PT-2019-1769 · Linux+5 · Systemd+5

Chris Coulson · Published 2019-01-01 · Updated 2025-11-07 · CVE-2019-6454

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions systemd versions prior to 241-alt2

Description A buffer overflow vulnerability exists in the bus process object() function within systemd. An unprivileged local user can exploit this flaw by sending a specially crafted D-Bus message to PID1, potentially causing a denial of service (systemd PID1 crash and kernel panic). The vulnerability stems from insufficient input validation when handling the path field of a D-Bus message, leading to a stack buffer overflow.

Recommendations Update systemd to version 241-alt2 or later.

Exploit

Fix

DoS

Memory Corruption

Buffer Overflow

Weakness Enumeration

CWE-787

CWE-119

Related Identifiers

ALT-PU-2019-1000

ALT-PU-2019-1265

BDU:2019-01413

CESA-2019_0368

CESA-2019_0990

CVE-2019-6454

DLA-1684-1

DSA-4393-1

OPENSUSE-SU-2019:0255-1

OPENSUSE-SU-2019_0255-1

OPENSUSE-SU-2019_0268-1

OPENSUSE-SU-2019_1450-1

OPENSUSE-SU-2024:11420-1

RHSA-2019:0368

RHSA-2019:0457

RHSA-2019:0461

RHSA-2019:0990

RHSA-2019:1322

RHSA-2019:1502

RHSA-2019:2805

RHSA-2019_0368

RHSA-2019_0990

SUSE-SU-2019:0424-1

SUSE-SU-2019:0425-1

SUSE-SU-2019:0425-2

SUSE-SU-2019:0426-1

SUSE-SU-2019:0428-1

SUSE-SU-2019:1265-1

SUSE-SU-2019:1364-1

SUSE-SU-2019:1364-2

SUSE-SU-2019_0424-1

SUSE-SU-2019_0425-1

SUSE-SU-2019_0425-2

SUSE-SU-2019_0426-1

USN-3891-1

Affected Products

Alt Linux

Centos

Red Hat

Suse

Ubuntu

Systemd

References · 102

• 🔥 http://openwall.com/lists/oss-security/2021/07/20/2 · Exploit
• https://github.com/systemd/systemd/commits/master/src/libsystemd/sd-bus/bus-objects.c · Patch
• https://osv.dev/vulnerability/SUSE-SU-2019:0426-1 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se16-bulletin-20220829SE16 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2019-0990.html · Vendor Advisory
• https://debian.org/security/2019/dsa-4393 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-3891-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2019:0428-1 · Vendor Advisory
• https://wiki.astralinux.ru/pages/viewpage.action?pageId=41192827 · Vendor Advisory
• http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00070.html · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-6454 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-6454 · Vendor Advisory
• https://kc.mcafee.com/corporate/index?page=content&id=SB10278 · Patch
• https://access.redhat.com/errata/RHSA-2019:0368 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2019-0368.html · Vendor Advisory