CVE-2021-30949
First published: Tue Aug 24 2021(Updated: )
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.
Credit: Ian Beer Google Project Zero cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Apple macOS Monterey | <12.1 | 12.1 |
| Apple macOS | <11.6.2 | 11.6.2 |
| tvOS | <15.2 | 15.2 |
| macOS Catalina | ||
| Apple iOS, iPadOS, and watchOS | <15.2 | 15.2 |
| Apple iOS, iPadOS, and watchOS | <15.2 | 15.2 |
| Apple iOS, iPadOS, and watchOS | <8.3 | 8.3 |
| Apple iOS, iPadOS, and watchOS | <15.2 | |
| iStyle @cosme iPhone OS | <15.2 | |
| Apple iOS and macOS | >=10.15<=10.15.7 | |
| Apple iOS and macOS | =10.15.7 | |
| Apple iOS and macOS | =10.15.7-security_update_2020-001 | |
| Apple iOS and macOS | =10.15.7-security_update_2021-001 | |
| Apple iOS and macOS | =10.15.7-security_update_2021-002 | |
| Apple iOS and macOS | =10.15.7-security_update_2021-003 | |
| Apple iOS and macOS | =10.15.7-security_update_2021-004 | |
| Apple iOS and macOS | =10.15.7-security_update_2021-005 | |
| Apple iOS and macOS | =10.15.7-security_update_2021-006 | |
| Apple iOS and macOS | =10.15.7-security_update_2021-007 | |
| Apple iOS and macOS | =10.15.7-supplemental_update | |
| Apple iOS and macOS | >=11.0<11.6.2 | |
| Apple iOS and macOS | >=12.0<12.1 | |
| Apple iOS, iPadOS, and watchOS | <8.3 |
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Reference Links
- https://support.apple.com/en-us/HT212975 (Advisory)
- https://support.apple.com/en-us/HT212976 (Advisory)
- https://support.apple.com/en-us/HT212978 (Advisory)
- https://support.apple.com/en-us/HT212979 (Advisory)
- https://support.apple.com/en-us/HT212980 (Advisory)
- https://support.apple.com/en-us/HT212981 (Advisory)
- http://packetstormsecurity.com/files/165670/XNU-Kernel-mach_msg-Use-After-Free.html
Parent vulnerabilities
(Appears in the following advisories)
Peer vulnerabilities
(Found alongside the following vulnerabilities)
- CVE-2021-30987
- CVE-2021-30950
- CVE-2021-30960
- CVE-2021-30986
- CVE-2021-30966
- CVE-2021-30926
- CVE-2021-30942
- CVE-2021-30957
- CVE-2021-30958
- CVE-2021-30935
- CVE-2021-30945
- CVE-2021-31007
- CVE-2021-31013
- CVE-2021-31000
- CVE-2021-30977
- CVE-2021-30939
- CVE-2021-30981
- CVE-2021-30996
- CVE-2021-30982
- CVE-2021-30937
- CVE-2021-30927
- CVE-2021-30980
- CVE-2021-30949
- CVE-2021-30993
- CVE-2021-30955
- CVE-2021-30976
- CVE-2021-30990
- CVE-2021-30943
- CVE-2021-31009
- CVE-2021-30971
- CVE-2021-30973
- CVE-2021-30929
- CVE-2021-30979
- CVE-2021-30940
- CVE-2021-30941
- CVE-2021-30995
- CVE-2021-30968
- CVE-2021-30946
- CVE-2021-30947
- CVE-2021-30975
- CVE-2021-30944
- CVE-2021-30972
- CVE-2021-30767
- CVE-2021-30964
- CVE-2021-30970
- CVE-2021-30965
- CVE-2021-30934
- CVE-2021-30936
- CVE-2021-30951
- CVE-2021-30952
- CVE-2021-30984
- CVE-2021-30953
- CVE-2021-30954
- CVE-2021-30938
- CVE-2021-30931
- CVE-2021-30962
- CVE-2021-30959
- CVE-2021-30961
- CVE-2021-30963
- CVE-2021-30895
- CVE-2021-30969
- CVE-2021-31002
- CVE-2021-30916
- CVE-2021-30956
- CVE-2021-30992
- CVE-2021-30983
- CVE-2021-30985
- CVE-2021-30991
- CVE-2021-30998
- CVE-2021-30997
- CVE-2021-30967
- CVE-2021-30988
- CVE-2021-30932
- CVE-2021-30948
Frequently Asked Questions
What is CVE-2021-30949?
CVE-2021-30949 is a memory corruption issue in the Kernel that has been addressed with improved state management.
Which software is affected by CVE-2021-30949?
CVE-2021-30949 affects Apple Catalina, macOS Monterey (up to version 12.1), macOS Big Sur (up to version 11.6.2), watchOS (up to version 8.3), iOS (up to version 15.2), iPadOS (up to version 15.2), and tvOS (up to version 15.2).
How can I fix CVE-2021-30949?
To fix CVE-2021-30949, you should update your software to the latest available version provided by Apple.
Where can I find more information about CVE-2021-30949?
You can find more information about CVE-2021-30949 on the Apple Support website. Here are some references: [Link](https://support.apple.com/en-us/HT212980), [Link](https://support.apple.com/en-us/HT212978), [Link](https://support.apple.com/en-us/HT212975).
Is CVE-2021-30949 a critical vulnerability?
The severity of CVE-2021-30949 is not specified in the provided information.
- collector/apple-support
- agent/type
- agent/references
- agent/weakness
- agent/severity
- agent/description
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/first-publish-date
- agent/event
- agent/trending
- agent/software-canonical-lookup-request
- agent/source
- agent/author
- agent/tags
- agent/softwarecombine
- collector/nvd-index
- vendor/apple
- canonical/apple macos monterey
- canonical/apple macos
- canonical/tvos
- canonical/macos catalina
- canonical/apple ios, ipados, and watchos
- canonical/istyle @cosme iphone os
- canonical/apple ios and macos
- version/apple ios and macos/10.15
- version/apple ios and macos/10.15.7
- version/apple ios and macos/10.15.7-security_update_2020-001
- version/apple ios and macos/10.15.7-security_update_2021-001
- version/apple ios and macos/10.15.7-security_update_2021-002
- version/apple ios and macos/10.15.7-security_update_2021-003
- version/apple ios and macos/10.15.7-security_update_2021-004
- version/apple ios and macos/10.15.7-security_update_2021-005
- version/apple ios and macos/10.15.7-security_update_2021-006
- version/apple ios and macos/10.15.7-security_update_2021-007
- version/apple ios and macos/10.15.7-supplemental_update
- version/apple ios and macos/11.0
- version/apple ios and macos/12.0