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An issue in IEEE 802.1AS linuxptp v.4.2 and before allowing a remote attacker to cause a denial of service via a crafted Pdelay_Req message to the time synchronization function — CVE-2024-42861

Date
Updated
Source
MSRC
Vendor
Microsoft
Threat
high
CVSS
7.5

Summary

Advisory CVE-2024-42861. An issue in IEEE 802.1AS linuxptp v.4.2 and before allowing a remote attacker to cause a denial of service via a crafted Pdelay_Req… Vendor: Microsoft. Source: MSRC. Threat: high. CVSS 7.5. See the official…

What to do

General, cautious steps (verify details in the official source):

  • Prioritize patching or mitigation immediately (treat as actively risky).
  • Identify affected product versions in your inventory and verify whether you are impacted.
  • Apply vendor patches/updates or recommended mitigations as soon as available.
  • Read the official advisory for exact affected versions and remediation steps.

Official advisory

Read the official source

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