What is GHSA-9rv2-r8ch-6m82?

GHSA-9rv2-r8ch-6m82 is a security advisory published by GitHub Security Advisories with Critical severity. On affected platforms running Arista EOS with Precision Time Protocol (PTP) configured, an...

Which CVE IDs does GHSA-9rv2-r8ch-6m82 cover?

GHSA-9rv2-r8ch-6m82 covers the following CVE IDs: CVE-2026-121370. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-9rv2-r8ch-6m82?

GHSA-9rv2-r8ch-6m82 has a CVSS v3 base score of 8.6, published by GitHub Security Advisories.

GHSA-9rv2-r8ch-6m82CriticalCVSS 8.6

On affected platforms running Arista EOS with Precision Time Protocol (PTP) configured, an...

Vendor

GitHub Security Advisories

Published

November 10, 2026

Last Modified

November 10, 2026

🔗 CVE IDs covered (1)

CVE-2026-121370 →

📋 Description

On affected platforms running Arista EOS with Precision Time Protocol (PTP) configured, an unauthenticated attacker with network access to a PTP-enabled port can create a denial of service (DoS) condition by sending traffic to the system.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-121370
https://www.arista.com/en/support/advisories-notices/security-advisory/25046-security-advisory-0224
https://github.com/advisories/GHSA-9rv2-r8ch-6m82