6.4

CVE-2026-4018

TOCTOU race condition in the QNX Neutrino kernel impacts versions of the QNX Software Development Platform and QNX OS for Safety

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.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerBlackBerry Ltd
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Produkt QNX Software Development Platform
Default Statusunaffected
Version 7.1
Status affected
Version cpe:2.3:a:blackberry:qnx_software_development_platform:7.1:*:*:*:*:*:*:*
Status affected
Version 7.0
Status affected
Version cpe:2.3:a:blackberry:qnx_software_development_platform:7.0:*:*:*:*:*:*:*
Status affected
HerstellerBlackBerry Ltd
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Produkt QNX OS for Safety
Default Statusunaffected
Version 2.2.8 and earlier
Status affected
Version cpe:2.3:o:blackberry:qnx_os_for_safety:2.2:8:*:*:*:*:*:*
Status affected
Version 2.1.5 and earlier
Status affected
Version cpe:2.3:o:blackberry:qnx_os_for_safety:2.1:5:*:*:*:*:*:*
Status affected
Version 2.0.3 and earlier
Status affected
Version cpe:2.3:o:blackberry:qnx_os_for_safety:2.0:3:*:*:*:*:*:*
Status affected
HerstellerBlackBerry Ltd.
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Produkt QNX OS for Medical
Default Statusunaffected
Version 2.0.2 and earlier
Status affected
Version cpe:2.3:o:blackberry:qnx_os_for_medical:2.0:2:*:*:*:*:*:*
Status affected
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.09% 0.006
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
Blackberry 6.4 0.5 5.9
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition

The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check.

https://support.blackberry.com/pkb/s/article/141213