VULNERABILITY INTELLIGENCE
CVE-2018-17155
CVSS score5.5 MEDIUM
EPSS probability0.37%
CISA KEVNot currently listed
Published2018-09-28
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Description
In FreeBSD before 11.2-STABLE(r338983), 11.2-RELEASE-p4, 11.1-RELEASE-p15, 10.4-STABLE(r338984), and 10.4-RELEASE-p13, due to insufficient initialization of memory copied to userland in the getcontext and swapcontext system calls, small amounts of kernel memory may be disclosed to userland processes. Unprivileged authenticated local users may be able to access small amounts privileged kernel data.
Weakness classification
- CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
Primary references
- secteam@freebsd.org — Patch, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Vendor Advisory