CVE-2017-2616

MEDIUM

util-linux < 2.32.1 - Authenticated Race Condition via su Child Process Handling

Title source: llm
STIX 2.1

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.

References (8)

Core 8
Core References
Issue Tracking, Patch, Third Party Advisory x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2616
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/96404
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2017:0907
Third Party Advisory vendor-advisory x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2017-0654.html
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/201706-02
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2017/dsa-3793
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1038271

Scores

CVSS v3 5.5
EPSS 0.0028
EPSS Percentile 19.7%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-362 CWE-267
Status published
Products (13)
debian/debian_linux 8.0
redhat/enterprise_linux_desktop 6.0
redhat/enterprise_linux_desktop 7.0
redhat/enterprise_linux_server 6.0
redhat/enterprise_linux_server 7.0
redhat/enterprise_linux_server_aus 7.3
redhat/enterprise_linux_server_aus 7.4
redhat/enterprise_linux_server_eus 7.3
redhat/enterprise_linux_server_eus 7.4
redhat/enterprise_linux_server_eus 7.5
... and 3 more
Published Jul 27, 2018
Tracked Since Feb 18, 2026