CVE-2021-30703: Double Free
A double free issue was addressed with improved memory management. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave, macOS Big Sur 11.4, watchOS 7.5. An application may be able to execute arbitrary code with kernel privileges.
Other sources
Kernel. A double free issue was addressed with improved memory management.
Kernel. An application may be able to execute arbitrary code with kernel privileges.
Credit
Affected Software
Event History
Parent advisories
This vulnerability appears in the following advisories.
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2021-30678
- CVE-2021-30676
- CVE-2021-30688
- CVE-2021-30669
- CVE-2021-30707
- CVE-2021-30685
- CVE-2021-30672
- CVE-2021-30681
- CVE-2021-30686
- CVE-2021-30733
- CVE-2021-30753
- CVE-2021-30727
- CVE-2021-30724
- CVE-2021-30673
- CVE-2021-30771
- CVE-2021-30755
- CVE-2021-30684
- CVE-2021-30735
- CVE-2021-30697
- CVE-2021-30710
- CVE-2021-30683
- CVE-2021-30687
- CVE-2021-30700
- CVE-2021-30701
- CVE-2021-30705
- CVE-2021-30706
- CVE-2021-30719
- CVE-2021-30728
- CVE-2021-30726
- CVE-2021-30731
- CVE-2021-30740
- CVE-2021-30704
- CVE-2021-30715
- CVE-2021-30736
- CVE-2021-30739
- CVE-2021-30703
- CVE-2021-30680
- CVE-2021-30677
- CVE-2021-30702
- CVE-2021-30696
- CVE-2021-30756
- CVE-2021-30723
- CVE-2021-30691
- CVE-2021-30692
- CVE-2021-30694
- CVE-2021-30725
- CVE-2021-30746
- CVE-2021-30693
- CVE-2021-30695
- CVE-2021-30708
- CVE-2021-30709
- CVE-2021-30679
- CVE-2020-36226
- CVE-2020-36227
- CVE-2020-36223
- CVE-2020-36224
- CVE-2020-36225
- CVE-2020-36221
- CVE-2020-36228
- CVE-2020-36222
- CVE-2020-36230
- CVE-2020-36229
- CVE-2021-30738
- CVE-2021-30751
- CVE-2021-30737
- CVE-2021-30716
- CVE-2021-30717
- CVE-2021-30721
- CVE-2021-30722
- CVE-2021-30712
- CVE-2021-30668
- CVE-2021-30718
- CVE-2021-30671
- CVE-2021-30713
- CVE-2021-30744
- CVE-2021-21779
- CVE-2021-30682
- CVE-2021-30689
- CVE-2021-30749
- CVE-2021-30734
- CVE-2021-30720
- CVE-2021-23841
- CVE-2021-30698
- CVE-2021-30665
- CVE-2021-30663
- CVE-2021-30805
- CVE-2021-30790
- CVE-2021-30811
- CVE-2021-30781
- CVE-2021-30775
- CVE-2021-30776
- CVE-2021-30772
- CVE-2021-30777
- CVE-2021-30789
- CVE-2021-30774
- CVE-2021-30780
- CVE-2021-30768
- CVE-2021-30760
- CVE-2021-30759
- CVE-2021-30788
- CVE-2021-30785
- CVE-2021-30787
- CVE-2021-30765
- CVE-2021-30766
- CVE-2021-30784
- CVE-2021-30793
- CVE-2021-30783
- CVE-2021-30791
- CVE-2021-30792
- CVE-2021-30796
- CVE-2021-30782
- CVE-2021-30799
- CVE-2021-30714
- CVE-2021-30729
- CVE-2021-30674
- CVE-2021-30741
- CVE-2021-1821
- CVE-2021-30699
- CVE-2021-30999
- CVE-2021-30667
Frequently Asked Questions
What is CVE-2021-30703?
CVE-2021-30703 is a vulnerability in the Kernel that allows an application to execute arbitrary code with kernel privileges.
Which software versions are affected by CVE-2021-30703?
CVE-2021-30703 affects Apple Mojave, Apple tvOS up to version 14.6, Apple watchOS up to version 7.5, Apple Catalina, Apple macOS Big Sur up to version 11.4, Apple iOS up to version 14.6, and Apple iPadOS up to version 14.6.
How can I fix CVE-2021-30703?
To fix CVE-2021-30703, it is recommended to update your affected software versions to the latest available versions provided by Apple.
Where can I find more information about CVE-2021-30703?
You can find more information about CVE-2021-30703 on the official Apple support page.