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CVE-2017-2616

19
FAUCET Score

CVE-2017-2616 describes a race condition in util-linux versions prior to 2.32.1, specifically in how the 'su' command manages child processes. This flaw allows a local, authenticated attacker to terminate other processes running with root privileges under specific, high-complexity conditions. Rated Medium (CVSS 4.7), the vulnerability has a low attack complexity and requires local access, with the primary impact being a high availability impact. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage, indicating a low current threat landscape.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.32.1CPE matchmatch criteria
cpe:2.3:a:util-linux_project:util-linux:*:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.5MEDIUM

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.28%
Probability of exploitation in next 30 days
EPSS Percentile
20.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0028 is in the 63rd percentile among its peer group of 1,296 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.4 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (5)

github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: coreutils-0:8.4-46.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: util-linux-0:2.23.2-33.el7_3.2
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: coreutils

Vendor Advisories (1)

redhatCVE-2017-2616Moderate

util-linux: Sending SIGKILL to other processes with root privileges via su

Feb 22, 2017

References

rhn.redhat.com / errata/RHSA-2017-0654.html
Third Party Advisory
access.redhat.com / errata/RHSA-2017:0907
Third Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatchThird Party Advisory
github.com / karelzak/util-linux/commit/dffab154d29a288aa171ff50263ecc8f2e14a891
PatchThird Party Advisory
security.gentoo.org / glsa/201706-02
Third Party Advisory
debian.org / security/2017/dsa-3793
Third Party Advisory
securityfocus.com / bid/96404
Third Party AdvisoryVDB Entry
securitytracker.com / id/1038271
Third Party AdvisoryVDB Entry