CVE-2025-24269 – This is a critical memory handling vulnerabilit... (How to Fix)

Q: What is the severity of CVE-2025-24269?

CVE-2025-24269 has a CVSS score of 9.8 (CRITICAL). This is a critical memory handling vulnerability in macOS that allows an application to cause a system crash (kernel panic). All macOS systems running vulnerable versions are affected, potentially allowing malicious apps to disrupt system availability.

📋 TL;DR

This is a critical memory handling vulnerability in macOS that allows an application to cause a system crash (kernel panic). All macOS systems running vulnerable versions are affected, potentially allowing malicious apps to disrupt system availability.

💻 Affected Systems

Products:

macOS

Versions: Versions prior to macOS Sequoia 15.4

Operating Systems: macOS

Default Config Vulnerable: ⚠️ Yes

Notes: All standard macOS installations are vulnerable until patched.

📦 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 →

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete system crash leading to denial of service, potential data loss from unsaved work, and system instability requiring reboot.

🟠

Likely Case

Malicious or buggy applications causing system crashes and service disruption.

🟢

If Mitigated

Limited impact with proper application sandboxing and security controls in place.

🌐 Internet-Facing: LOW

🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No

Weaponized: UNKNOWN

Unauthenticated Exploit: ✅ No

Complexity: MEDIUM

Requires malicious application execution; no known public exploits at this time.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: macOS Sequoia 15.4

Vendor Advisory: https://support.apple.com/en-us/122373

Restart Required: Yes

Instructions:

1. Open System Settings 2. Click General 3. Click Software Update 4. Install macOS Sequoia 15.4 update 5. Restart when prompted

🔧 Temporary Workarounds

Application Restriction

all

Restrict installation and execution of untrusted applications

🧯 If You Can't Patch

Implement strict application control policies to prevent untrusted app execution
Monitor for system crashes and investigate any unexpected termination events

🔍 How to Verify

Check if Vulnerable:

Check macOS version in System Settings > General > About

Check Version:

sw_vers

Verify Fix Applied:

Verify macOS version is 15.4 or later

📡 Detection & Monitoring

Log Indicators:

Kernel panic logs in /Library/Logs/DiagnosticReports
Unexpected system shutdown events

Network Indicators:

Sudden loss of connectivity from affected systems

SIEM Query:

source="macos" AND (event="kernel_panic" OR event="system_shutdown")

📊 Metadata

CVE ID: CVE-2025-24269

CVSS v3 Score: 9.8 (CRITICAL)

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE: CWE-400

EPSS Score: 0.45% exploit probability (63.2th percentile)

Published: March 31, 2025

Last Updated: November 7, 2025

🔗 References

https://support.apple.com/en-us/122373 Vendor Advisory
http://seclists.org/fulldisclosure/2025/Apr/8 Third Party Advisory

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🔗 Related Vulnerabilities

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