Medium severity · published Jul 27, 2018
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
4.7
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 20% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
8.0 · source: NVD
EL
Enterprise Linux Desktop · Redhat
6.0; 7.0 · source: NVD
EL
Enterprise Linux Server · Redhat
6.0; 7.0 · source: NVD
EL
Enterprise Linux Server Aus · Redhat
7.3; 7.4 · source: NVD
EL
Enterprise Linux Server Eus · Redhat
7.3; 7.4; 7.5 · source: NVD
EL
Enterprise Linux Workstation · Redhat
6.0; 7.0 · source: NVD
UT
Util-linux · Util-linux Project
before 2.32.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-2616
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-2616
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-0654.html
Third Party Advisory
http://www.securityfocus.com/bid/96404
Third Party Advisory
http://www.securitytracker.com/id/1038271
Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:0907
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2616
Patch
https://github.com/karelzak/util-linux/commit/dffab154d29a288aa171ff50263ecc8f2e14a891
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