CVE-2019-5601

MEDIUM

FreeBSD FFS Directory Entry Padding Uninitialized Kernel Stack Memory Exposure

Title source: llm
STIX 2.1

Description

In FreeBSD 12.0-STABLE before r347474, 12.0-RELEASE before 12.0-RELEASE-p7, 11.2-STABLE before r347475, and 11.2-RELEASE before 11.2-RELEASE-p11, a bug in the FFS implementation causes up to three bytes of kernel stack memory to be written to disk as uninitialized directory entry padding.

References (2)

Core 2
Core References
Vendor Advisory vendor-advisory x_refsource_freebsd
https://security.FreeBSD.org/advisories/FreeBSD-SA-19:10.ufs.asc

Scores

CVSS v3 6.5
EPSS 0.0029
EPSS Percentile 52.8%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-200
Status published
Products (2)
freebsd/freebsd 11.2 (10 CPE variants)
freebsd/freebsd 12.0 (7 CPE variants)
Published Jul 03, 2019
Tracked Since Feb 18, 2026