CVE-2024-47732: crypto: iaa - Fix potential use after free bug

First published: Mon Oct 21 2024(Updated: )

In the Linux kernel, the following vulnerability has been resolved: crypto: iaa - Fix potential use after free bug The free_device_compression_mode(iaa_device, device_mode) function frees "device_mode" but it iss passed to iaa_compression_modes[i]->free() a few lines later resulting in a use after free. The good news is that, so far as I can tell, nothing implements the ->free() function and the use after free happens in dead code. But, with this fix, when something does implement it, we'll be ready. :)

Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

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