USN-4351-1: Linux firmware vulnerability

06 May 2020

The system could be made to expose sensitive information.

Releases

Packages

  • 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
Ubuntu 16.04

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

References

Related notices

  • USN-4094-1: linux-image-kvm, linux-hwe, linux-kvm, linux-gcp, linux-image-gcp, linux-image-raspi2, linux-image-generic, linux-raspi2, linux-image-generic-lpae, linux-image-powerpc64-emb, linux-image-virtual, linux-image-4.15.0-1043-raspi2, linux-image-snapdragon, linux-image-virtual-hwe-16.04, linux, linux-image-4.15.0-1050-oem, linux-image-powerpc64-smp, linux-gke-4.15, linux-image-4.15.0-1055-azure, linux-image-4.15.0-1042-kvm, linux-image-azure, linux-image-lowlatency-hwe-16.04, linux-image-gke, linux-oem, linux-image-4.15.0-1040-gcp, linux-image-gke-4.15, linux-image-4.15.0-58-generic, linux-image-4.15.0-1021-oracle, linux-oracle, linux-snapdragon, linux-image-generic-lpae-hwe-16.04, linux-image-powerpc-smp, linux-image-4.15.0-58-generic-lpae, linux-image-4.15.0-58-lowlatency, linux-image-powerpc-e500mc, linux-image-4.15.0-1040-gke, linux-azure, linux-image-generic-hwe-16.04, linux-image-oem, linux-image-oracle, linux-image-4.15.0-1060-snapdragon, linux-image-lowlatency
  • USN-4095-1: linux-image-kvm, linux-image-aws, linux-image-4.4.0-159-powerpc-e500mc, linux-image-4.4.0-159-generic-lpae, linux-image-4.4.0-1122-snapdragon, linux-kvm, linux-image-4.4.0-159-powerpc-smp, linux-image-raspi2, linux-image-generic, linux-raspi2, linux-image-generic-lpae, linux-image-powerpc64-emb, linux-image-4.4.0-159-generic, linux-image-virtual, linux-image-4.4.0-159-powerpc64-emb, linux-image-snapdragon, linux, linux-image-powerpc64-smp, linux-snapdragon, linux-image-powerpc-smp, linux-image-powerpc-e500mc, linux-image-4.4.0-159-lowlatency, linux-aws, linux-image-4.4.0-1090-aws, linux-image-4.4.0-1054-kvm, linux-image-4.4.0-1118-raspi2, linux-image-4.4.0-159-powerpc64-smp, linux-image-lowlatency
  • USN-4095-2: linux-image-aws, linux-image-4.4.0-159-powerpc-e500mc, linux-image-4.4.0-159-generic-lpae, linux-image-4.4.0-159-powerpc-smp, linux-image-4.4.0-1050-aws, linux-image-powerpc-e500mc-lts-xenial, linux-image-4.4.0-159-generic, linux-image-4.4.0-159-powerpc64-emb, linux-image-generic-lpae-lts-xenial, linux-lts-xenial, linux-image-powerpc64-emb-lts-xenial, linux-image-lowlatency-lts-xenial, linux-image-virtual-lts-xenial, linux-image-4.4.0-159-lowlatency, linux-aws, linux-image-powerpc-smp-lts-xenial, linux-image-4.4.0-159-powerpc64-smp, linux-image-powerpc64-smp-lts-xenial, linux-image-generic-lts-xenial
  • USN-4118-1: linux-aws-hwe, linux-image-aws, linux-aws, linux-image-aws-hwe, linux-image-4.15.0-1047-aws