CVE-2024-47664 - "Hisi-Kunpeng SPI Firmware Validation Divide-by-Zero Vulnerability"

CVE ID : CVE-2024-47664
Published : Oct. 9, 2024, 3:15 p.m. | 24 minutes ago
Description : In the Linux kernel, the following vulnerability has been resolved: spi: hisi-kunpeng: Add verification for the max_frequency provided by the firmware If the value of max_speed_hz is 0, it may cause a division by zero error in hisi_calc_effective_speed(). The value of max_speed_hz is provided by firmware. Firmware is generally considered as a trusted domain. However, as division by zero errors can cause system failure, for defense measure, the value of max_speed is validated here. So 0 is regarded as invalid and an error code is returned.
Severity: 0.0 | NA
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