USN-3531-1: Intel Microcode update | Ubuntu security notices | Ubuntu
11 January 2018
The system could be made to expose sensitive information.
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Releases
Packages
- intel-microcode - Processor microcode for Intel CPUs
Details
It was 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. (CVE-2017-5715)
This update provides the microcode updates required for the corresponding
Linux kernel updates.
Reduce your security exposure
Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 17.10
Ubuntu 17.04
Ubuntu 16.04
Ubuntu 14.04
After a standard system update you need to reboot your computer to make
all the necessary changes.
References
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