CVE-2020-27921: Race Condition
A race condition was addressed with improved state handling. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, macOS Big Sur 11.0.1. An application may be able to execute arbitrary code with kernel privileges.
Other sources
Kernel. A race condition was addressed with improved state handling.
Credit
Affected Software
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2020-27914
- CVE-2020-27915
- CVE-2020-27903
- CVE-2020-27910
- CVE-2020-27916
- CVE-2020-9943
- CVE-2020-9944
- CVE-2020-27906
- CVE-2020-27945
- CVE-2020-27908
- CVE-2020-27909
- CVE-2020-9960
- CVE-2020-10017
- CVE-2020-9949
- CVE-2020-9897
- CVE-2020-9883
- CVE-2020-10003
- CVE-2020-27922
- CVE-2020-9999
- CVE-2020-27937
- CVE-2020-9965
- CVE-2020-9966
- CVE-2020-27894
- CVE-2020-36615
- CVE-2021-1790
- CVE-2021-1775
- CVE-2020-29629
- CVE-2020-27942
- CVE-2020-9962
- CVE-2020-27952
- CVE-2020-9956
- CVE-2020-27931
- CVE-2020-27930
- CVE-2020-27927
- CVE-2020-29639
- CVE-2020-10002
- CVE-2020-9978
- CVE-2020-9955
- CVE-2020-27924
- CVE-2020-27912
- CVE-2020-27923
- CVE-2020-9876
- CVE-2020-10015
- CVE-2020-27897
- CVE-2020-27907
- CVE-2020-27919
- CVE-2020-9967
- CVE-2020-9975
- CVE-2020-27921
- CVE-2020-27904
- CVE-2019-14899
- CVE-2020-27950
- CVE-2020-9974
- CVE-2020-10016
- CVE-2020-27932
- CVE-2020-27917
- CVE-2020-27920
- CVE-2020-27911
- CVE-2020-9971
- CVE-2020-10014
- CVE-2020-10010
- CVE-2020-9941
- CVE-2020-9988
- CVE-2020-9989
- CVE-2020-10011
- CVE-2020-13524
- CVE-2020-10004
- CVE-2020-9996
- CVE-2020-27901
- CVE-2020-27900
- CVE-2019-20838
- CVE-2020-14155
- CVE-2020-10007
- CVE-2020-27896
- CVE-2020-9963
- CVE-2020-10012
- CVE-2020-10663
- CVE-2020-9945
- CVE-2020-9977
- CVE-2020-9942
- CVE-2020-9987
- CVE-2021-1803
- CVE-2020-9969
- CVE-2020-27893
- CVE-2021-1755
- CVE-2020-10005
- CVE-2020-9991
- CVE-2020-9849
- CVE-2020-15358
- CVE-2020-13631
- CVE-2020-13434
- CVE-2020-13435
- CVE-2020-13630
- CVE-2020-27899
- CVE-2020-10009
- CVE-2020-10008
- CVE-2020-27918
- CVE-2020-9947
- CVE-2020-9950
- CVE-2020-27898
- CVE-2020-27935
- CVE-2020-10006
- CVE-2020-27936
- CVE-2020-27941
- CVE-2020-29621
- CVE-2020-29610
- CVE-2020-27948
- CVE-2020-10001
- CVE-2020-27946
- CVE-2020-27943
- CVE-2020-27944
- CVE-2020-29624
- CVE-2020-29608
- CVE-2020-27947
- CVE-2020-29612
- CVE-2020-27939
- CVE-2020-29625
- CVE-2020-29615
- CVE-2020-29616
- CVE-2020-29618
- CVE-2020-29611
- CVE-2020-29617
- CVE-2020-29619
- CVE-2020-27949
- CVE-2020-29620
- CVE-2020-27926
- CVE-2020-29633
- CVE-2020-29614
- CVE-2020-13520
- CVE-2020-9972
- CVE-2020-27938
- CVE-2020-29623
- CVE-2020-15969
Frequently Asked Questions
What is CVE-2020-27921?
CVE-2020-27921 is a vulnerability in the Kernel that was addressed with improved state handling.
Which software versions are affected by CVE-2020-27921?
The affected software versions are macOS Big Sur 11.0.1 and 11.1, Apple Catalina, and Apple Mojave.
How can I fix CVE-2020-27921?
To fix CVE-2020-27921, update your macOS to the latest version available.
Where can I find more information about CVE-2020-27921?
You can find more information about CVE-2020-27921 on the official Apple support page: [https://support.apple.com/en-us/HT212011](https://support.apple.com/en-us/HT212011) and [https://support.apple.com/en-us/HT211931](https://support.apple.com/en-us/HT211931).
What is the Common Weakness Enumeration (CWE) for CVE-2020-27921?
The CWE for CVE-2020-27921 is 362.