CVE-2019-3815

systemd: memory leak in journald-server.c introduced by fix for CVE-2018-16864

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Severity

Low

Red Hat Product Security

3.3

CVSS 3.0

Review impact separately from score.

Published · January 14, 2019

Updated · November 22, 2025

Description

A memory leak was discovered in the backport of fixes for CVE-2018-16864 in Red Hat Enterprise Linux. Function dispatch_message_real() in journald-server.c does not free the memory allocated by set_iovec_field_free() to store the _CMDLINE= entry. A local attacker may use this flaw to make systemd-journald crash.

Statement

This issue affects version 219-62 of systemd as shipped with Red Hat Enterprise Linux 7.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 3.3
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

CWE-401 · Missing Release of Memory after Effective Lifetime