Ubuntu security

USN-5615-1: SQLite vulnerabilities It was discovered that SQLite incorrectly handled INTERSEC query processing. An attacker could use this issue to cause SQLite to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2020-35525) It was discovered that SQLite incorrectly handled ALTER TABLE for views that have a nested FROM clause. An attacker could use this issue to cause SQLite to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue was only addressed in Ubuntu 20.04 LTS. (CVE-2020-35527) It was discovered that SQLite incorrectly handled embedded null characters when tokenizing certain unicode strings. This issue could result in incorrect results. This issue only affected Ubuntu 20.04 LTS. (CVE-2021-20223) Source: USN-5615-1: SQLite vulnerabilities

USN-5614-1: Wayland vulnerability It was discovered that Wayland incorrectly handled reference counting certain objects. An attacker could use this issue to cause Wayland to crash, resulting in a denial of service, or possibly execute arbitrary code. Source: USN-5614-1: Wayland vulnerability

USN-5613-1: Vim vulnerabilities It was discovered that Vim was not properly performing bounds checks when executing spell suggestion commands. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2022-0943) It was discovered that Vim was using freed memory when dealing with regular expressions through its old regular expression engine. If a user were tricked into opening a specially crafted file, an attacker could crash the application, leading to a denial of service, or possibly achieve code execution. (CVE-2022-1154) It was discovered that Vim was not properly performing checks on name of lambda functions. An attacker could possibly use this issue to cause a denial of service. This issue affected only Ubuntu 22.04 LTS. (CVE-2022-1420) It was discovered that Vim was incorrectly performing bounds checks when processing invalid commands with composing characters in [ more… ]

USN-5612-1: Intel Microcode vulnerability Pietro Borrello, Andreas Kogler, Martin Schwarzl, Daniel Gruss, Michael Schwarz and Moritz Lipp discovered that some Intel processors did not properly clear data between subsequent xAPIC MMIO reads. This could allow a local attacker to compromise SGX enclaves. Source: USN-5612-1: Intel Microcode vulnerability

USN-5606-2: poppler regression USN-5606-1 fixed a vulnerability in poppler. Unfortunately it was missing a commit to fix it properly. This update provides the corresponding fix for Ubuntu 18.04 LTS and Ubuntu 16.04 ESM. We apologize for the inconvenience. Original advisory details: It was discovered that poppler incorrectly handled certain PDF. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. Source: USN-5606-2: poppler regression