CVE-2021-30949

A memory corruption issue was addressed with improved state 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. A malicious application may be able to execute arbitrary code with kernel privileges.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.8 HIGH
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
appleCNA
---
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 67%
VendorProductVersion
appleipados
𝑥
< 15.2
appleiphone_os
𝑥
< 15.2
applemac_os_x
10.15 ≤
𝑥
≤ 10.15.7
applemac_os_x
10.15.7
applemac_os_x
10.15.7:security_update_2020-001
applemac_os_x
10.15.7:security_update_2021-001
applemac_os_x
10.15.7:security_update_2021-002
applemac_os_x
10.15.7:security_update_2021-003
applemac_os_x
10.15.7:security_update_2021-004
applemac_os_x
10.15.7:security_update_2021-005
applemac_os_x
10.15.7:security_update_2021-006
applemac_os_x
10.15.7:security_update_2021-007
applemac_os_x
10.15.7:supplemental_update
applemacos
11.0 ≤
𝑥
< 11.6.2
applemacos
12.0 ≤
𝑥
< 12.1
applewatchos
𝑥
< 8.3
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
http://packetstormsecurity.com/files/165670/XNU-Kernel-mach_msg-Use-After-Free.html
https://support.apple.com/en-us/HT212975
https://support.apple.com/en-us/HT212976
https://support.apple.com/en-us/HT212978
https://support.apple.com/en-us/HT212979
https://support.apple.com/en-us/HT212980
https://support.apple.com/en-us/HT212981
http://packetstormsecurity.com/files/165670/XNU-Kernel-mach_msg-Use-After-Free.html
https://support.apple.com/en-us/HT212975
https://support.apple.com/en-us/HT212976
https://support.apple.com/en-us/HT212978
https://support.apple.com/en-us/HT212979
https://support.apple.com/en-us/HT212980
https://support.apple.com/en-us/HT212981