CVE-2026-74546
Gravedad:
Pendiente de análisis
Tipo:
No Disponible / Otro tipo
Fecha de publicación:
15/08/2026
Última modificación:
15/08/2026
Descripción
*** Pendiente de traducción *** In the Linux kernel, the following vulnerability has been resolved:<br />
<br />
hwmon: (adt7470) Fix divide-by-zero TOCTOU crash in fan speed read<br />
<br />
If the fan data becomes 0 between the FAN_DATA_VALID() check and the<br />
FAN_PERIOD_TO_RPM() conversion, it will result in a divide-by-zero crash<br />
due to a race with a concurrent update of the cached fan value.<br />
<br />
Fix a TOCTOU issue by reading fan data once.
Impacto
Referencias a soluciones, herramientas e información
- https://git.kernel.org/stable/c/1b46fe9dc8f8de59310f37e6c5e5c0e05ded46c3
- https://git.kernel.org/stable/c/76963b04b2d1c648d69949d8dd521e1ff7f40b51
- https://git.kernel.org/stable/c/832069bec79cf6f903441c5769d3cdba95d0af33
- https://git.kernel.org/stable/c/96ad57d31763559d376416cdf3bf5ae79bbbebec
- https://git.kernel.org/stable/c/d328175045176f85c15c369bd21dc551351e7935



