CVE-2021-31004: Race Condition

Reference Links

• https://support.apple.com/en-us/HT212869 (Advisory)
• https://support.apple.com/en-us/HT212602 (Advisory)

Parent vulnerabilities

(Appears in the following advisories)

• HT212869
• HT212602

Peer vulnerabilities

(Found alongside the following vulnerabilities)

• CVE-2021-30873
• CVE-2021-30876
• CVE-2021-30879
• CVE-2021-30877
• CVE-2021-30880
• CVE-2021-30994
• CVE-2021-30907
• CVE-2021-30899
• CVE-2021-30931
• CVE-2021-30866
• CVE-2021-30917
• CVE-2021-30903
• CVE-2021-30905
• CVE-2021-30919
• CVE-2020-9846
• CVE-2021-30881
• CVE-2021-30923
• CVE-2021-30831
• CVE-2021-30840
• CVE-2021-30852
• CVE-2021-30895
• CVE-2021-30896
• CVE-2021-30933
• CVE-2021-30906
• CVE-2021-30867
• CVE-2021-30814
• CVE-2021-30922
• CVE-2021-30824
• CVE-2021-30901
• CVE-2021-30821
• CVE-2021-30883
• CVE-2021-30924
• CVE-2021-30886
• CVE-2021-30909
• CVE-2021-30916
• CVE-2021-30864
• CVE-2021-30813
• CVE-2021-31011
• CVE-2021-30904
• CVE-2021-30910
• CVE-2021-30911
• CVE-2021-30874
• CVE-2021-30808
• CVE-2021-30920
• CVE-2021-31004
• CVE-2021-31002
• CVE-2021-30868
• CVE-2021-30912
• CVE-2021-30913
• CVE-2021-30915
• CVE-2021-31005
• CVE-2021-31008
• CVE-2021-30897
• CVE-2021-30884
• CVE-2021-30818
• CVE-2021-30836
• CVE-2021-30846
• CVE-2021-30849
• CVE-2021-30848
• CVE-2021-30851
• CVE-2021-30809
• CVE-2021-30823
• CVE-2021-30887
• CVE-2021-30888
• CVE-2021-30889
• CVE-2021-30861
• CVE-2021-30890
• CVE-2021-30930
• CVE-2021-30908
• CVE-2021-30833
• CVE-2021-30892
• CVE-2021-30805
• CVE-2021-30871
• CVE-2021-30790
• CVE-2021-31006
• CVE-2021-30781
• CVE-2021-30748
• CVE-2021-30775
• CVE-2021-30776
• CVE-2021-30786
• CVE-2021-30772
• CVE-2021-30783
• CVE-2021-30777
• CVE-2021-30789
• CVE-2021-30774
• CVE-2021-30780
• CVE-2021-30768
• CVE-2021-30817
• CVE-2021-30804
• CVE-2021-30760
• CVE-2021-30788
• CVE-2021-30759
• CVE-2021-30803
• CVE-2021-30779
• CVE-2021-30785
• CVE-2021-30787
• CVE-2021-30766
• CVE-2021-30765
• CVE-2021-30784
• CVE-2021-30793
• CVE-2021-30778
• CVE-2021-30677
• CVE-2021-3518
• CVE-2021-30796
• CVE-2021-30792
• CVE-2021-30791
• CVE-2021-1821
• CVE-2021-30782
• CVE-2021-30798
• CVE-2021-30758
• CVE-2021-30795
• CVE-2021-30797
• CVE-2021-30799

Frequently Asked Questions

• What is CVE-2021-31004?

  CVE-2021-31004 is a vulnerability that involves a race condition which was addressed with improved locking.

• Which software versions are affected by CVE-2021-31004?

  CVE-2021-31004 affects macOS Big Sur up to version 11.5 and macOS Monterey up to version 12.0.1.

• How can I fix CVE-2021-31004?

  To fix CVE-2021-31004, update your macOS Big Sur to version 11.5 or update your macOS Monterey to version 12.0.1.

• What is the severity of CVE-2021-31004?

  The severity of CVE-2021-31004 is not specified in the provided information.

• Where can I find more information about CVE-2021-31004?

  You can find more information about CVE-2021-31004 on the Apple support pages: [https://support.apple.com/en-us/HT212602](https://support.apple.com/en-us/HT212602) and [https://support.apple.com/en-us/HT212869](https://support.apple.com/en-us/HT212869).