CVE-2025-48638
Apache Pkvm Out-of-Bounds Write Privilege Escalation
Description
In __pkvm_load_tracing of trace.c, there is a possible out-of-bounds write due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
INFO
Published Date :
Dec. 8, 2025, 5:16 p.m.
Last Modified :
Dec. 8, 2025, 8:15 p.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 3.1 | HIGH | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Validate all inputs to pkvm_load_tracing function.
- Ensure memory write bounds are checked.
- Apply software patches when available.
- Review related security advisories.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-48638.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-48638 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-48638
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-48638 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-48638 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Dec. 08, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-20 Added CWE CWE-787 -
Initial Analysis by [email protected]
Dec. 08, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-787 Added CPE Configuration OR *cpe:2.3:o:google:android:-:*:*:*:*:*:*:* Added Reference Type Android (associated with Google Inc. or Open Handset Alliance): https://android.googlesource.com/kernel/common/+/0429b7af308cf65c84109c08d06b01950dcd57fe Types: Product Added Reference Type Android (associated with Google Inc. or Open Handset Alliance): https://android.googlesource.com/kernel/common/+/96ebe96170d67df5072afa2ce84622f5a0ff552a Types: Product Added Reference Type Android (associated with Google Inc. or Open Handset Alliance): https://source.android.com/security/bulletin/2025-12-01 Types: Vendor Advisory -
New CVE Received by [email protected]
Dec. 08, 2025
Action Type Old Value New Value Added Description In __pkvm_load_tracing of trace.c, there is a possible out-of-bounds write due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Added Reference https://android.googlesource.com/kernel/common/+/0429b7af308cf65c84109c08d06b01950dcd57fe Added Reference https://android.googlesource.com/kernel/common/+/96ebe96170d67df5072afa2ce84622f5a0ff552a Added Reference https://source.android.com/security/bulletin/2025-12-01