What Xiaomi will fix with the February 2025 security update?

Google has rolled out the February 2025 security update for Pixel smartphones with a variety of significant security and system stability improvements. Since Xiaomi smartphones follow a practice of including similar Android security updates in HyperOS updates, let’s have a quick summary of key enhancements and what can be expected in future updates for Xiaomi smartphones.

Key Security Updates in February 2025 Patch

1. Leak Prevention for Activity Tokens

• A vulnerability in which a malicious app could register an app as an organizer via a one-way binder call such that it appeared to run with PID 0 (a highly privileged system process).
• This can allow unprivileged programs to circumvent security controls and execute operations with high privileges.

2. Securing TransferTouchGesture API

• The patch addresses an issue in which a malicious process could hijack an ongoing touch gesture off a host or an embedded process.
• The lock will make actions only accessible to the owner of the InputTransferToken and not permit unauthorized access to gesture information.
• This is most important for sensitive security operations such as device unlocking, use of banking app, and fingerprint verification.

3. libdm: Redacting Encryption Keys in dm-crypt

• A safety improvement in dm-crypt such that sensitive key information is not disclosed when a GetTable is executed.
• This strengthens Android’s data encryption feature, reducing key leak and unauthorized access vulnerability.

4. Fix for Android Auto audio issue

• Some users have previously experienced random sound output failure when plugged in with Android Auto.
• This update introduces a more consistent audio performance when listening to Android Auto in cars.

5. Fix for connectivity through Bluetooth

• Certain Bluetooth accessories failed to connect at times due to firmware compatibility
• This update resolves these concerns, improving the compatibility with car audio, headsets, and other speakers via Bluetooth

How Repairs Can Impact Updates for Xiaomi HyperOS

• Xiaomi integrates Google’s monthly security updates in its HyperOS updates but with a variable timeline for each device.
• The touch gesture security patch is particularly relevant for Xiaomi under-display fingerprints and gesture navigation, offering increased security for unauthorized access.
• Encryption improvements in dm-crypt can be incorporated in Xiaomi’s File Encryption System to enhance security for stored information in HyperOS gadgets.
• Android Auto updates matter for owners of Xiaomi, who rely on in-car connectivity, with previous updates having generated MIUI and HyperOS compatibility issues.
• The Bluetooth fix will work for Xiaomi smartphones that have been experiencing random disconnections with certain wireless earphones and earbuds.

When Will Xiaomi Devices Receive These Fixes?

Xiaomi’s February 2025 security update will go out in a matter of weeks, first for flagship smartphones (Xiaomi 15, Xiaomi 14, Redmi K80 series, etc.) and then for all supported smartphones. Some of them will receive HyperOS 2 in place of a monthly security update, at least in terms of Xiaomi’s rollout schedule.

This update brings important security enhancements and bug fixes that will make system security, Bluetooth performance, and Android Auto even better. Users of Xiaomi can expect their next security update in an effort to enjoy these enhancements.

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