PassMark PerformanceTest, BurnInTest, and OSForensics Kernel Crash via DirectIo64.sys MSR Write IOCTL
PassMark PerformanceTest before 11.1 build 1012, BurnInTest before 11.1 build 1000, and OSForensics before 11.1 build 1016 contain a privilege escalation and denial-of-service vulnerability in DirectIo64.sys that allows local attackers to read arbitrary Model-Specific Registers or write zero to any MSR through exposed IOCTLs with insufficient blocklist enforcement. Attackers can exploit the unrestricted write IOCTL to zero out the system call handler MSR, causing an immediate unrecoverable kernel crash on the next system call, or read security-sensitive MSRs used to locate kernel data structures.
CVE-2026-80115
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-80115
PerformanceTest
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
BurnInTest
Source reference: /containers/cna/affected/1/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
OSForensics
Source reference: /containers/cna/affected/2/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "PassMark Software",
"product": "PerformanceTest",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "11.1 build 1012",
"versionType": "custom"
}
],
"defaultStatus": "affected"
},
{
"vendor": "PassMark Software",
"product": "BurnInTest",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "11.1 build 1000",
"versionType": "custom"
}
],
"defaultStatus": "affected"
},
{
"vendor": "PassMark Software",
"product": "OSForensics",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "11.1 build 1016",
"versionType": "custom"
}
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-80115
Source reference:
/cveMetadata/cveId
Publisher severity
medium
Source reference: /containers/cna/metrics
- Event
- #7727 · Revision 1
- Added to Heist Feed
- Publisher date