Zuozhi Fan

Name of the Vulnerable Software and Affected Versions: iOS versions prior to 14.5 iPadOS versions prior to 14.5 Description: The issue is related to an out-of-bounds read that has been addressed with improved input validation. A local user may be able to read kernel memory. Recommendations: For iOS versions prior to 14.5, update to iOS 14.5 or later. For iPadOS versions prior to 14.5, update to iPadOS 14.5 or later.

**Name of the Vulnerable Software and Affected Versions** macOS versions prior to 12.0.1 macOS Big Sur versions prior to 11.6.1 Security Update versions prior to 2021-007 Catalina **Description** The issue involves multiple out-of-bounds write problems that have been resolved through enhanced bounds checking. A malicious application could potentially execute arbitrary code with kernel privileges. **Recommendations** For macOS versions prior to 12.0.1, update to macOS Monterey 12.0.1. For macOS Big Sur versions prior to 11.6.1, update to macOS Big Sur 11.6.1. For Security Update versions prior to 2021-007 Catalina, apply Security Update 2021-007 Catalina.

**Name of the Vulnerable Software and Affected Versions** iOS versions prior to 15.1 iPadOS versions prior to 15.1 **Description** A memory corruption issue was addressed with improved input validation, allowing an application to potentially execute arbitrary code with kernel privileges. **Recommendations** For iOS versions prior to 15.1, update to iOS 15.1 or later to resolve the issue. For iPadOS versions prior to 15.1, update to iPadOS 15.1 or later to resolve the issue.

**Name of the Vulnerable Software and Affected Versions** macOS versions prior to 11.5 Security Update versions prior to 2021-004 Catalina Security Update versions prior to 2021-005 Mojave **Description** A logic issue was addressed with improved state management, which may allow an application to execute arbitrary code with kernel privileges. **Recommendations** For macOS versions prior to 11.5, update to macOS Big Sur 11.5. For Security Update versions prior to 2021-004 Catalina, apply Security Update 2021-004 Catalina. For Security Update versions prior to 2021-005 Mojave, apply Security Update 2021-005 Mojave.

**Name of the Vulnerable Software and Affected Versions** macOS versions prior to Big Sur 11.4 Security Update versions prior to 2021-003 Catalina Security Update versions prior to 2021-004 Mojave **Description** A local attacker may be able to elevate their privileges due to a memory corruption issue. This issue was addressed with improved validation. **Recommendations** For macOS versions prior to Big Sur 11.4, update to macOS Big Sur 11.4 or later. For Security Update versions prior to 2021-003 Catalina, apply Security Update 2021-003 Catalina or later. For Security Update versions prior to 2021-004 Mojave, apply Security Update 2021-004 Mojave or later.

Name of the Vulnerable Software and Affected Versions: iOS versions prior to 14.5 iPadOS versions prior to 14.5 macOS Big Sur versions prior to 11.3 Description: The issue involves an out-of-bounds read that has been addressed through improved input validation. A malicious application may be able to execute arbitrary code with kernel privileges. Recommendations: For iOS versions prior to 14.5, update to iOS 14.5 or later. For iPadOS versions prior to 14.5, update to iPadOS 14.5 or later. For macOS Big Sur versions prior to 11.3, update to macOS Big Sur 11.3 or later.

Name of the Vulnerable Software and Affected Versions: macOS versions prior to Big Sur 11.3 Security Update versions prior to 2021-002 Catalina Security Update versions prior to 2021-003 Mojave Description: A memory corruption issue was addressed with improved validation, which may allow an application to cause unexpected system termination or write kernel memory. Recommendations: For macOS versions prior to Big Sur 11.3, update to macOS Big Sur 11.3 or later. For Security Update versions prior to 2021-002 Catalina, apply Security Update 2021-002 Catalina or later. For Security Update versions prior to 2021-003 Mojave, apply Security Update 2021-003 Mojave or later.

Name of the Vulnerable Software and Affected Versions: macOS Big Sur versions prior to 11.3 macOS Catalina versions prior to Security Update 2021-002 macOS Mojave versions prior to Security Update 2021-003 Description: A memory corruption issue was addressed with improved validation, which could allow a local attacker to elevate their privileges. Recommendations: For macOS Big Sur versions prior to 11.3, update to macOS Big Sur 11.3. For macOS Catalina versions prior to Security Update 2021-002, apply Security Update 2021-002. For macOS Mojave versions prior to Security Update 2021-003, apply Security Update 2021-003.

Name of the Vulnerable Software and Affected Versions: macOS versions prior to 11.3 iOS versions prior to 14.5 iPadOS versions prior to 14.5 watchOS versions prior to 7.4 tvOS versions prior to 14.5 Description: A logic issue was addressed with improved state management, allowing an application to potentially execute arbitrary code with kernel privileges. Recommendations: For macOS versions prior to 11.3, apply Security Update 2021-002 for Catalina or update to macOS Big Sur 11.3. For iOS versions prior to 14.5, update to iOS 14.5. For iPadOS versions prior to 14.5, update to iPadOS 14.5. For watchOS versions prior to 7.4, update to watchOS 7.4. For tvOS versions prior to 14.5, update to tvOS 14.5. For macOS Mojave, apply Security Update 2021-003.

**Name of the Vulnerable Software and Affected Versions** macOS versions prior to 11.0.1 **Description** A logic issue existed, resulting in memory corruption. This issue was addressed with improved state management. An application may be able to execute arbitrary code with kernel privileges. **Recommendations** For macOS versions prior to 11.0.1, update to macOS Big Sur 11.0.1 to resolve the issue. As a temporary workaround, consider restricting kernel privileges to minimize the risk of exploitation.

**Name of the Vulnerable Software and Affected Versions** macOS versions prior to 11.0.1 **Description** Multiple integer overflows were addressed with improved input validation. A remote attacker may be able to cause unexpected application termination or heap corruption. **Recommendations** For versions prior to 11.0.1, update to macOS Big Sur 11.0.1 to resolve the issue. As a temporary workaround, consider restricting access to potentially vulnerable services until the update is applied.