CVE-2025-24177
📋 TL;DR
A null pointer dereference vulnerability in Apple operating systems allows remote attackers to cause denial-of-service conditions. This affects macOS, iOS, and iPadOS users running vulnerable versions. The issue was addressed through improved input validation in Apple's security updates.
💻 Affected Systems
- macOS
- iOS
- iPadOS
📦 What is this software?
Ipados by Apple
Macos by Apple
macOS is Apple's desktop and laptop operating system powering Mac computers used by millions of professionals, developers, creative professionals, and enterprise users worldwide. Built on a Unix foundation with the Darwin kernel and modern Cocoa frameworks, macOS delivers a seamless ecosystem integr...
Learn more about Macos →⚠️ Risk & Real-World Impact
Worst Case
Complete system crash or kernel panic requiring reboot, potentially disrupting critical services on affected devices.
Likely Case
Application or service crash causing temporary unavailability of affected functionality.
If Mitigated
Minimal impact with proper network segmentation and updated systems.
🎯 Exploit Status
Exploitation requires specific input conditions to trigger the null pointer dereference. No public exploit code available at this time.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: macOS Sequoia 15.3, iOS 18.3, iPadOS 18.3
Vendor Advisory: https://support.apple.com/en-us/122066
Restart Required: No
Instructions:
1. Open System Settings (macOS) or Settings (iOS/iPadOS). 2. Navigate to General > Software Update. 3. Install available updates for macOS Sequoia 15.3, iOS 18.3, or iPadOS 18.3. 4. Verify installation completes successfully.
🔧 Temporary Workarounds
Network Segmentation
allRestrict network access to affected systems to reduce attack surface
Application Control
macOSImplement application allowlisting to prevent unauthorized processes
🧯 If You Can't Patch
- Implement strict network access controls to limit exposure
- Monitor systems for abnormal crashes or denial-of-service events
🔍 How to Verify
Check if Vulnerable:
Check system version: macOS - About This Mac; iOS/iPadOS - Settings > General > AboutCheck Version:
macOS: sw_vers -productVersion; iOS/iPadOS: Settings > General > About > VersionVerify Fix Applied:
Confirm system version is macOS Sequoia 15.3 or later, iOS 18.3 or later, iPadOS 18.3 or later📡 Detection & Monitoring
Log Indicators:
- Kernel panic logs
- Application crash reports
- System watchdog timeouts
Network Indicators:
- Unusual network traffic patterns to Apple services
- Connection attempts to vulnerable ports
SIEM Query:
source="apple_system_logs" AND (event="kernel_panic" OR event="null_pointer")