CVE-2025-24157

5.6 MEDIUM

📋 TL;DR

This CVE describes a buffer overflow vulnerability in macOS kernel memory handling that could allow a malicious application to cause system crashes or corrupt kernel memory. It affects macOS Ventura, Sequoia, and Sonoma systems running older versions. The vulnerability requires local application execution to exploit.

💻 Affected Systems

Products:
  • macOS
Versions: macOS Ventura before 13.7.5, macOS Sequoia before 15.4, macOS Sonoma before 14.7.5
Operating Systems: macOS
Default Config Vulnerable: ⚠️ Yes
Notes: All standard macOS installations of affected versions are vulnerable; no special configuration required.

📦 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

Kernel memory corruption leading to system instability, denial of service, or potential privilege escalation if combined with other vulnerabilities.

🟠

Likely Case

Application-induced system crashes or freezes requiring reboot, potentially causing data loss or service disruption.

🟢

If Mitigated

Limited to denial of service from malicious applications; proper application vetting and sandboxing reduce impact.

🌐 Internet-Facing: LOW - Requires local application execution, not directly exploitable over network.
🏢 Internal Only: MEDIUM - Malicious or compromised applications on internal systems could trigger system instability.

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

Requires local application execution; buffer overflow exploitation typically requires specific memory manipulation knowledge.

🛠️ 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

macOS

Restrict installation and execution of untrusted applications using macOS security controls.

sudo spctl --master-enable
sudo spctl --enable --label "Developer ID"

🧯 If You Can't Patch

  • Implement strict application allowlisting to prevent untrusted applications from executing
  • Enable full disk encryption and regular backups to mitigate potential data loss from system crashes

🔍 How to Verify

Check if Vulnerable:

Check macOS version in System Settings > General > About, or run 'sw_vers' in terminal.

Check Version:

sw_vers

Verify Fix Applied:

Verify macOS version is 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 memory access errors

Network Indicators:

  • None - local vulnerability only

SIEM Query:

source="macOS" AND (event="kernel_panic" OR event="system_crash")

🔗 References

📤 Share & Export