Debian Security Advisory
DLA-3063-1 systemd -- LTS security update
- Date Reported:
- 30 Jun 2022
- Affected Packages:
- Security database references:
- In the Debian bugtracking system: Bug 950732.
In Mitre's CVE dictionary: CVE-2020-1712.
- More information:
A heap use-after-free vulnerability was found in systemd, a system and service manager, where asynchronous Polkit queries are performed while handling dbus messages. A local unprivileged attacker can abuse this flaw to crash systemd services or potentially execute code and elevate their privileges, by sending specially crafted dbus messages.
For Debian 9 stretch, this problem has been fixed in version 232-25+deb9u14.
We recommend that you upgrade your systemd packages.
For the detailed security status of systemd please refer to its security tracker page at: https://security-tracker.debian.org/tracker/systemd
Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS