![]() ![]() Note: at this time, CISA is not aware of active exploitation of this vulnerability.ĬISA strongly encourages critical infrastructure organizations and other organization developing, maintaining, supporting, or using affected QNX-based systems, to patch affected products as quickly as possible. BlackBerry QNX RTOS is used in a wide range of products whose compromise could result in a malicious actor gaining control of highly sensitive systems, increasing risk to the Nation’s critical functions. ![]() A remote attacker could exploit CVE-2021-22156 to cause a denial-of-service condition or execute arbitrary code on affected devices. BadAlloc is a collection of vulnerabilities affecting multiple RTOSs and supporting libraries. On August 17, 2021, BlackBerry publicly disclosed that its QNX Real Time Operating System (RTOS) is affected by a BadAlloc vulnerability-CVE-2021-22156.
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