Ubuntu Security Notice 5866-1 - It was discovered that Nova did not properly manage data logged into the log file. An attacker with read access to the service's logs could exploit this issue and may obtain sensitive information. This issue only affected Ubuntu 16.04 ESM and Ubuntu 18.04 LTS. It was discovered that Nova did not properly handle attaching and reattaching the encrypted volume. An attacker could possibly use this issue to perform a denial of service attack. This issue only affected Ubuntu 16.04 ESM.
33d65f15c5f1a8736cfde476dfd82ec6d391c911bd7a4660dc3f8c8b00f3416b