policycoreutils: SELinux sandbox escape via TIOCSTI ioctl
Published Jan 19, 2017
8.8
HIGHCVSS 3.0
EPSS 0.38%
Description
SELinux policycoreutils allows local users to execute arbitrary commands outside of the sandbox via a crafted TIOCSTI ioctl call.
Affected products
No data.
Configuration 1
- n/a
Configuration 2
- 25
Configuration 3
- 6.0
- 7.0
- 6.0
- 7.0
- 6.0
- 7.0
- 7.3
- 6.0
- 7.0
No data.
Red Hat Enterprise Linux 6
policycoreutils-0:2.0.83-30.1.el6_8
Fixed · RHSA-2016:2702
Red Hat Enterprise Linux 7
policycoreutils-0:2.5-9.el7
Fixed · RHSA-2016:2702
Red Hat Enterprise Linux 7.1 Extended Update Support
policycoreutils-0:2.2.5-16.ael7b_1
Fixed · RHSA-2017:0536
Red Hat Enterprise Linux 7.2 Extended Update Support
policycoreutils-0:2.2.5-21.el7_2
Fixed · RHSA-2017:0535
Red Hat Enterprise Linux 5
policycoreutils
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | policycoreutils-0:2.0.83-30.1.el6_8 | Fixed | RHSA-2016:2702 |
| Red Hat Enterprise Linux 7 | policycoreutils-0:2.5-9.el7 | Fixed | RHSA-2016:2702 |
| Red Hat Enterprise Linux 7.1 Extended Update Support | policycoreutils-0:2.2.5-16.ael7b_1 | Fixed | RHSA-2017:0536 |
| Red Hat Enterprise Linux 7.2 Extended Update Support | policycoreutils-0:2.2.5-21.el7_2 | Fixed | RHSA-2017:0535 |
| Red Hat Enterprise Linux 5 | policycoreutils | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
AV:L/AC:L/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.38% (0.00382) | 29.75th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.39% (0.00385) | 30.08th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.04% (0.00036) | 7.00th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.28% (0.01282) | 68.34th | v2 (v2022.01.01) |
| Feb 22, 2023 | 1.28% (0.01282) | 68.05th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.28% (0.01282) | 65.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.28% (0.01282) | 41.72th | v2 (v2022.01.01) |
References (13)
- http://rhn.redhat.com/errata/RHSA-2016-2702.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0535.html vendor-advisoryx_refsource_REDHAT
- http://rhn.redhat.com/errata/RHSA-2017-0536.html vendor-advisoryx_refsource_REDHAT
- http://www.openwall.com/lists/oss-security/2016/09/25/1 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.securityfocus.com/bid/93156 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1037283 vdb-entryx_refsource_SECTRACK
- https://access.redhat.com/security/cve/CVE-2016-7545 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1378577 Issue Tracking
- https://github.com/SELinuxProject/selinux/commit/acca96a135a4d2a028ba9b636886af99c0915379 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UPRNK3PWMAVNJZ53YW5GOEOGJSFNAQIF/ vendor-advisoryx_refsource_FEDORA
- https://marc.info/?l=selinux&m=147465160112766&w=2 mailing-listx_refsource_MLISTThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2016-7545
- https://www.cve.org/CVERecord?id=CVE-2016-7545
Change history (0)
No recorded changes yet.