CVE-2019-15875: Low severity freebsd kernel vulnerability

Published Feb 18, 2020

Updated

In FreeBSD 12.1-STABLE before r354734, 12.1-RELEASE before 12.1-RELEASE-p2, 12.0-RELEASE before 12.0-RELEASE-p13, 11.3-STABLE before r354735, and 11.3-RELEASE before 11.3-RELEASE-p6, due to incorrect initialization of a stack data structure, core dump files may contain up to 20 bytes of kernel data previously stored on the stack.

Affected Software

20 affected components

FreeBSD FreeBSD=11.3

FreeBSD FreeBSD=11.3-p1

FreeBSD FreeBSD=11.3-p2

FreeBSD FreeBSD=11.3-p3

FreeBSD FreeBSD=11.3-p4

FreeBSD FreeBSD=11.3-p5

FreeBSD FreeBSD=12.0

FreeBSD FreeBSD=12.0-p1

FreeBSD FreeBSD=12.0-p10

FreeBSD FreeBSD=12.0-p11

FreeBSD FreeBSD=12.0-p12

FreeBSD FreeBSD=12.0-p2

FreeBSD FreeBSD=12.0-p3

FreeBSD FreeBSD=12.0-p4

FreeBSD FreeBSD=12.0-p6

FreeBSD FreeBSD=12.0-p7

FreeBSD FreeBSD=12.0-p8

FreeBSD FreeBSD=12.0-p9

FreeBSD FreeBSD=12.1

FreeBSD FreeBSD=12.1-p1

Remediation

Patch Available

https://security.FreeBSD.org/advisories/FreeBSD-SA-20:03.thrmisc.asc

Event History

Feb 18, 2020

CVE Published

via MITRE·03:26 PM

Data Sourced

via MITRE·03:26 PM

DescriptionWeakness

Frequently Asked Questions

What is the severity of CVE-2019-15875?

CVE-2019-15875 has been classified as a medium severity vulnerability.

How do I fix CVE-2019-15875?

To mitigate CVE-2019-15875, users should upgrade to FreeBSD versions 12.1-RELEASE-p2, 12.0-RELEASE-p13, or 11.3-RELEASE-p6 or later.

What systems are affected by CVE-2019-15875?

CVE-2019-15875 affects FreeBSD versions 11.3, 12.0, and 12.1 before specific patch levels.

What type of data may be exposed due to CVE-2019-15875?

CVE-2019-15875 may expose up to 20 bytes of kernel data in core dump files.

Is there a workaround for CVE-2019-15875?

There is no known workaround for CVE-2019-15875 other than applying the appropriate patches.