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CVE-2016-7545

23
FAUCET Score

CVE-2016-7545 describes a vulnerability in SELinux policycoreutils that allows local users to execute arbitrary commands outside of its sandbox. This high-severity flaw (CVSS 8.8) involves a crafted TIOCSTI ioctl call, enabling an attacker with local access to achieve high impact on confidentiality, integrity, and availability. While no public exploits or active exploitation are noted, the vulnerability has received some community discussion, indicating awareness.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:selinux_project:selinux:-:*:*:*:*:*:*:*
25CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:25:*:*:*:*:*:*:*
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_hpc_node:6.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.0
Impact Score
6.0
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.38%
Probability of exploitation in next 30 days
EPSS Percentile
30.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0038 is in the 70th percentile among its peer group of 16,985 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 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 redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: policycoreutils-0:2.0.83-30.1.el6_8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: policycoreutils-0:2.5-9.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7.1 Extended Update SupportFixed in: policycoreutils-0:2.2.5-16.ael7b_1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7.2 Extended Update SupportFixed in: policycoreutils-0:2.2.5-21.el7_2
View patch

Vendor Advisories (1)

redhatCVE-2016-7545Important

policycoreutils: SELinux sandbox escape via TIOCSTI ioctl

Sep 22, 2016

References

rhn.redhat.com / errata/RHSA-2016-2702.html
Third Party Advisory
rhn.redhat.com / errata/RHSA-2017-0535.html
rhn.redhat.com / errata/RHSA-2017-0536.html
github.com / SELinuxProject/selinux/commit/acca96a135a4d2a028ba9b636886af99c0915379
Issue TrackingPatchThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/UPRNK3PWMAVNJZ53YW5GOEOGJSFNAQIF
marc.info
Third Party Advisory
openwall.com / lists/oss-security/2016/09/25/1
Mailing ListThird Party Advisory
securityfocus.com / bid/93156
Third Party AdvisoryVDB Entry
securitytracker.com / id/1037283