CVE-2021-30857
High
Description
A race condition was addressed with improved locking. This issue is fixed in Security Update 2021-005 Catalina, iOS 14.8 and iPadOS 14.8, tvOS 15, iOS 15 and iPadOS 15, watchOS 8, macOS Big Sur 11.6. A malicious application may be able to execute arbitrary code with kernel privileges.
SeverityHigh
CVSS7.0
Exploit probability—
Product
Apple Ipados
PublishedAug 24, 2021
First seenAug 24, 2021
How to fix
Update
- apple ipados15.0 or later
- apple iphone_os15.0 or later
- apple mac_os_x10.15.7 or later
- apple macos11.6 or later
- apple tvos15.0 or later
- apple watchos8.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| apple ipados | v < 15.0 | 15.0 |
| apple iphone_os | v < 15.0 | 15.0 |
| apple mac_os_x | v < 10.15.7, 10.15.7 | 10.15.7 |
| apple macos | 11.0 ≤ v < 11.6 | 11.6 |
| apple tvos | v < 15.0 | 15.0 |
| apple watchos | v < 8.0 | 8.0 |
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