CVE-2024-26912
drm/nouveau: fix several DMA buffer leaks
Reported by linux · Published April 17, 2024
In the Linux kernel, the following vulnerability has been resolved: drm/nouveau: fix several DMA buffer leaks Nouveau manages GSP-RM DMA buffers with nvkm_gsp_mem objects. Several of these buffers are never dealloced. Some of them can be deallocated right after GSP-RM is initialized, but the rest need to stay until the driver unloads. Also futher bullet-proof these objects by poisoning the buffer and clearing the nvkm_gsp_mem object when it is deallocated. Poisoning the buffer should trigger an error (or crash) from GSP-RM if it tries to access the buffer after we've deallocated it, because we were wrong about when it is safe to deallocate. Finally, change the mem->size field to a size_t because that's the same type that dma_alloc_coherent expects.
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| linux_kernel | linux | 6.7.6 |
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | 176fdcbddfd288408ce8571c1760ad618d962096, 176fdcbddfd288408ce8571c1760ad618d962096 |
| Linux | Linux | 6.7, 0, 6.7.6 |
| linux | linux_kernel | 6.7, 6.7 |
| Linux | Linux | 176fdcbddfd288408ce8571c1760ad618d962096, 176fdcbddfd288408ce8571c1760ad618d962096, 6.7 |
Timeline
- Apr 17, 2024 CVE Published
- Apr 18, 2024 EPSS Score (30 in total, the first dated here)
- Oct 4, 2024 Coalition ESS Score (15 in total, the first dated here)
- Jan 15, 2026 Security Advisory (229 in total, the first dated here)
- Sep 3, 2026 CVE Updated
- Sep 4, 2026 Distribution Patch (172 in total, the first dated here)
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