An issue was discovered in the Linux kernel before 5.4.17. drivers/spi/spi-dw.c allows attackers to cause a panic via concurrent calls to dw_spi_irq and dw_spi_transfer_one.
Reference and upstream commit:
Created kernel tracking bugs for this issue:
Affects: fedora-all [bug 1834824]
This was fixed for Fedora with the 5.4.17 stable kernel update.
This issue is rated as having Low impact because of the preconditions needed to trigger the issue.
Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.