CVE-2017-2616
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
02 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
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.27% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 20.2% of scored records. A rank, not a probability.
- NVD base score
- 4.7 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2018-07-27 19:00Z8 YR AGO
- Last updated
- 2025-06-09 15:37Z1 YR AGO
- Reserved
- 2016-12-01
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 5.5)
- CNA CVSS vector
- CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- Data version
- 5.1
- Document digest
- 770cfd94017f0148e36cfc6309333f2dab549c1c1d7ddd49282ca36533592cf9
05 Affected products
06 References
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2616
- www.securityfocus.com96404http://www.securityfocus.com/bid/96404
- access.redhat.comRHSA-2017:0907https://access.redhat.com/errata/RHSA-2017:0907
- rhn.redhat.comRHSA-2017:0654http://rhn.redhat.com/errata/RHSA-2017-0654.html
- security.gentoo.orgGLSA-201706-02https://security.gentoo.org/glsa/201706-02
- www.debian.orgDSA-3793https://www.debian.org/security/2017/dsa-3793
- github.comhttps://github.com/karelzak/util-linux/commit/dffab154d29a288aa171ff50263ecc8f2e14a891
- www.securitytracker.com1038271http://www.securitytracker.com/id/1038271
07 Fixed in
Debian 12
- coreutils Fixed in 8.20-1
- shadow Fixed in 1:4.4-4
- util-linux Fixed in 2.29.2-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- coreutils Fixed in 8.20-1
- shadow Fixed in 1:4.4-4
- util-linux Fixed in 2.29.2-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- coreutils Fixed in 8.20-1
- shadow Fixed in 1:4.4-4
- util-linux Fixed in 2.29.2-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- shadow Fixed in 1:4.1.5.1-1ubuntu9.4
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- shadow Fixed in 1:4.2-3.1ubuntu5.2
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.