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CVE-2019-3815

A memory leak was discovered in the backport of fixes for CVE-2018-16864 in Red Hat Enterprise...

3.3 LowFix available

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. This issue only affects versions shipped with Red Hat Enterprise since v219-62.2.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
Low

Exploit likelihood

0.40%Down 0.3 points since Apr 14, 2021
90%50%10%1%

What each source reports

CVE List Score used 3.3

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. This issue only affects versions shipped with Red Hat Enterprise since v219-62.2.

Record
CVE-2019-3815
CVSS 3.0
3.3 LowCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Weakness
CWE-401
Updated
2026-11-02
EUVDEUVD-2019-13438 3.3

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. This issue only affects versions shipped with Red Hat Enterprise since v219-62.2.

Record
EUVD-2019-13438
CVSS 3.0
3.3 LowCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Updated
2026-11-03
GitHub AdvisoriesGHSA-c7jw-qwf7-gqxx 3.3

A memory leak was discovered in the backport of fixes for CVE-2018-16864 in Red Hat Enterprise...

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. This issue only affects versions shipped with Red Hat Enterprise since v219-62.2.

Record
GHSA-c7jw-qwf7-gqxx
CVSS 3.1
3.3 LowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Weakness
CWE-401
Updated
2026-11-02
NVD 3.3

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. This issue only affects versions shipped with Red Hat Enterprise since v219-62.2.

Record
CVE-2019-3815
CVSS 3.1
3.3 LowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CVSS 3.0
3.3 LowCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CVSS 2.0
2.1 LowAV:L/AC:L/Au:N/C:N/I:N/A:P
Weakness
CWE-401
Updated
2026-11-02
OSVRHSA-2019:0201 3.3

Red Hat Security Advisory: systemd security update

Record
RHSA-2019:0201
CVSS 3.0
3.3 LowCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
systemd
Debian:8
 before 215-17+deb8u11, plus listed versions
215-17215-17+deb8u1215-17+deb8u10215-17+deb8u2215-17+deb8u3
Show 6 moreShow less
215-17+deb8u4215-17+deb8u5215-17+deb8u6215-17+deb8u7215-17+deb8u8215-17+deb8u9
215-17+deb8u11
libgudev1
Red Hat:enterprise_linux:7::client
 before 0:219-62.el7_6.3
0:219-62.el7_6.3
systemd
Red Hat:enterprise_linux:7::client
 before 0:219-62.el7_6.3
0:219-62.el7_6.3
systemd-debuginfo
Red Hat:enterprise_linux:7::client
 before 0:219-62.el7_6.3
0:219-62.el7_6.3
systemd-libs
Red Hat:enterprise_linux:7::client
 before 0:219-62.el7_6.3
0:219-62.el7_6.3
systemd-python
Red Hat:enterprise_linux:7::client
 before 0:219-62.el7_6.3
0:219-62.el7_6.3
systemd-sysv
Red Hat:enterprise_linux:7::client
 before 0:219-62.el7_6.3
0:219-62.el7_6.3
libgudev1-devel
Red Hat:enterprise_linux:7::client
 before 0:219-62.el7_6.3
0:219-62.el7_6.3
systemd-devel
Red Hat:enterprise_linux:7::client
 before 0:219-62.el7_6.3
0:219-62.el7_6.3
systemd-journal-gateway
Red Hat:enterprise_linux:7::client
 before 0:219-62.el7_6.3
0:219-62.el7_6.3
Show 35 moreShow less
Affected packages
PackageAffectedFixed
systemd-networkd
Red Hat:enterprise_linux:7::client
 before 0:219-62.el7_6.3
0:219-62.el7_6.3
systemd-resolved
Red Hat:enterprise_linux:7::client
 before 0:219-62.el7_6.3
0:219-62.el7_6.3
libgudev1
Red Hat:enterprise_linux:7::computenode
 before 0:219-62.el7_6.3
0:219-62.el7_6.3
systemd
Red Hat:enterprise_linux:7::computenode
 before 0:219-62.el7_6.3
0:219-62.el7_6.3
systemd-debuginfo
Red Hat:enterprise_linux:7::computenode
 before 0:219-62.el7_6.3
0:219-62.el7_6.3
systemd-libs
Red Hat:enterprise_linux:7::computenode
 before 0:219-62.el7_6.3
0:219-62.el7_6.3
systemd-python
Red Hat:enterprise_linux:7::computenode
 before 0:219-62.el7_6.3
0:219-62.el7_6.3
systemd-sysv
Red Hat:enterprise_linux:7::computenode
 before 0:219-62.el7_6.3
0:219-62.el7_6.3
libgudev1-devel
Red Hat:enterprise_linux:7::computenode
 before 0:219-62.el7_6.3
0:219-62.el7_6.3
systemd-devel
Red Hat:enterprise_linux:7::computenode
 before 0:219-62.el7_6.3
0:219-62.el7_6.3
systemd-journal-gateway
Red Hat:enterprise_linux:7::computenode
 before 0:219-62.el7_6.3
0:219-62.el7_6.3
systemd-networkd
Red Hat:enterprise_linux:7::computenode
 before 0:219-62.el7_6.3
0:219-62.el7_6.3
systemd-resolved
Red Hat:enterprise_linux:7::computenode
 before 0:219-62.el7_6.3
0:219-62.el7_6.3
libgudev1
Red Hat:enterprise_linux:7::server
 before 0:219-62.el7_6.3
0:219-62.el7_6.3
libgudev1-devel
Red Hat:enterprise_linux:7::server
 before 0:219-62.el7_6.3
0:219-62.el7_6.3
systemd
Red Hat:enterprise_linux:7::server
 before 0:219-62.el7_6.3
0:219-62.el7_6.3
systemd-debuginfo
Red Hat:enterprise_linux:7::server
 before 0:219-62.el7_6.3
0:219-62.el7_6.3
systemd-devel
Red Hat:enterprise_linux:7::server
 before 0:219-62.el7_6.3
0:219-62.el7_6.3
systemd-libs
Red Hat:enterprise_linux:7::server
 before 0:219-62.el7_6.3
0:219-62.el7_6.3
systemd-python
Red Hat:enterprise_linux:7::server
 before 0:219-62.el7_6.3
0:219-62.el7_6.3
systemd-sysv
Red Hat:enterprise_linux:7::server
 before 0:219-62.el7_6.3
0:219-62.el7_6.3
systemd-journal-gateway
Red Hat:enterprise_linux:7::server
 before 0:219-62.el7_6.3
0:219-62.el7_6.3
systemd-networkd
Red Hat:enterprise_linux:7::server
 before 0:219-62.el7_6.3
0:219-62.el7_6.3
systemd-resolved
Red Hat:enterprise_linux:7::server
 before 0:219-62.el7_6.3
0:219-62.el7_6.3
libgudev1
Red Hat:enterprise_linux:7::workstation
 before 0:219-62.el7_6.3
0:219-62.el7_6.3
libgudev1-devel
Red Hat:enterprise_linux:7::workstation
 before 0:219-62.el7_6.3
0:219-62.el7_6.3
systemd
Red Hat:enterprise_linux:7::workstation
 before 0:219-62.el7_6.3
0:219-62.el7_6.3
systemd-debuginfo
Red Hat:enterprise_linux:7::workstation
 before 0:219-62.el7_6.3
0:219-62.el7_6.3
systemd-devel
Red Hat:enterprise_linux:7::workstation
 before 0:219-62.el7_6.3
0:219-62.el7_6.3
systemd-libs
Red Hat:enterprise_linux:7::workstation
 before 0:219-62.el7_6.3
0:219-62.el7_6.3
systemd-python
Red Hat:enterprise_linux:7::workstation
 before 0:219-62.el7_6.3
0:219-62.el7_6.3
systemd-sysv
Red Hat:enterprise_linux:7::workstation
 before 0:219-62.el7_6.3
0:219-62.el7_6.3
systemd-journal-gateway
Red Hat:enterprise_linux:7::workstation
 before 0:219-62.el7_6.3
0:219-62.el7_6.3
systemd-networkd
Red Hat:enterprise_linux:7::workstation
 before 0:219-62.el7_6.3
0:219-62.el7_6.3
systemd-resolved
Red Hat:enterprise_linux:7::workstation
 before 0:219-62.el7_6.3
0:219-62.el7_6.3

History

History
RecordedChangedSources
aliases, productsEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2019-3815 is a low vulnerability (CVSS 3.3) in Debian Linux, published January 28, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.40%, the 34th percentile. Fixed in systemd 215-17+deb8u11.

References

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