CVE-2026-92504
HighCVSS 7.0Exploitation Probability (EPSS)
Low risk4th percentile - higher than 4% of all known CVEs
Summary
In the Linux kernel, the thermal intel int3400 driver's evaluate_odvp() creates per-ODVP sysfs files before the thermal zone and later probe resources are registered. The unwind path only calls cleanup_odvp() from the late sysfs failure path, so failures after evaluate_odvp(), including thermal_tripless_zone_device_register() failures, leave the ODVP files and storage behind. The fix moves ODVP cleanup to the common ART/TRT unwind path and clears cached ODVP pointers.
Risk Assessment
Leftover sysfs files and unreleased ODVP storage after a failed probe can lead to resource leaks and an inconsistent thermal driver state. In extreme cases this may cause kernel errors or incorrect temperature management behavior.
Recommendation
Update the Linux kernel to a version containing the fix for the int3400 driver. If updating is not possible, monitor kernel logs for thermal intel driver initialization errors.
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Original NVD description (English source)
In the Linux kernel, the following vulnerability has been resolved: thermal: intel: int3400: clean up ODVP on probe failures evaluate_odvp() creates per-ODVP sysfs files before the thermal zone and later probe resources are registered. The current unwind path only calls cleanup_odvp() from the late sysfs failure path, so failures after evaluate_odvp() but before that label, including thermal_tripless_zone_device_register() failures, leave the ODVP files and storage behind. Move the ODVP cleanup to the common ART/TRT unwind path so every failure after evaluate_odvp() releases the ODVP state. Also clear the cached ODVP pointers in cleanup_odvp(), because evaluate_odvp() can already call it for partial setup failures while probe continues.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS