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APPLE-SA-2022-03-31-1 iOS 15.4.1 and iPadOS 15.4.1

iOS 15.4.1 and iPadOS 15.4.1 addresses the following issues.
Information about the security content is also available at
https://support.apple.com/HT213219.

Released March 31, 2022

AppleAVD
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2
and later, iPad 5th generation and later, iPad mini 4 and later, and
iPod touch (7th generation)
Impact: An application may be able to execute arbitrary code
with kernel privileges. Apple is aware of a report that this issue
may have been actively exploited.
Description: An out-of-bounds write issue was addressed with
improved bounds checking.
CVE-2022-22675: an anonymous researcher

This update is available through iTunes and Software Update on your
iOS device, and will not appear in your computer's Software Update
application, or in the Apple Downloads site. Make sure you have an
Internet connection and have installed the latest version of iTunes
from https://www.apple.com/itunes/ iTunes and Software Update on the
device will automatically check Apple's update server on its weekly
schedule. When an update is detected, it is downloaded and the option
to be installed is presented to the user when the iOS device is
docked. We recommend applying the update immediately if possible.
Selecting Don't Install will present the option the next time you
connect your iOS device. The automatic update process may take up to
a week depending on the day that iTunes or the device checks for
updates. You may manually obtain the update via the Check for Updates
button within iTunes, or the Software Update on your device. To
check that the iPhone, iPod touch, or iPad has been updated: *
Navigate to Settings * Select General * Select About. The version
after applying this update will be "15.4.1".

All information is also posted on the Apple Security Updates
web site:
https://support.apple.com/en-us/HT201222.

This message is signed with Apple's Product Security PGP key,
and details are available at:
https://www.apple.com/support/security/pgp/
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