High severity7.8NVD Advisory· Published Aug 24, 2021· Updated Jun 17, 2026
CVE-2021-30937
CVE-2021-30937
Description
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.
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Affected products
26cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*range: <15.2
- (no CPE)range: before 15.2
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*+ 9 more
- cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*range: >=10.15,<=10.15.7
- cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-005:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-007:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-001:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-002:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-003:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-006:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-007:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*range: >=11.0,<11.6.2
- (no CPE)range: unspecified
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*range: <15.2
- (no CPE)range: before 15.2
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*range: <8.3
- (no CPE)range: before 8.3
- (no CPE)range: unspecified
- Range: before Security Update 2021-008
- Range: before 11.6.2
- Range: before 12.1
- Range: before 15.2
- Range: unspecified
Patches
Vulnerability mechanics
References
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