CVE-2024-42249

spi: don't unoptimize message in spi_async()

Description

In the Linux kernel, the following vulnerability has been resolved: spi: don't unoptimize message in spi_async() Calling spi_maybe_unoptimize_message() in spi_async() is wrong because the message is likely to be in the queue and not transferred yet. This can corrupt the message while it is being used by the controller driver. spi_maybe_unoptimize_message() is already called in the correct place in spi_finalize_current_message() to balance the call to spi_maybe_optimize_message() in spi_async().

3.3

CVSS

Severity: Low

CVSS 3.1 •

EPSS 0.03%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/8b9af6d67517ce4a0015928b3cf35bfd2b1bc1c2	patch
https://git.kernel.org/stable/c/c86a918b1bdba78fb155184f8d88dfba1e63335d	patch

Frequently Asked Questions

What is the severity of CVE-2024-42249?: CVE-2024-42249 has been scored as a low severity vulnerability.
How to fix CVE-2024-42249?: To fix CVE-2024-42249, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-42249 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2024-42249 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-42249?: CVE-2024-42249 affects Linux Linux, Linux Linux.

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