CVE-2024-26912

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> drm/nouveau: fix several DMA buffer leaks<br /> <br /> Nouveau manages GSP-RM DMA buffers with nvkm_gsp_mem objects. Several of<br /> these buffers are never dealloced. Some of them can be deallocated<br /> right after GSP-RM is initialized, but the rest need to stay until the<br /> driver unloads.<br /> <br /> Also futher bullet-proof these objects by poisoning the buffer and<br /> clearing the nvkm_gsp_mem object when it is deallocated. Poisoning<br /> the buffer should trigger an error (or crash) from GSP-RM if it tries<br /> to access the buffer after we&amp;#39;ve deallocated it, because we were wrong<br /> about when it is safe to deallocate.<br /> <br /> Finally, change the mem-&gt;size field to a size_t because that&amp;#39;s the same<br /> type that dma_alloc_coherent expects.