CVE-2023-21216 - Vulnerability Details - OpenCVE

In PMRChangeSparseMemOSMem of physmem_osmem_linux.c, there is a possible arbitrary code execution due to a use after free. This could lead to local escalation of privilege in the kernel with no additional execution privileges needed. User interaction is not needed for exploitation.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00141.

Exploitation none

Automatable yes

Technical Impact total

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

Vendor Product Default status Versions

Google

Android

unaffected

Version	Status	Constraints
`Android SoC`	affected	—

Configuration 1 [-]

cpe:2.3:o:google:android:-:*:*:*:*:*:*:*

No data.

No data.

Subscriptions

Vendors	Products
Google Subscribe	Android Subscribe

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2023-25384	In PMRChangeSparseMemOSMem of physmem_osmem_linux.c, there is a possible arbitrary code execution due to a use after free. This could lead to local escalation of privilege in the kernel with no additional execution privileges needed. User interaction is not needed for exploitation.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://source.android.com/security/bulletin/2023-12-01

History

Thu, 29 May 2025 14:15:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-276
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: google_android

Published: 2023-12-04T22:40:47.608Z

Updated: 2025-05-29T13:49:46.575Z

Reserved: 2022-11-03T22:37:50.647Z

Link: CVE-2023-21216

Vulnrichment

Updated: 2024-08-02T09:28:26.203Z

NVD

Status : Modified

Published: 2023-12-04T23:15:22.570

Modified: 2025-05-29T14:15:30.373

Link: CVE-2023-21216

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

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