An issue in IEEE 802.1AS linuxptp v.4.2 and before allowing a remote attacker to cause a…
Priority MEDIUM 42Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Will not fix Red Hat: no fix planned
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat.
Summary
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
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01557 75th percentileScored 2026-11-07
Fix Will not fix Red Hat: no fix planned
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:linuxptp_project:linuxptp:*:*:*:*:*:*:*:* | up to 4.2 | Vulnerable | Linuxptp Project |
- cpe:2.3:a:linuxptp_project:linuxptp:*:*:*:*:*:*:*:* Versions up to 4.2 Vulnerable ·Linuxptp Project
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Out of support scope |
Not affected: 4 products
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
- Red Hat OpenShift Container Platform 4
Timeline
- 2026-10-02 Threatist record created from CVE-2024-42861
- 2026-10-03 Alias added: GHSA-xgfh-jv6x-46xv
References
More Linuxptp Project Linuxptp vulnerabilities
- TI-2021-02519 Memory corruption in linuxptp CVSS 3.1HIGH 8.8
- TI-2021-02520 Memory corruption in linuxptp CVSS 3.1HIGH 7.1
Sources
- CVE-2024-42861 · CVE Program
- CVE-2024-42861 · NVD
- FIRST EPSS
- GHSA-xgfh-jv6x-46xv · GitHub Advisory Database · CC BY 4.0
- CVE-2024-42861 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences