CVE-2026-4018
Last modified
CVE-2026-4018 is a medium-severity vulnerability rated 6.4/10 on the CVSS scale. TOCTOU Race Condition in specific trace commands of the TraceEvent() system call could allow an attacker with local access and with the PROCMGR_AID_TRACE ability, to cause information disclosure, data tampering or a crash of the QNX Neutrino kernel.. EPSS estimates a 0.09% chance of exploitation in the next 30 days.
Description
TOCTOU Race Condition in specific trace commands of the TraceEvent() system call could allow an attacker with local access and with the PROCMGR_AID_TRACE ability, to cause information disclosure, data tampering or a crash of the QNX Neutrino kernel.
Metrics
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| BlackBerry Ltd | QNX Software Development Platform | 7.1; cpe:2.3:a:blackberry:qnx_software_development_platform:7.1:*:*:*:*:*:*:*; 7.0; cpe:2.3:a:blackberry:qnx_software_development_platform:7.0:*:*:*:*:*:*:* |
| BlackBerry Ltd | QNX OS for Safety | 2.2.8 and earlier; cpe:2.3:o:blackberry:qnx_os_for_safety:2.2:8:*:*:*:*:*:*; 2.1.5 and earlier; cpe:2.3:o:blackberry:qnx_os_for_safety:2.1:5:*:*:*:*:*:*; 2.0.3 and earlier; cpe:2.3:o:blackberry:qnx_os_for_safety:2.0:3:*:*:*:*:*:* |
| BlackBerry Ltd. | QNX OS for Medical | 2.0.2 and earlier; cpe:2.3:o:blackberry:qnx_os_for_medical:2.0:2:*:*:*:*:*:* |
References
Timeline
- Published
- Last Modified
- Status
- Deferred
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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