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USN-4351-1: Linux firmware vulnerability

6 May 2020

The system could be made to expose sensitive information.

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.

Learn more about Ubuntu Pro

Releases

Packages

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.

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.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 18.04
Ubuntu 16.04

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

References

Related notices

  • USN-4118-1: linux-image-aws-hwe, linux-image-aws, linux-aws, linux-image-4.15.0-1047-aws, linux-aws-hwe
  • USN-4095-1: linux-image-generic-lpae-lts-utopic, linux-image-4.4.0-159-generic, linux-kvm, linux-image-4.4.0-159-powerpc-e500mc, linux-image-lowlatency-lts-wily, linux-image-virtual, linux-image-4.4.0-159-lowlatency, linux-image-generic-lpae, linux-image-powerpc-e500mc-lts-xenial, linux-image-virtual-lts-wily, linux-image-virtual-lts-xenial, linux-image-lowlatency-lts-vivid, linux-image-raspi2, linux-image-generic-lpae-lts-vivid, linux-image-powerpc64-smp-lts-vivid, linux-image-powerpc-smp-lts-utopic, linux-image-powerpc64-emb, linux-image-4.4.0-1122-snapdragon, linux-image-generic-lpae-lts-xenial, linux-image-lowlatency-lts-xenial, linux-image-powerpc-smp-lts-vivid, linux-image-powerpc-smp, linux-image-powerpc64-smp-lts-wily, linux-image-lowlatency-lts-utopic, linux-image-powerpc-e500mc, linux-image-powerpc64-smp-lts-utopic, linux-image-powerpc64-emb-lts-xenial, linux-aws, linux-image-kvm, linux-image-4.4.0-159-powerpc64-emb, linux-image-generic-lts-wily, linux-image-4.4.0-1118-raspi2, linux-image-4.4.0-159-generic-lpae, linux-image-4.4.0-159-powerpc-smp, linux-image-4.4.0-1054-kvm, linux-image-generic, linux-snapdragon, linux-image-aws, linux-image-powerpc64-smp-lts-xenial, linux-image-generic-lpae-lts-wily, linux-image-lowlatency, linux-image-powerpc64-emb-lts-utopic, linux-image-virtual-lts-vivid, linux-image-powerpc64-emb-lts-vivid, linux-image-powerpc-smp-lts-xenial, linux-raspi2, linux-image-powerpc-e500mc-lts-wily, linux-image-generic-lts-utopic, linux-image-virtual-lts-utopic, linux, linux-image-generic-lts-xenial, linux-image-powerpc-e500mc-lts-utopic, linux-image-powerpc64-smp, linux-image-snapdragon, linux-image-4.4.0-159-powerpc64-smp, linux-image-powerpc-smp-lts-wily, linux-image-generic-lts-vivid, linux-image-powerpc-e500mc-lts-vivid, linux-image-powerpc64-emb-lts-wily, linux-image-4.4.0-1090-aws
  • USN-4094-1: linux-kvm, linux-image-virtual, linux-image-generic-lpae, linux-image-raspi2, linux-image-virtual-hwe-16.04-edge, linux-gke-4.15, linux-image-gcp, linux-image-4.15.0-58-generic, linux-image-4.15.0-1043-raspi2, linux-image-generic-hwe-16.04, linux-image-oracle, linux-image-4.15.0-1050-oem, linux-azure, linux-image-kvm, linux-gcp, linux-image-4.15.0-1042-kvm, linux-image-generic, linux-image-generic-lpae-hwe-16.04, linux-image-4.15.0-1040-gke, linux-snapdragon, linux-image-lowlatency, linux-image-virtual-hwe-16.04, linux-image-4.15.0-1021-oracle, linux-raspi2, linux-image-4.15.0-58-lowlatency, linux-oracle, linux-hwe, linux-image-lowlatency-hwe-16.04, linux-image-4.15.0-58-generic-lpae, linux, linux-image-snapdragon, linux-image-generic-hwe-16.04-edge, linux-image-lowlatency-hwe-16.04-edge, linux-image-4.15.0-1060-snapdragon, linux-image-gke, linux-image-gke-4.15, linux-image-4.15.0-1040-gcp, linux-image-oem, linux-oem, linux-image-generic-lpae-hwe-16.04-edge
  • USN-4095-2: linux-image-4.4.0-159-generic, linux-image-4.4.0-159-powerpc-e500mc, linux-image-4.4.0-159-lowlatency, linux-image-powerpc-e500mc-lts-xenial, linux-image-virtual-lts-xenial, linux-image-generic-lpae-lts-xenial, linux-image-lowlatency-lts-xenial, linux-lts-xenial, linux-image-powerpc64-emb-lts-xenial, linux-aws, linux-image-4.4.0-159-powerpc64-emb, linux-image-4.4.0-159-generic-lpae, linux-image-4.4.0-159-powerpc-smp, linux-image-aws, linux-image-powerpc64-smp-lts-xenial, linux-image-powerpc-smp-lts-xenial, linux-image-4.4.0-1050-aws, linux-image-generic-lts-xenial, linux-image-4.4.0-159-powerpc64-smp