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TI-2019-02827 Aliases CVE-2019-3815GHSA-c7jw-qwf7-gqxx

Memory leak in systemd

Priority LOW 16CWE-401Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · Low
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-401.

Summary

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.

Why it matters now

EPSS 0.004 34th percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
systemdsystemdv219-62.2 and newer—No fix listedCNA
  • systemd Vendorsystemd Affected v219-62.2 and newer Fixed in — No fix listed CNA

CPE configurations NVD · 7

CPEVersionsRoleVendor
cpe:2.3:a:redhat:openshift_container_platform:3.11:*:*:*:*:*:*:*3.11VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*7.6VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*7.6VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*8.0VulnerableDebian
  • cpe:2.3:a:redhat:openshift_container_platform:3.11:*:*:*:*:*:*:* Versions 3.11 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian

Remediation

Red Hat 1 advisory

  • RHSA-2019:0201 Released 2019-01-29 · Red Hat rating Low
    systemd security update
    • Red Hat Enterprise Linux Client (v. 7) libgudev1-219-62.el7_6.3, systemd-219-62.el7_6.3, systemd-libs-219-62.el7_6.3 +2
    • Red Hat Enterprise Linux Client Optional (v. 7) libgudev1-devel-219-62.el7_6.3, systemd-devel-219-62.el7_6.3, systemd-journal-gateway-219-62.el7_6.3 +2
    • Red Hat Enterprise Linux ComputeNode (v. 7) libgudev1-219-62.el7_6.3, systemd-219-62.el7_6.3, systemd-libs-219-62.el7_6.3 +2
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) libgudev1-devel-219-62.el7_6.3, systemd-devel-219-62.el7_6.3, systemd-journal-gateway-219-62.el7_6.3 +2
    • Red Hat Enterprise Linux Server (v. 7) libgudev1-219-62.el7_6.3, libgudev1-219-62.el7_6.3.ppc, libgudev1-devel-219-62.el7_6.3 +8
    • Red Hat Enterprise Linux Server Optional (v. 7) systemd-journal-gateway-219-62.el7_6.3, systemd-networkd-219-62.el7_6.3, systemd-resolved-219-62.el7_6.3 +1
    • Red Hat Enterprise Linux Workstation (v. 7) libgudev1-219-62.el7_6.3, libgudev1-devel-219-62.el7_6.3, systemd-219-62.el7_6.3 +4
    • Red Hat Enterprise Linux Workstation Optional (v. 7) systemd-journal-gateway-219-62.el7_6.3, systemd-networkd-219-62.el7_6.3, systemd-resolved-219-62.el7_6.3
    • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) libgudev1-219-62.el7_6.3, libgudev1-devel-219-62.el7_6.3, systemd-219-62.el7_6.3 +4
    • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) systemd-journal-gateway-219-62.el7_6.3, systemd-networkd-219-62.el7_6.3, systemd-resolved-219-62.el7_6.3

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2019:0201
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2019:0201
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2019:0201
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2019:0201
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2019:0201
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2019:0201
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2019:0201
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2019:0201
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7)Fixed RHSA-2019:0201
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7)Fixed RHSA-2019:0201
Not affected: 1 product
  • Red Hat Enterprise Linux 8

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-3815
  2. 2026-10-03 Alias added: GHSA-c7jw-qwf7-gqxx

References

  • TI-2023-11736 systemd before 247 does not adequately block local privilege escalation for some Sudo… CVSS 3.1HIGH 7.8
  • TI-2017-06857 In systemd through 233, certain sizes passed to dns_packet_new in systemd-resolved can… CVSS 3.1HIGH 7.5
  • TI-2026-29031 In nspawn in systemd 233 through 259 before 260, an escape-to-host action can occur via a crafted optional config file. CVSS 3.1MEDIUM 6.4
  • TI-2026-12675 systemd-oomd: unprivileged users can terminate arbitrary processes CVSS 3.1MEDIUM 5.5
  • TI-2022-04038 Information disclosure in systemd CVSS 3.1MEDIUM 5.5
  • TI-2025-04111 Systemd-coredump: race condition that allows a local attacker to crash a suid program and… CVSS 3.1MEDIUM 4.7
See all 58 →

Sources