CVE-2021-30922

Multiple out-of-bounds write issues were addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.6.1. A malicious application may be able to execute arbitrary code with kernel privileges.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.8 HIGH
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/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: 58%
VendorProductVersion
applemac_os_x
10.15 ≤
𝑥
< 10.15.7
applemac_os_x
10.15.7
applemac_os_x
10.15.7:security_update_2020
applemac_os_x
10.15.7:security_update_2020-001
applemac_os_x
10.15.7:security_update_2020-005
applemac_os_x
10.15.7:security_update_2020-007
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_2021-006
applemac_os_x
10.15.7:supplemental_update
applemacos
𝑥
< 11.6.1
applemacos
12.0.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://support.apple.com/en-us/HT212872
https://support.apple.com/kb/HT212869
https://support.apple.com/kb/HT212871
https://support.apple.com/en-us/HT212872
https://support.apple.com/kb/HT212869
https://support.apple.com/kb/HT212871