CVE-2021-30886: Use After Free

Reference Links

• https://support.apple.com/en-us/HT212867 (Advisory)
• https://support.apple.com/en-us/HT212869 (Advisory)
• https://support.apple.com/en-us/HT212874 (Advisory)
• https://support.apple.com/en-us/HT212876 (Advisory)

Parent vulnerabilities

(Appears in the following advisories)

• HT212869
• HT212874
• HT212876
• HT212867

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-2021-31007
• CVE-2021-30894
• CVE-2021-30900
• CVE-2021-30914
• CVE-2021-30875
• CVE-2021-30902

Frequently Asked Questions

• What is CVE-2021-30886?

  CVE-2021-30886 is a vulnerability in the Kernel that involves a use after free issue and has been addressed with improved memory management.

• Which software versions are affected by CVE-2021-30886?

  Apple macOS Monterey 12.0.1, Apple iOS up to version 15.1, Apple iPadOS up to version 15.1, Apple watchOS up to version 8.1, and Apple tvOS up to version 15.1 are affected by CVE-2021-30886.

• How can I fix CVE-2021-30886?

  To fix CVE-2021-30886, ensure that you are using the following software versions or later: Apple macOS Monterey 12.0.1, Apple iOS 15.1, Apple iPadOS 15.1, Apple watchOS 8.1, and Apple tvOS 15.1.

• What is the severity of CVE-2021-30886?

  The severity of CVE-2021-30886 is not mentioned.

• Where can I find more information about CVE-2021-30886?

  More information about CVE-2021-30886 can be found on the Apple support page. Please refer to the following links: [link 1](https://support.apple.com/en-us/HT212867), [link 2](https://support.apple.com/en-us/HT212874), [link 3](https://support.apple.com/en-us/HT212876).