Description
An out-of-bounds read issue existed that led to the disclosure of kernel memory. This was addressed with improved input 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 application may be able to disclose kernel memory.
References (4)
Core 4
Core References
Release Notes, Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212147
Release Notes, Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212146
Release Notes, Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212148
Release Notes, Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212149
Scores
CVSS v3
5.5
EPSS
0.0121
EPSS Percentile
64.9%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Details
CWE
CWE-125
Status
published
Products (8)
apple/ipados
< 14.4
apple/iphone_os
< 14.4
apple/mac_os_x
10.14.6 (14 CPE variants)
apple/mac_os_x
10.15.7 (2 CPE variants)
apple/mac_os_x
10.14 - 10.14.6
apple/macos
11.0 - 11.2
apple/tvos
< 14.4
apple/watchos
< 7.3
Published
Apr 02, 2021
Tracked Since
Feb 18, 2026