CVE-2024-27211
📋 TL;DR
This vulnerability allows local privilege escalation on affected Android Pixel devices through an out-of-bounds write in the ATI driver. Attackers can gain elevated system privileges without user interaction or additional permissions. Only Pixel devices running vulnerable Android versions are affected.
💻 Affected Systems
- Google Pixel devices
📦 What is this software?
Android by Google
⚠️ Risk & Real-World Impact
Worst Case
Complete device compromise with root/system-level access, allowing installation of persistent malware, data theft, and bypassing all security controls.
Likely Case
Local attacker gains elevated privileges to access sensitive data, install malicious apps, or modify system settings.
If Mitigated
Limited impact with proper patch management and device security policies in place.
🎯 Exploit Status
Requires local access but no user interaction. Technical details suggest reliable exploitation is feasible.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: March 2024 Android security patch level
Vendor Advisory: https://source.android.com/security/bulletin/pixel/2024-03-01
Restart Required: Yes
Instructions:
1. Check for system updates in Settings > System > System update. 2. Install March 2024 security patch. 3. Reboot device after installation.
🔧 Temporary Workarounds
Restrict physical access
allLimit physical access to devices and implement device security policies
🧯 If You Can't Patch
- Isolate vulnerable devices from sensitive networks and data
- Implement strict access controls and monitoring for device usage
🔍 How to Verify
Check if Vulnerable:
Check Settings > About phone > Android version > Android security update level. If before March 2024, device is vulnerable.Check Version:
adb shell getprop ro.build.version.security_patchVerify Fix Applied:
Verify Android security update level shows March 2024 or later in Settings > About phone.📡 Detection & Monitoring
Log Indicators:
- Unusual privilege escalation attempts
- ATI driver crash logs
- Unexpected system process creation
Network Indicators:
- Unusual outbound connections from system processes
SIEM Query:
Process creation where parent process is unusual or privilege level changes unexpectedly