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 breakdown
CVSS 3.0
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected products
- Linux / util-linux2.32.1 – 2.32.1
References
- MISChttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2616
- MISChttp://www.securityfocus.com/bid/96404
- VENDOR_ADVISORYhttps://access.redhat.com/errata/RHSA-2017:0907
- MISChttp://rhn.redhat.com/errata/RHSA-2017-0654.html
- MISChttps://security.gentoo.org/glsa/201706-02
- VENDOR_ADVISORYhttps://www.debian.org/security/2017/dsa-3793
- PATCHhttps://github.com/karelzak/util-linux/commit/dffab154d29a288aa171ff50263ecc8f2e14a891
- MISChttp://www.securitytracker.com/id/1038271