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

Severity

 Recommended
medium

Based on AlmaLinux security rating

    Threat Intelligence

    EPSS
    0.62% (80th percentile)

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  • Snyk ID SNYK-ALMALINUX9-LLDPD-8383554
  • published 18 Nov 2024
  • disclosed 12 Nov 2024
Report a new vulnerability Found a mistake?

Introduced: 12 Nov 2024

New CVE-2020-27827 Open this link in a new tab
CWE-400 Open this link in a new tab

How to fix?

Upgrade AlmaLinux:9 lldpd to version 0:1.0.18-4.el9 or higher.
This issue was patched in ALSA-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 AlmaLinux. See How to fix? for AlmaLinux: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.

References

CVSS Scores

version 3.1
Expand this section

NVD

7.5 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    None
  • Availability (A)
    High
Expand this section

SUSE

7.5 high
Expand this section

Red Hat

7.5 high