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linux-firmware vulnerability

A security issue affects these releases of Ubuntu and its
derivatives:

* Ubuntu 18.04 LTS
* Ubuntu 16.04 LTS

Summary

The system could be made to expose sensitive information.

Software Description

* linux-firmware - Firmware for Linux kernel drivers

Details

Eli Biham and Lior Neumann discovered that certain Bluetooth
devices incorrectly validated key exchange parameters. An attacker
could possibly use this issue to obtain sensitive information.

Update instructions

The problem can be corrected by updating your system to the
following package versions:

Ubuntu 18.04 LTS
linux-firmware - 1.173.18

Ubuntu 16.04 LTS
linux-firmware - 1.157.23

To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.

After a standard system update you need to reboot your computer to
make all the necessary changes.

References

* CVE-2018-5383

--- Mystic BBS v1.12 A45 (Linux/64)
* Origin: BZ&BZ BBS (21:4/110)