Resource Exhaustion Affecting lldpd package, versions <0:1.0.18-4.el9


Severity

Recommended
medium

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.3% (70th percentile)

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  • Snyk IDSNYK-ROCKY9-LLDPD-9464327
  • published18 Mar 2025
  • disclosed18 Mar 2021

Introduced: 18 Mar 2021

CVE-2020-27827  (opens in a new tab)
CWE-400  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:9 lldpd to version 0:1.0.18-4.el9 or higher.
This issue was patched in RLSA-2024:9158.

NVD Description

Note: Versions mentioned in the description apply only to the upstream lldpd package and not the lldpd package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:9 relevant fixed versions and status.

A flaw was found in multiple versions of OpenvSwitch. Specially crafted LLDP packets can cause memory to be lost when allocating data to handle specific optional TLVs, potentially causing a denial of service. The highest threat from this vulnerability is to system availability.

CVSS Base Scores

version 3.1