Out of Bounds Write Vulnerability in Tachyon Server by Android
CVE-2025-36936

7.8HIGH

Key Information:

Vendor

Google
Status
Android
Vendor
CVE Published:
11 December 2025

What is CVE-2025-36936?

A potential out of bounds write vulnerability exists in the GetTachyonCommand function within tachyon_server_common.h. This flaw is caused by an integer overflow, which enables local escalation of privilege without requiring additional execution privileges. Notably, exploitation of this vulnerability does not necessitate user interaction, making it a crucial concern for administrators managing systems utilizing this server.

Affected Version(s)

Android Android kernel

References

https://source.android.com/security/bulletin/pixel/2025-1...

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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CVE-2025-36936 : Out of Bounds Write Vulnerability in Tachyon Server by Android