Upstream information

CVE-2021-43612 at MITRE

Description

In lldpd before 1.0.13, when decoding SONMP packets in the sonmp_decode function, it's possible to trigger an out-of-bounds heap read via short SONMP packets.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having important severity.

CVSS v3 Scores
CVSS detail CNA (CISA-ADP) National Vulnerability Database
Base Score 7.5 7.5
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network Network
Attack Complexity Low Low
Privileges Required None None
User Interaction None None
Scope Unchanged Unchanged
Confidentiality Impact None None
Integrity Impact None None
Availability Impact High High
CVSSv3 Version 3.1 3.1
SUSE Bugzilla entry: 1194683 [NEW]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
SUSE Liberty Linux 9
  • lldpd >= 1.0.18-4.el9
  • lldpd-devel >= 1.0.18-4.el9
 Patchnames:
RHSA-2024:9158
openSUSE Tumbleweed
  • liblldpctl4 >= 1.0.13-1.1
  • lldpd >= 1.0.13-1.1
  • lldpd-devel >= 1.0.13-1.1
 Patchnames:
openSUSE-Tumbleweed-2024-11635

SUSE Timeline for this CVE

CVE page created: Thu Jan 13 19:00:21 2022
CVE page last modified: Mon Oct 6 19:31:29 2025