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Fencer Vulns
high 8.8

CVE-2016-7545 json

SELinux policycoreutils allows local users to execute arbitrary commands outside of the sandbox via a crafted TIOCSTI ioctl call.

published 2017-01-19 9 y ago modified 2026-06-17 4 mo ago also EUVD-2016-8398

cvss
8.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 32%
public exploits
0
none known

Summary

SELinux policycoreutils allows local users to execute arbitrary commands outside of the sandbox via a crafted TIOCSTI ioctl call.

Patch / fix

  • policycoreutils Debian 14, Debian 13, Debian 12 2.5-3

debian advisories DEBIAN-CVE-2016-7545

  • policycoreutils RHEL 6 2.0.83-30.1.el6_8
  • policycoreutils RHEL 7 2.5-9.el7
  • policycoreutils-gui RHEL 6 2.0.83-30.1.el6_8
  • policycoreutils-gui RHEL 7 2.5-9.el7
  • policycoreutils-python RHEL 6 2.0.83-30.1.el6_8
  • policycoreutils-python RHEL 7 2.5-9.el7
  • policycoreutils-newrole RHEL 6 2.0.83-30.1.el6_8
  • policycoreutils-newrole RHEL 7 2.5-9.el7

red hat advisories RHSA-2016:2702RHSA-2017:0536RHSA-2017:0535

  • policycoreutils SLES for SAP 11 SP4, SLES 11 SP4 2.0.79-4.8.1
  • policycoreutils SLES for SAP 12 SP1, SLES 12 SP1 2.3-3.3.1
  • policycoreutils SLES for SAP 12 SP2, SLES for Raspberry Pi 12 SP2, SLES 12 SP2 2.5-6.1

suse advisories SUSE-SU-2017:0339-1SUSE-SU-2017:0340-1SUSE-SU-2017:0338-1

  • firejail openSUSE Tumbleweed 0.9.66-1.2
  • coreutils openSUSE Tumbleweed 3.2-1.4

opensuse advisories openSUSE-SU-2024:10759-1openSUSE-SU-2024:11179-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2016-7545 updated cvss 8.6

policycoreutils: SELinux sandbox escape via TIOCSTI ioctl

  • Red Hat Enterprise Linux Client (v. 7) policycoreutils 2.5-9.el7, policycoreutils-gui 2.5-9.el7, policycoreutils-python 2.5-9.el7, policycoreutils-newrole 2.5-9.el7, policycoreutils-sandbox 2.5-9.el7 Red Hat Enterprise Linux Client Optional (v. 7) policycoreutils-restorecond 2.5-9.el7 Red Hat Enterprise Linux ComputeNode (v. 7) policycoreutils 2.5-9.el7, policycoreutils-python 2.5-9.el7, policycoreutils-newrole 2.5-9.el7
    fixed: vendor fix RHSA-2016:2702
  • Red Hat Enterprise Linux ComputeNode EUS (v. 7.1) policycoreutils 2.2.5-16.el7_1, policycoreutils-python 2.2.5-16.el7_1, policycoreutils-newrole 2.2.5-16.el7_1
    fixed: vendor fix RHSA-2017:0536
  • Red Hat Enterprise Linux ComputeNode EUS (v. 7.2) policycoreutils 2.2.5-21.el7_2, policycoreutils-python 2.2.5-21.el7_2, policycoreutils-newrole 2.2.5-21.el7_2
    fixed: vendor fix RHSA-2017:0535
  • Red Hat Enterprise Linux ComputeNode Optional (v. 7) policycoreutils-gui 2.5-9.el7, policycoreutils-sandbox 2.5-9.el7, policycoreutils-restorecond 2.5-9.el7
    fixed: vendor fix RHSA-2016:2702
  • Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.1) policycoreutils-gui 2.2.5-16.el7_1, policycoreutils-sandbox 2.2.5-16.el7_1, policycoreutils-restorecond 2.2.5-16.el7_1
    fixed: vendor fix RHSA-2017:0536
  • Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.2) policycoreutils-gui 2.2.5-21.el7_2, policycoreutils-sandbox 2.2.5-21.el7_2, policycoreutils-restorecond 2.2.5-21.el7_2
    fixed: vendor fix RHSA-2017:0535
  • Red Hat Enterprise Linux Desktop (v. 6) policycoreutils 2.0.83-30.1.el6_8, policycoreutils-gui 2.0.83-30.1.el6_8, policycoreutils-python 2.0.83-30.1.el6_8, policycoreutils-newrole 2.0.83-30.1.el6_8, policycoreutils-sandbox 2.0.83-30.1.el6_8 Red Hat Enterprise Linux HPC Node (v. 6) policycoreutils 2.0.83-30.1.el6_8, policycoreutils-python 2.0.83-30.1.el6_8, policycoreutils-newrole 2.0.83-30.1.el6_8 Red Hat Enterprise Linux HPC Node Optional (v. 6) policycoreutils-gui 2.0.83-30.1.el6_8, policycoreutils-sandbox 2.0.83-30.1.el6_8 Red Hat Enterprise Linux Server (v. 6) policycoreutils 2.0.83-30.1.el6_8, policycoreutils-gui 2.0.83-30.1.el6_8, policycoreutils-python 2.0.83-30.1.el6_8, policycoreutils-newrole 2.0.83-30.1.el6_8, policycoreutils-sandbox 2.0.83-30.1.el6_8 Red Hat Enterprise Linux Server (v. 7) policycoreutils 2.5-9.el7, policycoreutils-gui 2.5-9.el7, policycoreutils-python 2.5-9.el7, policycoreutils-newrole 2.5-9.el7, policycoreutils-sandbox 2.5-9.el7
    fixed: vendor fix RHSA-2016:2702
  • Red Hat Enterprise Linux Server EUS (v. 7.1) policycoreutils 2.2.5-16.el7_1, policycoreutils 2.2.5-16.ael7b_1, policycoreutils-gui 2.2.5-16.el7_1, policycoreutils-gui 2.2.5-16.ael7b_1, policycoreutils-python 2.2.5-16.el7_1, policycoreutils-newrole 2.2.5-16.el7_1, +4 more
    fixed: vendor fix RHSA-2017:0536
show 6 more
  • Red Hat Enterprise Linux Server EUS (v. 7.2) policycoreutils 2.2.5-21.el7_2, policycoreutils-gui 2.2.5-21.el7_2, policycoreutils-python 2.2.5-21.el7_2, policycoreutils-newrole 2.2.5-21.el7_2, policycoreutils-sandbox 2.2.5-21.el7_2
    fixed: vendor fix RHSA-2017:0535
  • Red Hat Enterprise Linux Server Optional (v. 7) policycoreutils-restorecond 2.5-9.el7
    fixed: vendor fix RHSA-2016:2702
  • Red Hat Enterprise Linux Server Optional EUS (v. 7.1) policycoreutils-restorecond 2.2.5-16.el7_1, policycoreutils-restorecond 2.2.5-16.ael7b_1
    fixed: vendor fix RHSA-2017:0536
  • Red Hat Enterprise Linux Server Optional EUS (v. 7.2) policycoreutils-restorecond 2.2.5-21.el7_2
    fixed: vendor fix RHSA-2017:0535
  • Red Hat Enterprise Linux Workstation (v. 6) policycoreutils 2.0.83-30.1.el6_8, policycoreutils-gui 2.0.83-30.1.el6_8, policycoreutils-python 2.0.83-30.1.el6_8, policycoreutils-newrole 2.0.83-30.1.el6_8, policycoreutils-sandbox 2.0.83-30.1.el6_8 Red Hat Enterprise Linux Workstation (v. 7) policycoreutils 2.5-9.el7, policycoreutils-gui 2.5-9.el7, policycoreutils-python 2.5-9.el7, policycoreutils-newrole 2.5-9.el7, policycoreutils-sandbox 2.5-9.el7 Red Hat Enterprise Linux Workstation Optional (v. 7) policycoreutils-restorecond 2.5-9.el7
    fixed: vendor fix RHSA-2016:2702
  • Red Hat Enterprise Linux 5 policycoreutils
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.38% chance of exploitation in the next 30 days, higher than 32% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 8.8 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
NVD 2.0 7.2 AV:L/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.