How severe is CVE-2024-42861?

CVE-2024-42861 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2024-42861 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-42861?

CVE-2024-42861 affects Linuxptp Project Linuxptp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-42861?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-42861 have an EU (EUVD) identifier?

Yes. CVE-2024-42861 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-39814.

When was CVE-2024-42861 published?

CVE-2024-42861 was published on 2024-09-23 and last updated on 2026-06-17.

CVE-2024-42861

CVE-2024-42861 is a high-severity vulnerability in Linuxptp Project Linuxptp with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-39814
Affected product: Linuxptp Project Linuxptp
Published: 2024-09-23
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is 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 message to the time synchronization function
How severe is CVE-2024-42861?: CVE-2024-42861 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2024-42861 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-42861?: CVE-2024-42861 affects Linuxptp Project Linuxptp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-42861?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-42861 have an EU (EUVD) identifier?: Yes. CVE-2024-42861 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-39814.
When was CVE-2024-42861 published?: CVE-2024-42861 was published on 2024-09-23 and last updated on 2026-06-17.

References

https://github.com/qiupy123/CVE-2024-42861

Affected products (1)

cpe:2.3:a:linuxptp_project:linuxptp:*:*:*:*:*:*:*:*

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