cve-2024-26912
Vulnerability from cvelistv5
Published
2024-04-17 15:59
Modified
2024-11-05 09:18
Severity ?
Summary
drm/nouveau: fix several DMA buffer leaks
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/042b5f83841fbf7ce39474412db3b5e4765a7ea7Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6190d4c08897d748dd25f0b78267a90aa1694e15Patch
Impacted products
Vendor Product Version
Linux Linux Version: 6.7
Show details on NVD website

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                "id": "CVE-2024-26912",
                "options": [
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                    "Exploitation": "none"
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                "role": "CISA Coordinator",
                "timestamp": "2024-05-28T19:48:15.385423Z",
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          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/nouveau/include/nvkm/subdev/gsp.h",
            "drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c"
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/nouveau: fix several DMA buffer leaks\n\nNouveau manages GSP-RM DMA buffers with nvkm_gsp_mem objects.  Several of\nthese buffers are never dealloced.  Some of them can be deallocated\nright after GSP-RM is initialized, but the rest need to stay until the\ndriver unloads.\n\nAlso futher bullet-proof these objects by poisoning the buffer and\nclearing the nvkm_gsp_mem object when it is deallocated.  Poisoning\nthe buffer should trigger an error (or crash) from GSP-RM if it tries\nto access the buffer after we\u0027ve deallocated it, because we were wrong\nabout when it is safe to deallocate.\n\nFinally, change the mem-\u003esize field to a size_t because that\u0027s the same\ntype that dma_alloc_coherent expects."
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    "datePublished": "2024-04-17T15:59:23.223Z",
    "dateReserved": "2024-02-19T14:20:24.190Z",
    "dateUpdated": "2024-11-05T09:18:03.304Z",
    "state": "PUBLISHED"
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