It was discovered that systemd did not properly validate the time and
accuracy values provided to the format_timespan() function. An attacker
could possibly use this issue to cause a buffer overrun, leading to a
denial of service attack. This issue only affected Ubuntu 14.04 ESM, Ubuntu
16.04 ESM, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS.
(CVE-2022-3821)
It was discovered that systemd did not properly manage the fs.suid_dumpable
kernel configurations. A local attacker could possibly use this issue to
expose sensitive information. This issue only affected Ubuntu 20.04 LTS,
Ubuntu 22.04 LTS, and Ubuntu 22.10. (CVE-2022-4415)
It was discovered that systemd did not properly manage a crash with long
backtrace data. A local attacker could possibly use this issue to cause a
deadlock, leading to a denial of service attack. This issue only affected
Ubuntu 22.10. (CVE-2022-45873)
