About the security content of tvOS 15.4
This document describes the security content of tvOS 15.4.
About Apple security updates
For our customers' protection, Apple doesn't disclose, discuss, or confirm security issues until an investigation has occurred and patches or releases are available. Recent releases are listed on the Apple security updates page.
Apple security documents reference vulnerabilities by CVE-ID when possible.
For more information about security, see the Apple Product Security page.
tvOS 15.4
Accelerate Framework
Available for: Apple TV 4K and Apple TV HD
Impact: Opening a maliciously crafted PDF file may lead to an unexpected application termination or arbitrary code execution
Description: A buffer overflow issue was addressed with improved memory handling.
CVE-2022-22633: ryuzaki
Accelerate Framework
Available for: Apple TV 4K and Apple TV HD
Impact: Opening a maliciously crafted PDF file may lead to an unexpected application termination or arbitrary code execution
Description: A memory corruption issue was addressed with improved state management.
CVE-2022-22633: ryuzaki
AppleAVD
Available for: Apple TV 4K and Apple TV HD
Impact: Processing a maliciously crafted image may lead to heap corruption
Description: A memory corruption issue was addressed with improved validation.
CVE-2022-22666: Marc Schoenefeld, Dr. rer. nat.
AVEVideoEncoder
Available for: Apple TV 4K and Apple TV HD
Impact: A malicious application may be able to execute arbitrary code with kernel privileges
Description: A buffer overflow was addressed with improved bounds checking.
CVE-2022-22634: an anonymous researcher
AVEVideoEncoder
Available for: Apple TV 4K and Apple TV HD
Impact: An application may be able to gain elevated privileges
Description: An out-of-bounds write issue was addressed with improved bounds checking.
CVE-2022-22635: an anonymous researcher
AVEVideoEncoder
Available for: Apple TV 4K and Apple TV HD
Impact: An application may be able to execute arbitrary code with kernel privileges
Description: An out-of-bounds write issue was addressed with improved bounds checking.
CVE-2022-22636: an anonymous researcher
ImageIO
Available for: Apple TV 4K and Apple TV HD
Impact: Processing a maliciously crafted image may lead to arbitrary code execution
Description: An out-of-bounds read was addressed with improved input validation.
CVE-2022-22611: Xingyu Jin of Google
ImageIO
Available for: Apple TV 4K and Apple TV HD
Impact: Processing a maliciously crafted image may lead to heap corruption
Description: A memory consumption issue was addressed with improved memory handling.
CVE-2022-22612: Xingyu Jin of Google
IOGPUFamily
Available for: Apple TV 4K and Apple TV HD
Impact: An application may be able to gain elevated privileges
Description: A use after free issue was addressed with improved memory management.
CVE-2022-22641: Mohamed Ghannam (@_simo36)
Kernel
Available for: Apple TV 4K and Apple TV HD
Impact: An application may be able to execute arbitrary code with kernel privileges
Description: An out-of-bounds write issue was addressed with improved bounds checking.
CVE-2022-22613: Alex, an anonymous researcher
Kernel
Available for: Apple TV 4K and Apple TV HD
Impact: An application may be able to execute arbitrary code with kernel privileges
Description: A use after free issue was addressed with improved memory management.
CVE-2022-22614: an anonymous researcher
CVE-2022-22615: an anonymous researcher
Kernel
Available for: Apple TV 4K and Apple TV HD
Impact: A malicious application may be able to elevate privileges
Description: A logic issue was addressed with improved state management.
CVE-2022-22632: Keegan Saunders
Kernel
Available for: Apple TV 4K and Apple TV HD
Impact: An attacker in a privileged position may be able to perform a denial of service attack
Description: A null pointer dereference was addressed with improved validation.
CVE-2022-22638: derrek (@derrekr6)
Kernel
Available for: Apple TV 4K and Apple TV HD
Impact: An application may be able to execute arbitrary code with kernel privileges
Description: A memory corruption issue was addressed with improved validation.
CVE-2022-22640: sqrtpwn
LLVM
Available for: Apple TV 4K and Apple TV HD
Impact: An application may be able to delete files for which it does not have permission
Description: A race condition was addressed with additional validation.
CVE-2022-21658: Florian Weimer (@fweimer)
MediaRemote
Available for: Apple TV 4K and Apple TV HD
Impact: A malicious application may be able to identify what other applications a user has installed
Description: An access issue was addressed with improved access restrictions.
CVE-2022-22670: Brandon Azad
Preferences
Available for: Apple TV 4K and Apple TV HD
Impact: A malicious application may be able to read other applications' settings
Description: The issue was addressed with additional permissions checks.
CVE-2022-22609: Mickey Jin (@patch1t), and Zhipeng Huo (@R3dF09) and Yuebin Sun (@yuebinsun2020) of Tencent Security Xuanwu Lab (xlab.tencent.com)
Sandbox
Available for: Apple TV 4K and Apple TV HD
Impact: A malicious application may be able to bypass certain Privacy preferences
Description: The issue was addressed with improved permissions logic.
CVE-2022-22600: Sudhakar Muthumani (@sudhakarmuthu04) of Primefort Private Limited, Khiem Tran
UIKit
Available for: Apple TV 4K and Apple TV HD
Impact: A person with physical access to an iOS device may be able to see sensitive information via keyboard suggestions
Description: This issue was addressed with improved checks.
CVE-2022-22621: Joey Hewitt
WebKit
Available for: Apple TV 4K and Apple TV HD
Impact: Processing maliciously crafted web content may disclose sensitive user information
Description: A cookie management issue was addressed with improved state management.
CVE-2022-22662: Prakash (@1lastBr3ath) of Threat Nix
WebKit
Available for: Apple TV 4K and Apple TV HD
Impact: Processing maliciously crafted web content may lead to code execution
Description: A memory corruption issue was addressed with improved state management.
CVE-2022-22610: Quan Yin of Bigo Technology Live Client Team
WebKit
Available for: Apple TV 4K and Apple TV HD
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: A use after free issue was addressed with improved memory management.
CVE-2022-22624: Kirin (@Pwnrin) of Tencent Security Xuanwu Lab
CVE-2022-22628: Kirin (@Pwnrin) of Tencent Security Xuanwu Lab
WebKit
Available for: Apple TV 4K and Apple TV HD
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: A buffer overflow issue was addressed with improved memory handling.
CVE-2022-22629: Jeonghoon Shin at Theori working with Trend Micro Zero Day Initiative
WebKit
Available for: Apple TV 4K and Apple TV HD
Impact: A malicious website may cause unexpected cross-origin behavior
Description: A logic issue was addressed with improved state management.
CVE-2022-22637: Tom McKee of Google
Additional recognition
Bluetooth
We would like to acknowledge an anonymous researcher for their assistance.
Siri
We would like to acknowledge an anonymous researcher for their assistance
syslog
We would like to acknowledge Yonghwi Jin (@jinmo123) of Theori for their assistance.
UIKit
We would like to acknowledge Tim Shadel of Day Logger, Inc. for their assistance.
WebKit
We would like to acknowledge Abdullah Md Shaleh for their assistance.
WebKit Storage
We would like to acknowledge Martin Bajanik of FingerprintJS for their assistance.
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