CVE-2016-7545

HIGHNVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2022-05-14. NVD baseline CVSS 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.8Exploit: None knownExposed: 0

A fix is available — apply it.

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

CVSS v3
8.8
EG Score
8.8(medium)
EG Risk
44(Track)
EG Risk 44/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity88% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
29%
KEV
Not listed

Published

January 19, 2017

Last Modified

June 17, 2026

Advisory Details (9)

Auto-updated Aug 16, 2026
Upstream fix merged — awaiting tagged release. Sources: github_commit.
generic
http://rhn.redhat.com/errata/RHSA-2016-2702.html
generic

'[PATCH 2/2] sandbox: create a new session for sandboxed processes' - MARC

https://marc.info/?l=selinux&m=147465160112766&w=2
generic

[SECURITY] Fedora 25 Update: policycoreutils-2.5-17.fc25 - package-announce - Fedora mailing-lists

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UPRNK3PWMAVNJZ53YW5GOEOGJSFNAQIF/
github_commit

commit acca96a135a4 (SELinuxProject/selinux)

Fix landed in SELinuxProject/selinux commit acca96a135a4 — awaiting tagged release

https://github.com/SELinuxProject/selinux/commit/acca96a135a4d2a028ba9b636886af99c0915379
generic
http://www.securitytracker.com/id/1037283
generic

SecurityFocus

http://www.securityfocus.com/bid/93156
generic

oss-security - CVE-2016-7545 -- SELinux sandbox escape

http://www.openwall.com/lists/oss-security/2016/09/25/1
generic
http://rhn.redhat.com/errata/RHSA-2017-0536.html
generic
http://rhn.redhat.com/errata/RHSA-2017-0535.html

Patch Availability(3)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatpolicycoreutils-0:2.2.5-16.ael7b_12017-03-15redhat
redhatpolicycoreutils-0:2.2.5-21.el7_22017-03-15redhat
redhatpolicycoreutils-0:2.5-9.el72016-11-14redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(5 across 5 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
policycoreutils—2.5-3—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
policycoreutils—2.5-3—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
policycoreutils—2.5-3—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
policycoreutils—2.5-3—
Debian:7(1)
PackageVulnerable rangeFixed inDependents
policycoreutils2.1.10-92.1.10-9+deb7u1—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

All Vendor Advisories

(3)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 6× in last 7d / 22× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 149 total refreshes for this CVE.

  1. 2026-09-24 13:59 UTCEPSS rescore
  2. 2026-09-23 13:41 UTCEPSS rescore
  3. 2026-09-20 20:09 UTCEPSS rescore
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  6. 2026-09-18 17:06 UTCOSV refresh
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  19. 2026-08-30 20:38 UTCOSV refresh
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  1. 2026-08-18 13:43 UTCEPSS rescore
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  5. 2026-08-15 01:25 UTCEPSS rescore
  6. 2026-08-14 07:16 UTCOSV refresh
  7. 2026-08-12 13:46 UTCEPSS rescore
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  20. 2026-07-29 14:07 UTCOSV refresh
  21. 2026-07-28 15:31 UTCEPSS rescore
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  23. 2026-07-25 14:13 UTCEPSS rescore
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  25. 2026-07-23 14:15 UTCEPSS rescore
  26. 2026-07-23 01:24 UTCEG score recompute
  27. 2026-07-22 22:03 UTCEG score recompute
  28. 2026-07-22 14:04 UTCEPSS rescore
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  45. 2026-07-12 05:43 UTCEPSS rescore
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  47. 2026-07-12 04:41 UTCOSV refresh
  48. 2026-07-11 08:24 UTCEPSS rescore
  49. 2026-07-09 19:06 UTCEPSS rescore
  50. 2026-07-08 15:10 UTCEPSS rescore
  51. 2026-07-07 13:42 UTCEPSS rescore
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  67. 2026-06-23 10:58 UTCOSV refresh
  68. 2026-06-22 14:23 UTCEPSS rescore
  69. 2026-06-21 14:54 UTCEPSS rescore
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  75. 2026-06-18 17:50 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2016-7545?
CVE-2016-7545 is a high vulnerability published on January 19, 2017. SELinux policycoreutils allows local users to execute arbitrary commands outside of the sandbox via a crafted TIOCSTI ioctl call.
When was CVE-2016-7545 disclosed?
CVE-2016-7545 was first published in the National Vulnerability Database on January 19, 2017, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2016-7545 actively exploited?
CVE-2016-7545 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 70.6% of all scored CVEs.
What is the CVSS score of CVE-2016-7545?
CVE-2016-7545 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2016-7545?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2016-7545, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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