Debian Security Advisory
DLA-838-1 shadow -- LTS security update
- Date Reported:
- 26 Feb 2017
- Affected Packages:
- Security database references:
- In the Debian bugtracking system: Bug 855943.
In Mitre's CVE dictionary: CVE-2017-2616.
- More information:
Tobias Stoeckmann discovered that su does not properly handle clearing a child PID. A local attacker can take advantage of this flaw to send SIGKILL to other processes with root privileges, resulting in denial of service.
For Debian 7
Wheezy, these problems have been fixed in version 18.104.22.168-1+deb7u1.
We recommend that you upgrade your shadow packages.
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