CVE-2024-23265 – This is a memory corruption vulnerability in Ap... (How to Fix)

Q: What is the severity of CVE-2024-23265?

CVE-2024-23265 has a CVSS score of 7.8 (HIGH). This is a memory corruption vulnerability in Apple operating systems that allows malicious apps to cause system crashes or write to kernel memory. It affects multiple Apple platforms including macOS, iOS, iPadOS, watchOS, tvOS, and visionOS. The vulnerability stems from improper locking mechanisms that can be exploited to corrupt memory.

📋 TL;DR

This is a memory corruption vulnerability in Apple operating systems that allows malicious apps to cause system crashes or write to kernel memory. It affects multiple Apple platforms including macOS, iOS, iPadOS, watchOS, tvOS, and visionOS. The vulnerability stems from improper locking mechanisms that can be exploited to corrupt memory.

💻 Affected Systems

Products:

macOS
iOS
iPadOS
watchOS
tvOS
visionOS

Versions: Versions prior to macOS Monterey 12.7.4, macOS Ventura 13.6.5, macOS Sonoma 14.4, visionOS 1.1, iOS 17.4, iPadOS 17.4, watchOS 10.4, iOS 16.7.6, iPadOS 16.7.6, tvOS 17.4

Operating Systems: Apple operating systems

Default Config Vulnerable: ⚠️ Yes

Notes: All default configurations of affected Apple operating systems are vulnerable. Requires app execution privilege.

📦 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 →

Tvos by Apple

View all CVEs affecting Tvos →

Visionos by Apple

View all CVEs affecting Visionos →

Watchos by Apple

View all CVEs affecting Watchos →

⚠️ Risk & Real-World Impact

🔴

Worst Case

An attacker could achieve kernel-level code execution, potentially gaining full system control, installing persistent malware, or bypassing security mechanisms.

🟠

Likely Case

Malicious apps could cause system crashes (denial of service) or potentially read/write kernel memory to bypass security controls.

🟢

If Mitigated

With proper app sandboxing and security controls, impact is limited to denial of service within the affected app's context.

🌐 Internet-Facing: LOW - This requires local app execution, not directly exploitable over network.

🏢 Internal Only: MEDIUM - Requires malicious app installation, but could be exploited via social engineering or compromised internal apps.

🎯 Exploit Status

Public PoC: ✅ No

Weaponized: UNKNOWN

Unauthenticated Exploit: ✅ No

Complexity: MEDIUM

Exploitation requires app execution privileges. No public proof-of-concept available at disclosure time.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: macOS Monterey 12.7.4, macOS Ventura 13.6.5, macOS Sonoma 14.4, visionOS 1.1, iOS 17.4, iPadOS 17.4, watchOS 10.4, iOS 16.7.6, iPadOS 16.7.6, tvOS 17.4

Vendor Advisory: https://support.apple.com/en-us/HT214083

Restart Required: Yes

Instructions:

1. Open System Settings > General > Software Update. 2. Install available updates. 3. Restart device when prompted.

🔧 Temporary Workarounds

Restrict App Installation

all

Limit app installations to App Store only to prevent malicious apps from exploiting the vulnerability.

For macOS: System Settings > Privacy & Security > Allow apps downloaded from: App Store
For iOS/iPadOS: Settings > Screen Time > Content & Privacy Restrictions > iTunes & App Store Purchases > Installing Apps: Don't Allow

🧯 If You Can't Patch

Implement strict application allowlisting to prevent unauthorized app execution
Enable full disk encryption and monitor for unexpected system crashes or reboots

🔍 How to Verify

Check if Vulnerable:

Check current OS version against affected versions list. On macOS: About This Mac > macOS version. On iOS/iPadOS: Settings > General > About > Version.

Check Version:

macOS: sw_vers -productVersion, iOS/iPadOS: Settings > General > About > Version

Verify Fix Applied:

Verify OS version matches or exceeds patched versions listed in fix_official.patch_version

📡 Detection & Monitoring

Log Indicators:

Unexpected system crashes/reboots
Kernel panic logs
App crash reports with memory access violations

Network Indicators:

No direct network indicators - local exploitation only

SIEM Query:

source="apple_system_logs" AND ("kernel panic" OR "unexpected reboot" OR "memory corruption")

📊 Metadata

CVE ID: CVE-2024-23265

CVSS v3 Score: 7.8 (HIGH)

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

CWE: CWE-787

Published: March 8, 2024

Last Updated: November 4, 2025

🔗 References

http://seclists.org/fulldisclosure/2024/Mar/21 Mailing List
http://seclists.org/fulldisclosure/2024/Mar/22 Mailing List
http://seclists.org/fulldisclosure/2024/Mar/23 Mailing List
http://seclists.org/fulldisclosure/2024/Mar/24 Mailing List
http://seclists.org/fulldisclosure/2024/Mar/25 Mailing List
http://seclists.org/fulldisclosure/2024/Mar/26 Mailing List
https://support.apple.com/en-us/HT214081 Vendor Advisory
https://support.apple.com/en-us/HT214082 Vendor Advisory
https://support.apple.com/en-us/HT214083 Vendor Advisory
https://support.apple.com/en-us/HT214084 Vendor Advisory
https://support.apple.com/en-us/HT214085 Vendor Advisory
https://support.apple.com/en-us/HT214086 Vendor Advisory
https://support.apple.com/en-us/HT214087 Vendor Advisory
https://support.apple.com/en-us/HT214088 Vendor Advisory
http://seclists.org/fulldisclosure/2024/Mar/21 Mailing List
http://seclists.org/fulldisclosure/2024/Mar/22 Mailing List
http://seclists.org/fulldisclosure/2024/Mar/23 Mailing List
http://seclists.org/fulldisclosure/2024/Mar/24 Mailing List
http://seclists.org/fulldisclosure/2024/Mar/25 Mailing List
http://seclists.org/fulldisclosure/2024/Mar/26 Mailing List
https://support.apple.com/en-us/HT214081 Vendor Advisory
https://support.apple.com/en-us/HT214082 Vendor Advisory
https://support.apple.com/en-us/HT214083 Vendor Advisory
https://support.apple.com/en-us/HT214084 Vendor Advisory
https://support.apple.com/en-us/HT214085 Vendor Advisory
https://support.apple.com/en-us/HT214086 Vendor Advisory
https://support.apple.com/en-us/HT214087 Vendor Advisory
https://support.apple.com/en-us/HT214088 Vendor Advisory
https://support.apple.com/kb/HT214081
https://support.apple.com/kb/HT214082
https://support.apple.com/kb/HT214083
https://support.apple.com/kb/HT214084
https://support.apple.com/kb/HT214085
https://support.apple.com/kb/HT214087
https://support.apple.com/kb/HT214088

📤 Share & Export

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📋 TL;DR

💻 Affected Systems

📦 What is this software?

Ipados by Apple

Ipados by Apple

Iphone Os by Apple

Iphone Os by Apple

Macos by Apple

Macos by Apple

Macos by Apple

Tvos by Apple

Visionos by Apple

Watchos by Apple

⚠️ Risk & Real-World Impact

Worst Case

Likely Case

If Mitigated

🎯 Exploit Status

🛠️ Fix & Mitigation

✅ Official Fix

Instructions:

🔧 Temporary Workarounds

Restrict App Installation

🧯 If You Can't Patch

🔍 How to Verify

Check if Vulnerable:

Check Version:

Verify Fix Applied:

📡 Detection & Monitoring

Log Indicators:

Network Indicators:

SIEM Query:

📊 Metadata

🔗 References

📤 Share & Export

🔗 Related Vulnerabilities