SB2025051725 - Denial of service in Arista EOS with BGP Link State



SB2025051725 - Denial of service in Arista EOS with BGP Link State

Published: May 17, 2025

Security Bulletin ID SB2025051725
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Partial DoS

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Memory leak (CVE-ID: CVE-2024-9135)

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak on systems with configured BGP Link State. A remote BGP peer flap can force the BGP agent to leak memory and perform denial of service attack.


Remediation

Install update from vendor's website.