linux linux-kernel CVE-2026-74546 is a vulnerability in Linux Kernel
Published on August 15, 2026

hwmon: (adt7470) Fix divide-by-zero TOCTOU crash in fan speed read
In the Linux kernel, the following vulnerability has been resolved: hwmon: (adt7470) Fix divide-by-zero TOCTOU crash in fan speed read If the fan data becomes 0 between the FAN_DATA_VALID() check and the FAN_PERIOD_TO_RPM() conversion, it will result in a divide-by-zero crash due to a race with a concurrent update of the cached fan value. Fix a TOCTOU issue by reading fan data once.

NVD


Products Associated with CVE-2026-74546

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Affected Versions

Linux: Linux: