CVE-2025-48564
📋 TL;DR
This CVE describes an Android intent filter bypass vulnerability caused by a race condition in multiple framework components. It allows local privilege escalation without requiring user interaction or additional execution privileges. All Android devices running vulnerable versions are affected.
💻 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
An attacker with local access could gain elevated privileges, potentially compromising the entire device, accessing sensitive data, or installing persistent malware.
Likely Case
Malicious apps could bypass security restrictions to access protected components or data they shouldn't have permission to access.
If Mitigated
With proper app sandboxing and security controls, impact would be limited to the compromised app's context.
🎯 Exploit Status
Exploitation requires race condition timing, making it moderately complex but feasible for skilled attackers
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Android Security Bulletin December 2025 patches
Vendor Advisory: https://source.android.com/security/bulletin/2025-12-01
Restart Required: Yes
Instructions:
1. Apply Android Security Bulletin December 2025 patches
2. Update affected Android devices to patched versions
3. Reboot devices after patch installation
🔧 Temporary Workarounds
Restrict app installations
androidOnly allow installation of apps from trusted sources like Google Play Store
Disable unknown sources
androidPrevent installation of apps from unknown sources in device settings
🧯 If You Can't Patch
- Isolate affected devices from critical networks and data
- Implement strict app whitelisting policies and monitor for suspicious app behavior
🔍 How to Verify
Check if Vulnerable:
Check Android security patch level - if before December 2025, device is likely vulnerableCheck Version:
adb shell getprop ro.build.version.security_patchVerify Fix Applied:
Verify Android security patch level shows December 2025 or later in Settings > About phone > Android version📡 Detection & Monitoring
Log Indicators:
- Unusual intent filter activity, privilege escalation attempts in system logs
Network Indicators:
- Not applicable - local vulnerability
SIEM Query:
Look for Android system logs showing unexpected intent resolution or permission escalation events🔗 References
- https://android.googlesource.com/platform/frameworks/base/+/0f3e248787d88154c8592f6e055b6b3586f4877d
- https://android.googlesource.com/platform/frameworks/base/+/28579dff4305f764302d85f95509671eafbf62ac
- https://android.googlesource.com/platform/packages/modules/IntentResolver/+/4e6cf5285d0b1725fb9141e810050cfdb3fb42fd
- https://source.android.com/security/bulletin/2025-12-01
