# [Tails 7.7.2](https://tails.net/news/version_7.7.2/)
This release is an emergency release to fix a critical security vulnerability in the Linux kernel. # Changes and updates * Update the _Linux_ kernel to 6.12.85, which fixes [Copy Fail](https://copy.fail/), a vulnerability that could allow an application in Tails to gain administration privileges. For example, if an attacker was able to exploit other unknown security vulnerabilities in an application included in Tails, they might then use Copy Fail to take full control of your Tails and deanonymize you. We are not aware of this vulnerability being used in practice until now. # Fixed problems For more details, read our [changelog](https://gitlab.tails.boum.org/tails/tails/-/blob/master/debian/changelog). # Get Tails 7.7.2 ## To upgrade your Tails USB stick and keep your Persistent Storage * Automatic upgrades are available from Tails 7.0 or later to 7.7.2. * If you cannot do an automatic upgrade or if Tails fails to start after an automatic upgrade, please try to do a [manual upgrade](https://tails.net/doc/upgrade/index.en.html#manual). ## To install Tails 7.7.2 on a new USB stick Follow our [installation instructions](https://tails.net/install/index.en.html). The Persistent Storage on the USB stick will be lost if you install instead of upgrading. ## To download only If you don't need installation or upgrade instructions, you can download Tails 7.7.2 directly: * [For USB sticks (USB image)](https://tails.net/install/download/index.en.html) * [For DVDs and virtual machines (ISO image)](https://tails.net/install/download-iso/index.en.html) URL: <https://tails.net/news/version_7.7.2/>
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