor to masquerade as the guest's migration agent resulting in a potential loss of guest integrity.

Published: 2023-11-14

Score: 3.3 Low

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

AMD

3rd Gen AMD EPYC™ Processors

unaffected

Version	Status	Constraints
`various`	affected	—

AMD

4th Gen AMD EPYC™ Processors

unaffected

Version	Status	Constraints
`various`	affected	—

Configuration 1 [-]

AND

cpe:2.3:o:amd:milanpi_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:amd:milanpi:-:*:*:*:*:*:*:*

Configuration 2 [-]

AND

cpe:2.3:o:amd:genoapi_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:amd:genoapi:-:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2023-24698	A Use-After-Free vulnerability in the management of an SNP guest context page may allow a malicious hypervisor to masquerade as the guest's migration agent resulting in a potential loss of guest integrity.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00059.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3002

History

No history.

Subscriptions

Amd Genoapi Genoapi Firmware Milanpi Milanpi Firmware

MITRE

Status: PUBLISHED

Assigner: AMD

Published: 2023-11-14T18:53:36.329Z

Updated: 2024-08-30T18:03:55.829Z

Reserved: 2022-10-27T18:53:39.736Z

Link: CVE-2023-20519

Vulnrichment

Updated: 2024-08-02T09:05:36.886Z

NVD

Status : Modified

Published: 2023-11-14T19:15:15.533

Modified: 2024-11-21T07:41:04.023

Link: CVE-2023-20519

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-416

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