Description
A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.6.2, tvOS 15.2, macOS Monterey 12.1, Security Update 2021-008 Catalina, iOS 15.2 and iPadOS 15.2, watchOS 8.3. An application may be able to execute arbitrary code with kernel privileges.
References (6)
Core 6
Core References
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212975
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212976
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212978
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212979
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212981
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212980
Scores
CVSS v3
7.8
EPSS
0.0143
EPSS Percentile
69.7%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-416
Status
published
Products (7)
apple/ipados
< 15.2
apple/iphone_os
< 15.2
apple/mac_os_x
10.15.7 (10 CPE variants)
apple/mac_os_x
10.15 - 10.15.7
apple/macos
11.0 - 11.6.2
apple/tvos
< 15.2
apple/watchos
< 8.3
Published
Aug 24, 2021
Tracked Since
Feb 18, 2026