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CVE-2017-1084

HighPublished

In FreeBSD before 11.2-RELEASE, multiple issues with the implementation of the stack guard-page reduce the protections afforded by the guard-page. This...

Published: Sep 12, 2018
Updated: Sep 16, 2024
Assigning CNA: freebsd
Evidence observed: Jun 28, 2017

Primary CVSS

7.8/ 10High

nvd · CVSS 2.0

AV:N/AC:L/Au:N/C:N/I:N/A:C

EPSS probability estimate

12.1%

Moderate · next 30 days

Percentile: 96.0%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

In FreeBSD before 11.2-RELEASE, multiple issues with the implementation of the stack guard-page reduce the protections afforded by the guard-page. This results in the possibility a poorly written process could be cause a stack overflow.

Sources

FreeBSD - 'FGPU' Stack Clash (PoC)Exploit
Qualys Corporation · freebsd_x86 · Jun 28, 2017
FreeBSD - 'FGPE' Stack Clash (PoC)Exploit
Qualys Corporation · freebsd_x86 · Jun 28, 2017

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