Description:

ubuntu has released security updates to address several vulnerabilities in the following products:

• linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon
  • Ubuntu 16.04 LTS
  • Ubuntu 14.04 ESM
• linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-gcp, linux-gke-4.15, linux-hwe, linux-kvm, linux-oem, linux-oracle, linux-raspi2, linux-snapdragon
  • Ubuntu 18.04 LTS
  • Ubuntu 16.04 LTS
  • Ubuntu 14.04 ESM
• intel-microcode regression
  • Ubuntu 20.04 LTS
  • Ubuntu 19.10
  • Ubuntu 18.04 LTS
  • Ubuntu 16.04 LTS
  • Ubuntu 14.04 ESM
• linux, linux-aws, linux-aws-5.3, linux-azure, linux-azure-5.3, linux-gcp, linux-gcp-5.3, linux-gke-5.3, linux-hwe, linux-kvm, linux-oracle, linux-oracle-5.3, linux-raspi2, linux-raspi2-5.3
  • Ubuntu 19.10
  • Ubuntu 18.04 LTS
• linux, linux-aws, linux-azure, linux-gcp, linux-kvm, linux-oracle, linux-raspi, linux-riscv
  • Ubuntu 20.04 LTS
• sqlite3
  • Ubuntu 20.04 LTS
  • Ubuntu 19.10
  • Ubuntu 18.04 LTS
  • Ubuntu 16.04 LTS
• linux
  • Ubuntu 12.04 ESM
• linux, linux-lts-trusty
  • Ubuntu 14.04 ESM
  • Ubuntu 12.04 ESM
• linux-gke-5.0, linux-oem-osp1
  • Ubuntu 18.04 LTS
• intel-microcode
  • Ubuntu 20.04 LTS
  • Ubuntu 19.10
  • Ubuntu 18.04 LTS
  • Ubuntu 16.04 LTS
  • Ubuntu 14.04 ESM
• libjpeg-turbo
  • Ubuntu 20.04 LTS
  • Ubuntu 19.10
  • Ubuntu 18.04 LTS
  • Ubuntu 16.04 LTS
  • Ubuntu 14.04 ESM
  • Ubuntu 12.04 ESM
• Linux kernel
  • Ubuntu 20.04 LTS
  • Ubuntu 18.04 LTS
  • Ubuntu 16.04 LTS
  • Ubuntu 14.04 ESM

Threats:

Attacker could exploit these vulnerabilities by doing the following:

• Execute arbitrary code
• Denial of service attack (DoS)
• Buffer overflow
• Unauthorized disclosure of information

Best practice and Recommendations:

The CERT team encourages users to review ubuntu security advisory and apply the necessary updates:

• https://usn.ubuntu.com/4391-1/
• https://usn.ubuntu.com/4390-1/
• https://usn.ubuntu.com/4385-2/
• https://usn.ubuntu.com/4387-1/
• https://usn.ubuntu.com/4389-1/
• https://usn.ubuntu.com/4394-1/
• https://usn.ubuntu.com/4393-1/
• https://usn.ubuntu.com/4392-1/
• https://usn.ubuntu.com/4388-1/
• https://usn.ubuntu.com/4385-1/
• https://usn.ubuntu.com/4386-1/
• https://usn.ubuntu.com/lsn/0068-1/