PT-2023-9394 · Avahi+9 · Avahi+9

Pedro Sampaio · Published 2023-04-26 · Updated 2026-03-29 · CVE-2023-38471

Positive Technologies (AI Summary)

CVSS v3.1

6.2

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Avahi (affected versions not specified)

Description A vulnerability exists in the Avahi service discovery system, related to a reachable assertion in the dbus set host name function. This issue can be exploited to cause a denial of service.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Assertion Failure

Weakness Enumeration

CWE-617

Related Identifiers

ALSA-2023:7836

ALSA-2024:2433

ALT-PU-2024-4236

ALT-PU-2024-8026

AZL-31850

AZL-34551

BDU:2024-07013

CESA-2023_7836

CLEANSTART-2026-MB75553

CVE-2023-38471

DLA-3990-1

INFSA-2024_2433

MGASA-2024-0016

OESA-2023-1793

OPENSUSE-SU-2024:13804-1

OPENSUSE-SU-2024_2200-1

RHSA-2023:7836

RHSA-2023_7836

RHSA-2024:0418

RHSA-2024:0576

RHSA-2024:2433

RHSA-2024_2433

RLSA-2023:7836

ROSA-SA-2024-2455

SUSE-SU-2024:1008-1

SUSE-SU-2024:1014-1

SUSE-SU-2024:1014-2

SUSE-SU-2024:1118-1

SUSE-SU-2024:2200-1

SUSE-SU-2025:20032-1

USN-6487-1

Affected Products

Alt Linux

Almalinux

Astra Linux

Avahi

Centos

Linuxmint

Red Hat

Red Os

Suse

Ubuntu

References · 101

• https://ubuntu.com/security/CVE-2023-38469 · Vendor Advisory
• https://errata.almalinux.org/9/ALSA-2024-2433.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-38473 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2024:1014-2 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-ALPINE-318-CVE-2023-38471 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-38471 · Vendor Advisory
• https://errata.almalinux.org/8/ALSA-2023-7836.html · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2023-1793 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-38470 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-38471 · Security Note
• https://wiki.astralinux.ru/astra-linux-se18-bulletin-2025-0411SE18 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-38473 · Vendor Advisory
• https://osv.dev/vulnerability/AZL-31850 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-38472 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-38471 · Vendor Advisory