PassMark BurnInTest/OSForensics/PerformanceTest IOCTL DirectIo64.sys information disclosure

Summaryinfo

A vulnerability described as problematic has been identified in PassMark BurnInTest, OSForensics and PerformanceTest. The affected element is an unknown function of the file DirectIo64.sys of the component IOCTL Handler. Such manipulation leads to information disclosure. This vulnerability is uniquely identified as CVE-2026-80118. Local access is required to approach this attack. No exploit exists.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in PassMark BurnInTest, OSForensics and PerformanceTest (unknown version). Affected by this issue is an unknown code block of the file DirectIo64.sys of the component IOCTL Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. CVE summarizes:

PassMark PerformanceTest before 11.1 build 1012, BurnInTest before 11.1 build 1000, and OSForensics before 11.1 build 1016 contain an unauthenticated physical memory disclosure in DirectIo64.sys, reachable by unprivileged local users through a single IOCTL with no caller-identity check. The handler writes a crash-dump-format (PAGEDU64) image of all physical memory to a caller-supplied file path in the SYSTEM context, allowing a standard user to create files in locations they cannot otherwise write and to recover memory belonging to processes of other users. The image is preceded by a header that exposes the kernel loaded-module list, active-process list and PFN database pointers, defeating KASLR. The same handler also dereferences the return value of an internal kernel-structure locator without a NULL check; that locator returns NULL on three distinct failure paths, and a kernel crash results on builds where any of those paths is taken.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-80118 since 08/25/2026. The exploitation is known to be easy. The attack needs to be approached locally. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1592.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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• PassMark

Name

• BurnInTest
• OSForensics
• PerformanceTest

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