CVE-2025-48601
📋 TL;DR
This CVE describes an improper input validation vulnerability in Android that allows local attackers to cause permanent denial of service and potentially escalate privileges without user interaction. The vulnerability affects Android devices and can be exploited by malicious apps or local users. No additional execution privileges are needed for exploitation.
💻 Affected Systems
- Android
📦 What is this software?
Android by Google
Android by Google
Android by Google
Android by Google
⚠️ Risk & Real-World Impact
Worst Case
Permanent denial of service rendering device unusable, combined with local privilege escalation allowing attacker to gain elevated system access.
Likely Case
Malicious app causes device instability or crashes, potentially allowing data corruption or limited privilege escalation.
If Mitigated
With proper app sandboxing and security controls, impact limited to denial of service within app context.
🎯 Exploit Status
Exploitation requires local access or malicious app; no user interaction needed but local presence required.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Android Security Update December 2025
Vendor Advisory: https://source.android.com/security/bulletin/2025-12-01
Restart Required: Yes
Instructions:
1. Check for Android system updates in Settings > System > System update. 2. Install December 2025 security update. 3. Reboot device after installation.
🔧 Temporary Workarounds
Restrict app installations
androidOnly install apps from trusted sources like Google Play Store and disable unknown sources installation.
Settings > Security > Install unknown apps > Disable for all apps
App permission review
androidReview and restrict app permissions, especially for apps requesting unusual system access.
Settings > Apps > [App Name] > Permissions > Review and restrict
🧯 If You Can't Patch
- Isolate vulnerable devices from critical networks and data
- Implement strict app whitelisting and disable sideloading
🔍 How to Verify
Check if Vulnerable:
Check Android version and security patch level in Settings > About phone > Android versionCheck Version:
Settings > About phone > Android versionVerify Fix Applied:
Verify security patch level shows 'December 1, 2025' or later in Settings > About phone📡 Detection & Monitoring
Log Indicators:
- System crashes, kernel panics, abnormal process termination in logcat
Network Indicators:
- Unusual local process communication patterns
SIEM Query:
Search for multiple system service crashes or privilege escalation attempts in Android logs