A logic issue was addressed with improved validation. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. A malicious attacker with arbitrary read and write capability may be able to bypass Pointer Authentication.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Ipados | Apple | * | 14.4 (excluding) |
| Iphone_os | Apple | * | 14.4 (excluding) |
| Mac_os_x | Apple | 10.14 (including) | 10.14.6 (excluding) |
| Mac_os_x | Apple | 10.15 (including) | 10.15.7 (excluding) |
| Mac_os_x | Apple | 10.14.6 (including) | 10.14.6 (including) |
| Mac_os_x | Apple | 10.14.6-security_update_2019-004 (including) | 10.14.6-security_update_2019-004 (including) |
| Mac_os_x | Apple | 10.14.6-security_update_2019-005 (including) | 10.14.6-security_update_2019-005 (including) |
| Mac_os_x | Apple | 10.14.6-security_update_2019-006 (including) | 10.14.6-security_update_2019-006 (including) |
| Mac_os_x | Apple | 10.14.6-security_update_2019-007 (including) | 10.14.6-security_update_2019-007 (including) |
| Mac_os_x | Apple | 10.14.6-security_update_2020-001 (including) | 10.14.6-security_update_2020-001 (including) |
| Mac_os_x | Apple | 10.14.6-security_update_2020-002 (including) | 10.14.6-security_update_2020-002 (including) |
| Mac_os_x | Apple | 10.14.6-security_update_2020-003 (including) | 10.14.6-security_update_2020-003 (including) |
| Mac_os_x | Apple | 10.14.6-security_update_2020-004 (including) | 10.14.6-security_update_2020-004 (including) |
| Mac_os_x | Apple | 10.14.6-security_update_2020-005 (including) | 10.14.6-security_update_2020-005 (including) |
| Mac_os_x | Apple | 10.14.6-security_update_2020-006 (including) | 10.14.6-security_update_2020-006 (including) |
| Mac_os_x | Apple | 10.14.6-security_update_2020-007 (including) | 10.14.6-security_update_2020-007 (including) |
| Mac_os_x | Apple | 10.14.6-supplemental_update (including) | 10.14.6-supplemental_update (including) |
| Mac_os_x | Apple | 10.14.6-supplemental_update_2 (including) | 10.14.6-supplemental_update_2 (including) |
| Mac_os_x | Apple | 10.15.7 (including) | 10.15.7 (including) |
| Mac_os_x | Apple | 10.15.7-supplemental_update (including) | 10.15.7-supplemental_update (including) |
| Macos | Apple | 11.0 (including) | 11.2 (excluding) |
| Tvos | Apple | * | 14.4 (excluding) |
| Watchos | Apple | * | 7.3 (excluding) |