Description
A type confusion issue was addressed with improved state handling. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 12.4.9, watchOS 6.2.9, Security Update 2020-006 High Sierra, Security Update 2020-006 Mojave, iOS 14.2 and iPadOS 14.2, watchOS 5.3.9, macOS Catalina 10.15.7 Supplemental Update, macOS Catalina 10.15.7 Update. A malicious application may be able to execute arbitrary code with kernel privileges.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Apple | watchOS | unspecified – < 7.1 | 7.1 |
| Apple | iOS and iPadOS | unspecified – < 14.2 | 14.2 |
| Apple | macOS | unspecified – < 11.0, unspecified – < 12.4, unspecified – < 6.2, unspecified – < 5.3, unspecified – < 2020, unspecified – < 10.15 | 11.0 |
References
- https://support.apple.com/en-us/HT211931
- https://support.apple.com/en-us/HT211928
- https://support.apple.com/en-us/HT211929
- https://support.apple.com/en-us/HT211940
- https://support.apple.com/en-us/HT211944
- https://support.apple.com/en-us/HT211945
- https://support.apple.com/en-us/HT211946
- https://support.apple.com/en-us/HT211947
- 20201215 APPLE-SA-2020-12-14-4 Additional information for APPLE-SA-2020-11-13-1 macOS Big Sur 11.0.1 mailing-list
- http://packetstormsecurity.com/files/161295/XNU-Kernel-Turnstiles-Type-Confusion.html