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CVE-2024-50051

Disclosure Date: January 11, 2025
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Description

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

spi: mpc52xx: Add cancel_work_sync before module remove

If we remove the module which will call mpc52xx_spi_remove
it will free ‘ms’ through spi_unregister_controller.
while the work ms->work will be used. The sequence of operations
that may lead to a UAF bug.

Fix it by ensuring that the work is canceled before proceeding with
the cleanup in mpc52xx_spi_remove.

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General Information

Vendors

  • Linux

Products

  • Linux
Technical Analysis