Vulnerabilities > CVE-2021-30937 - Out-of-bounds Write vulnerability in Apple products
Attack vector
LOCAL Attack complexity
LOW Privileges required
NONE Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
A memory corruption vulnerability was addressed with improved locking. 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. A malicious application may be able to execute arbitrary code with kernel privileges.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- http://packetstormsecurity.com/files/165475/XNU-inm_merge-Heap-Use-After-Free.html
- http://packetstormsecurity.com/files/165475/XNU-inm_merge-Heap-Use-After-Free.html
- https://support.apple.com/en-us/HT212975
- https://support.apple.com/en-us/HT212975
- https://support.apple.com/en-us/HT212976
- https://support.apple.com/en-us/HT212976
- https://support.apple.com/en-us/HT212978
- https://support.apple.com/en-us/HT212978
- https://support.apple.com/en-us/HT212979
- https://support.apple.com/en-us/HT212979
- https://support.apple.com/en-us/HT212980
- https://support.apple.com/en-us/HT212980
- https://support.apple.com/en-us/HT212981
- https://support.apple.com/en-us/HT212981