About the security content of tvOS 15.5
This document describes the security content of tvOS 15.5.
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 15.5
AppleAVD
Available for: Apple TV 4K, Apple TV 4K (2nd generation), 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-2022-26702: an anonymous researcher, Antonio Zekic (@antoniozekic), and John Aakerblom (@jaakerblom)
AppleAVD
Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple TV HD
Impact: An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited.
Description: An out-of-bounds write issue was addressed with improved bounds checking.
CVE-2022-22675: an anonymous researcher
AuthKit
Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple TV HD
Impact: A local user may be able to enable iCloud Photos without authentication
Description: An authentication issue was addressed with improved state management.
CVE-2022-26724: Jorge A. Caballero (@DataDrivenMD)
AVEVideoEncoder
Available for: Apple TV 4K, Apple TV 4K (2nd generation), 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-2022-26736: an anonymous researcher
CVE-2022-26737: an anonymous researcher
CVE-2022-26738: an anonymous researcher
CVE-2022-26739: an anonymous researcher
CVE-2022-26740: an anonymous researcher
DriverKit
Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple TV HD
Impact: A malicious application may be able to execute arbitrary code with system privileges
Description: An out-of-bounds access issue was addressed with improved bounds checking.
CVE-2022-26763: Linus Henze of Pinauten GmbH (pinauten.de)
ImageIO
Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple TV HD
Impact: A remote attacker may be able to cause unexpected application termination or arbitrary code execution
Description: An integer overflow was addressed with improved input validation.
CVE-2022-26711: actae0n of Blacksun Hackers Club working with Trend Micro Zero Day Initiative
IOKit
Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple TV HD
Impact: An application may be able to execute arbitrary code with kernel privileges
Description: A race condition was addressed with improved locking.
CVE-2022-26701: chenyuwang (@mzzzz__) of Tencent Security Xuanwu Lab
IOMobileFrameBuffer
Available for: Apple TV 4K, Apple TV 4K (2nd generation), 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 state management.
CVE-2022-26768: an anonymous researcher
IOSurfaceAccelerator
Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple TV HD
Impact: A malicious application may be able to execute arbitrary code with kernel privileges
Description: A memory corruption issue was addressed with improved state management.
CVE-2022-26771: an anonymous researcher
Kernel
Available for: Apple TV 4K, Apple TV 4K (2nd generation), 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-2022-26714: Peter Nguyễn Vũ Hoàng (@peternguyen14) of STAR Labs (@starlabs_sg)
Kernel
Available for: Apple TV 4K, Apple TV 4K (2nd generation), 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-2022-26757: Ned Williamson of Google Project Zero
Kernel
Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple TV HD
Impact: An attacker that has already achieved kernel code execution may be able to bypass kernel memory mitigations
Description: A memory corruption issue was addressed with improved validation.
CVE-2022-26764: Linus Henze of Pinauten GmbH (pinauten.de)
Kernel
Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple TV HD
Impact: A malicious attacker with arbitrary read and write capability may be able to bypass Pointer Authentication
Description: A race condition was addressed with improved state handling.
CVE-2022-26765: Linus Henze of Pinauten GmbH (pinauten.de)
LaunchServices
Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple TV HD
Impact: A sandboxed process may be able to circumvent sandbox restrictions
Description: An access issue was addressed with additional sandbox restrictions on third-party applications.
CVE-2022-26706: Arsenii Kostromin (0x3c3e), Jonathan Bar Or of Microsoft
libresolv
Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple TV HD
Impact: An attacker may be able to cause unexpected application termination or arbitrary code execution
Description: An integer overflow was addressed with improved input validation.
CVE-2022-26775: Max Shavrick (@_mxms) of the Google Security Team
libresolv
Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple TV HD
Impact: An attacker may be able to cause unexpected application termination or arbitrary code execution
Description: This issue was addressed with improved checks.
CVE-2022-26708: Max Shavrick (@_mxms) of the Google Security Team
libresolv
Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple TV HD
Impact: A remote user may be able to cause a denial-of-service
Description: This issue was addressed with improved checks.
CVE-2022-32790: Max Shavrick (@_mxms) of the Google Security Team
libresolv
Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple TV HD
Impact: An attacker may be able to cause unexpected application termination or arbitrary code execution
Description: This issue was addressed with improved checks.
CVE-2022-26776: Max Shavrick (@_mxms) of the Google Security Team, Zubair Ashraf of Crowdstrike
libxml2
Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple TV HD
Impact: A remote attacker may be able to cause unexpected application termination or arbitrary code execution
Description: A use after free issue was addressed with improved memory management.
CVE-2022-23308
Security
Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple TV HD
Impact: A malicious app may be able to bypass signature validation
Description: A certificate parsing issue was addressed with improved checks.
CVE-2022-26766: Linus Henze of Pinauten GmbH (pinauten.de)
WebKit
Available for: Apple TV 4K, Apple TV 4K (2nd generation), 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-2022-26700: ryuzaki
WebKit
Available for: Apple TV 4K, Apple TV 4K (2nd generation), 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-2022-26709: Chijin Zhou of ShuiMuYuLin Ltd and Tsinghua wingtecher lab
CVE-2022-26710: Chijin Zhou of ShuiMuYuLin Ltd and Tsinghua wingtecher lab
CVE-2022-26717: Jeonghoon Shin of Theori
WebKit
Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple TV HD
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: A memory corruption issue was addressed with improved state management.
CVE-2022-26716: SorryMybad (@S0rryMybad) of Kunlun Lab
CVE-2022-26719: Dongzhuo Zhao working with ADLab of Venustech
Wi-Fi
Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple TV HD
Impact: A malicious application may disclose restricted memory
Description: A memory corruption issue was addressed with improved validation.
CVE-2022-26745: Scarlet Raine
Additional recognition
AppleMobileFileIntegrity
We would like to acknowledge Wojciech Reguła (@_r3ggi) of SecuRing for their assistance.
WebKit
We would like to acknowledge James Lee and an anonymous researcher for their assistance.
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