CVE-2021-30983: Apple iOS and iPadOS Buffer Overflow Vulnerability
A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 15.2 and iPadOS 15.2. An application may be able to execute arbitrary code with kernel privileges.
Other sources
Apple iOS and iPadOS contain a buffer overflow vulnerability that could allow an application to execute code with kernel privileges.
— CISA
IOMobileFrameBuffer. A buffer overflow issue was addressed with improved memory handling.
Credit
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Apple iOS and iPadOSto a version that resolves this vulnerability.Fixed in 15.2 - Upgrade
Upgrade
Apple iOS, iPadOS, and macOSto a version that resolves this vulnerability.Fixed in 15.2 - Upgrade
Upgrade
Apple iOSto a version that resolves this vulnerability.Fixed in 15.2 - Upgrade
Upgrade
iPadOSto a version that resolves this vulnerability.Fixed in 15.2 - Upgrade
Upgrade
macOSto a version that resolves this vulnerability.Fixed in 15.2
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2021-30960
- CVE-2021-30966
- CVE-2021-30926
- CVE-2021-30942
- CVE-2021-30957
- CVE-2021-30958
- CVE-2021-30945
- CVE-2021-30956
- CVE-2021-30992
- CVE-2021-31013
- CVE-2021-31000
- CVE-2021-30939
- CVE-2021-30996
- CVE-2021-30983
- CVE-2021-30985
- CVE-2021-30991
- CVE-2021-30937
- CVE-2021-30927
- CVE-2021-30980
- CVE-2021-30949
- CVE-2021-30993
- CVE-2021-30955
- CVE-2021-30998
- CVE-2021-30997
- 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-2021-30967
- CVE-2021-30988
- CVE-2021-30932
- CVE-2021-30948
- CVE-2021-30995
- CVE-2021-30968
- CVE-2021-30946
- CVE-2021-30947
- CVE-2021-30944
- CVE-2021-30767
- CVE-2021-30964
- CVE-2021-30934
- CVE-2021-30936
- CVE-2021-30951
- CVE-2021-30952
- CVE-2021-30984
- CVE-2021-30953
- CVE-2021-30954
Frequently Asked Questions
What is the CVE ID of this vulnerability?
The CVE ID of this vulnerability is CVE-2021-30983.
What is the severity of CVE-2021-30983?
The severity of CVE-2021-30983 is critical (7.8).
What is the affected software for CVE-2021-30983?
The affected software for CVE-2021-30983 is Apple iOS and iPadOS up to version 15.2.
How does this vulnerability work?
This vulnerability is a buffer overflow issue that allows an application to execute arbitrary code with kernel privileges.
How can I fix CVE-2021-30983?
To fix CVE-2021-30983, update to iOS 15.2 or iPadOS 15.2.