CVE-2025-24273
📋 TL;DR
This CVE describes a critical out-of-bounds write vulnerability in macOS kernel memory that allows an application to cause system crashes or corrupt kernel memory. It affects macOS Ventura, Sequoia, and Sonoma versions before the patched releases. Any user running vulnerable macOS versions is potentially affected.
💻 Affected Systems
- macOS
📦 What is this software?
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 →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 →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 compromise leading to kernel-level code execution, persistent malware installation, and total system control by attacker.
Likely Case
Application-triggered system crashes (kernel panics) resulting in denial of service and potential data loss from unsaved work.
If Mitigated
Limited to denial of service if exploit attempts are detected and blocked by security controls.
🎯 Exploit Status
Requires local application execution. No public exploit code available at disclosure time.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: macOS Ventura 13.7.5, macOS Sequoia 15.4, macOS Sonoma 14.7.5
Vendor Advisory: https://support.apple.com/en-us/122373
Restart Required: Yes
Instructions:
1. Open System Settings > General > Software Update. 2. Install available updates. 3. Restart when prompted.
🔧 Temporary Workarounds
Application Restriction
macOSRestrict execution of untrusted applications using macOS Gatekeeper and application allowlisting
sudo spctl --master-enable
sudo spctl --enable --label "Developer ID"
🧯 If You Can't Patch
- Implement strict application control policies to prevent execution of untrusted software
- Isolate vulnerable systems from critical networks and monitor for abnormal system behavior
🔍 How to Verify
Check if Vulnerable:
Check macOS version in System Settings > General > About. Compare against vulnerable versions.Check Version:
sw_versVerify Fix Applied:
Verify macOS version shows Ventura 13.7.5+, Sequoia 15.4+, or Sonoma 14.7.5+📡 Detection & Monitoring
Log Indicators:
- Kernel panic logs in /Library/Logs/DiagnosticReports
- Unexpected application crashes with kernel memory errors
Network Indicators:
- None - local vulnerability only
SIEM Query:
source="macos" AND (event="kernel_panic" OR message="out of bounds" OR message="memory corruption")