Developers with Canonical pushed out a handful of patches for the Linux-based operating system Ubuntu this week, including one that resolves a bug that could have let an attacker cause a denial of service or execute arbitrary code with a TCP payload.
Chris Coulson, a software and electronics engineer with the company, discovered the vulnerability, an out-of-bounds write (CVE-2017-9445) in Ubuntu’s systemd-resolved system service. The service-an init system used in Linux distributions–is a network name resolution manager and helps provide network name resolution to local apps.
Coulson warned earlier this week the bug could affect any Linux distribution running an unpatched version of systemd.
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