| Name | CVE-2017-2616 |
| Description | A race condition was found in util-linux before 2.32.1 in the way su handled the management of child processes. A local authenticated attacker could use this flaw to kill other processes with root privileges under specific conditions. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more) |
| References | DLA-838-1, DSA-3793-1 |
| NVD severity | medium (attack range: local) |
| Debian Bugs | 855943 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| coreutils (PTS) | jessie | 8.23-4 | fixed |
| stretch | 8.26-3 | fixed | |
| buster, sid | 8.30-1 | fixed | |
| shadow (PTS) | jessie (security), jessie | 1:4.2-3+deb8u4 | fixed |
| stretch | 1:4.4-4.1 | fixed | |
| buster, sid | 1:4.5-1.1 | fixed | |
| util-linux (PTS) | jessie | 2.25.2-6 | vulnerable |
| stretch (security), stretch | 2.29.2-1+deb9u1 | fixed | |
| buster | 2.32.1-0.1 | fixed | |
| sid | 2.32.1-0.2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| coreutils | source | (unstable) | 8.20-1 | unimportant | ||
| shadow | source | (unstable) | 1:4.4-4 | medium | 855943 | |
| shadow | source | jessie | 1:4.2-3+deb8u3 | medium | DSA-3793-1 | |
| shadow | source | wheezy | 1:4.1.5.1-1+deb7u1 | medium | DLA-838-1 | |
| util-linux | source | (unstable) | 2.29.2-1 | unimportant |
https://github.com/shadow-maint/shadow/commit/08fd4b69e84364677a10e519ccb25b71710ee686
https://github.com/karelzak/util-linux/commit/dffab154d29a288aa171ff50263ecc8f2e14a891
Coreutils: Removed from source in https://git.savannah.gnu.org/cgit/coreutils.git/commit/?id=928dd737
and not installed by default since 2007.