Update to iOS 15.4.1 as soon as possible, Apple fixes important security bugs

You should now update to iOS 15.4.1, it fixes a very important security bug affecting your iPhone.

Apple has released iOS 15.4.1, the first update after iOS 15.4, solving and fixing bugs, especially related to the battery. But it turns out there are other important bugs that Apple has fixed and that make you need to update your iPhone as soon as possibleand also your iPad or Mac. Although it is a minor update, it should not be underestimated as it resolves vulnerabilities and zero-day attacks.

A zero-day exploit is basically a newly discovered vulnerability whose fix remains unknown to developers and engineers of software in charge of the systems. That’s why it’s so important to keep your devices up to date to protect them from malicious software.

iOS 15.4.1 fixes important bugs

The big bugs that iOS 15.4.1 fixes

The first of the bugs, which is present in iOS 15 and macOS Monterey, allowed malicious applications execute arbitrary code with kernel privileges. A second exploit, found in Intel graphics drivers and only affecting macOS, could lead to kernel memory exposure.


  • Available for: macOS Monterey and iOS 15
  • Impact: An application may be able to execute arbitrary code with kernel privileges
  • Description: An out-of-bounds write issue was addressed with improved bounds checking. Apple is aware of a report that this issue may have been actively exploited.
  • CVE-2022-22675: An anonymous researcher

Intel graphics driver

  • Available for: macOS Monterey
  • Impact: An application may be able to read kernel memory
  • Description: An out-of-bounds read issue could lead to kernel memory disclosure and has been addressed with improved input validation. Apple is aware of a report that this issue may have been actively exploited.
  • CVE-2022-22674: An anonymous researcher

Curiously, both errors have been reported by an “anonymous researcher”remember that Apple pays large amounts of money if you find software bugs in their operating systems.

12 important news that come with iOS 15.4

In addition to fixing these bugs, iOS 15.4.1 fixes an issue that could drain your battery iPhone and iPad faster than expected, while macOS 12.3.1 fixes an issue that could cause Bluetooth devices to unexpectedly disconnect from the Mac.

Related topics: iOS

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Source: iPadizate by ipadizate.com.

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