Unprivileged Kernel UAF in bigo_iommu.c Enables Priv Escalation
CVE-2025-36922 Published on December 11, 2025

In bigo_map of bigo_iommu.c, there is a possible information disclosure due to a use after free. This could lead to local escalation of privilege in the OS Kernel level with System execution privileges needed. User interaction is not needed for exploitation.

NVD

Vulnerability Analysis

CVE-2025-36922 is exploitable with local system access, and requires user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.

Attack Vector:
LOCAL
Attack Complexity:
LOW
Privileges Required:
HIGH
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

What is a Dangling pointer Vulnerability?

Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.

CVE-2025-36922 has been classified to as a Dangling pointer vulnerability or weakness.


Products Associated with CVE-2025-36922

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Google Android
 

Affected Versions

Google Android Version Android kernel is affected by CVE-2025-36922

Exploit Probability

EPSS
0.01%
Percentile
0.63%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.