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VULNERABILITIES

CVE-2026-74546 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://git.kernel.org/stable/c/009240d057e26831cc925feaba4c490209c1d0ba kernel.org
https://git.kernel.org/stable/c/1b46fe9dc8f8de59310f37e6c5e5c0e05ded46c3 kernel.org
https://git.kernel.org/stable/c/689a2ea75434131d0af58aeb7d51fde40e858b4d kernel.org
https://git.kernel.org/stable/c/76963b04b2d1c648d69949d8dd521e1ff7f40b51 kernel.org
https://git.kernel.org/stable/c/832069bec79cf6f903441c5769d3cdba95d0af33 kernel.org

see all 7 references

Weakness Enumeration

No weakness enumeration is available for this CVE.

Affected Products

No affected product data is available for this CVE.

Change History

3 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-74546
NVD Published Date:
Aug 15, 2026
NVD Last Modified:
Aug 19, 2026
Source:
kernel.org
CVE-2026-74546 Details - Not Deferred