CVE-2018-17155

Published: Sep 28, 2018Modified: Nov 21, 2024

5.5

Vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Exploitability: 1.8 / Impact: 3.6

Source: NVD

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.

Affected (5)

Products: Freebsd: Freebsd

1 product

Configuration A

5 vulnerable

Vulnerable Software	Affected Versions
Freebsd Freebsd	Before 11.2
Freebsd Freebsd	Version 10.4
Freebsd Freebsd	Version 10.4 p13
Freebsd Freebsd	Version 11.1 p15
Freebsd Freebsd	Version 11.2 p4

Related CWEs

Exposure of Sensitive Information to an Unauthorized Actor

The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

References (2)

https://security.FreeBSD.org/advisories/FreeBSD-EN-18:12.mem.asc

Source: secteam@freebsd.org

PatchVendor Advisory

https://security.FreeBSD.org/advisories/FreeBSD-EN-18:12.mem.asc

Source: af854a3a-2127-422b-91ae-364da2661108

PatchVendor Advisory

Timeline

No history available yet.