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CVE-2024-26807

Disclosure Date: April 04, 2024
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Description

In the Linux kernel, the following vulnerability has been resolved:

spi: cadence-qspi: fix pointer reference in runtime PM hooks

dev_get_drvdata() gets used to acquire the pointer to cqspi and the SPI
controller. Neither embed the other; this lead to memory corruption.

On a given platform (Mobileye EyeQ5) the memory corruption is hidden
inside cqspi->f_pdata. Also, this uninitialised memory is used as a
mutex (ctlr->bus_lock_mutex) by spi_controller_suspend().

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CVSS V3 Severity and Metrics
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General Information

Vendors

  • Linux

Products

  • Linux

Additional Info

Technical Analysis