1. Ubuntu Security Notices
  2. USN-3521-1

USN-3521-1: NVIDIA graphics drivers vulnerability

Publication date

9 January 2018

Overview

The system could be made to expose sensitive information.

Releases

Packages

Details

Jann Horn discovered that microprocessors utilizing speculative execution
and branch prediction may allow unauthorized memory reads via sidechannel
attacks. This flaw is known as Spectre. A local attacker could use this to
expose sensitive information, including kernel memory.

This update provides mitigations to address the issue, along with
compatibility fixes for the corresponding Linux kernel updates.

Jann Horn discovered that microprocessors utilizing speculative execution
and branch prediction may allow unauthorized memory reads via sidechannel
attacks. This flaw is known as Spectre. A local attacker could use this to
expose sensitive information, including kernel memory.

This update provides mitigations to address the issue, along with
compatibility fixes for the corresponding Linux kernel updates.

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
17.10 artful nvidia-384 –  384.111-0ubuntu0.17.10.1
17.04 zesty nvidia-384 –  384.111-0ubuntu0.17.04.1
16.04 xenial nvidia-384 –  384.111-0ubuntu0.16.04.1
14.04 trusty nvidia-384 –  384.111-0ubuntu0.14.04.1

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References

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