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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "ABAABB52-E12B-4FA5-9F6F-94F0E111832F", "versionEndExcluding": "6.7.6", "versionStartExcluding": "6.7.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "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've deallocated it, because we were wrong\nabout when it is safe to deallocate.\n\nFinally, change the mem->size field to a size_t because that's the same\ntype that dma_alloc_coherent expects."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/nouveau: corrige varias fugas del b\u00fafer DMA Nouveau administra los buffers DMA GSP-RM con objetos nvkm_gsp_mem. Varios de estos b\u00faferes nunca se desasignan. Algunos de ellos se pueden desasignar inmediatamente despu\u00e9s de que se inicializa GSP-RM, pero el resto debe permanecer hasta que se descargue el controlador. Tambi\u00e9n proteja a\u00fan m\u00e1s estos objetos envenenando el b\u00fafer y limpiando el objeto nvkm_gsp_mem cuando se desasigna. El envenenamiento del b\u00fafer deber\u00eda provocar un error (o bloqueo) de GSP-RM si intenta acceder al b\u00fafer despu\u00e9s de haberlo desasignado, porque nos equivocamos acerca de cu\u00e1ndo es seguro desasignarlo. Finalmente, cambie el campo mem->size a size_t porque es el mismo tipo que espera dma_alloc_coherent."}], "id": "CVE-2024-26912", "lastModified": "2024-11-21T09:03:21.943", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2024-04-17T16:15:07.990", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/042b5f83841fbf7ce39474412db3b5e4765a7ea7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6190d4c08897d748dd25f0b78267a90aa1694e15"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/042b5f83841fbf7ce39474412db3b5e4765a7ea7"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6190d4c08897d748dd25f0b78267a90aa1694e15"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-401"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: drm/nouveau: fix several DMA buffer leaks", "id": "2275796", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2275796"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-119", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ndrm/nouveau: fix several DMA buffer leaks\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.\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've deallocated it, because we were wrong\nabout when it is safe to deallocate.\nFinally, change the mem->size field to a size_t because that's the same\ntype that dma_alloc_coherent expects."], "name": "CVE-2024-26912", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-04-17T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-26912\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-26912\nhttps://lore.kernel.org/linux-cve-announce/2024041736-CVE-2024-26912-9206@gregkh/T"], "statement": "No Red Hat Products are affected by this vulnerability.", "threat_severity": "Moderate"}