CVE-2024-56719

{"id": "CVE-2024-56719", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "[email protected]", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2024-12-29T09:15:07.187", "references": [{"url": "https://git.kernel.org/stable/c/4c49f38e20a57f8abaebdf95b369295b153d1f8e", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/9d5dd7ccea1b46a9a7c6b3c2b9e5ed8864e185e2", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/db3667c9bbfbbf5de98e6c9542f7e03fb5243286", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "[email protected]", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: stmmac: fix TSO DMA API usage causing oops\n\nCommit 66600fac7a98 (\"net: stmmac: TSO: Fix unbalanced DMA map/unmap\nfor non-paged SKB data\") moved the assignment of tx_skbuff_dma[]'s\nmembers to be later in stmmac_tso_xmit().\n\nThe buf (dma cookie) and len stored in this structure are passed to\ndma_unmap_single() by stmmac_tx_clean(). The DMA API requires that\nthe dma cookie passed to dma_unmap_single() is the same as the value\nreturned from dma_map_single(). However, by moving the assignment\nlater, this is not the case when priv->dma_cap.addr64 > 32 as \"des\"\nis offset by proto_hdr_len.\n\nThis causes problems such as:\n\n dwc-eth-dwmac 2490000.ethernet eth0: Tx DMA map failed\n\nand with DMA_API_DEBUG enabled:\n\n DMA-API: dwc-eth-dwmac 2490000.ethernet: device driver tries to +free DMA memory it has not allocated [device address=0x000000ffffcf65c0] [size=66 bytes]\n\nFix this by maintaining \"des\" as the original DMA cookie, and use\ntso_des to pass the offset DMA cookie to stmmac_tso_allocator().\n\nFull details of the crashes can be found at:\nhttps://lore.kernel.org/all/[email protected]/\nhttps://lore.kernel.org/all/klkzp5yn5kq5efgtrow6wbvnc46bcqfxs65nz3qy77ujr5turc@bwwhelz2l4dw/"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: stmmac: fix TSO DMA API usage burning cause oops Commit 66600fac7a98 (\"net: stmmac: TSO: Fix unbalanced DMA map/unmap for non-paged SKB data\") movi\u00f3 la asignaci\u00f3n de los miembros de tx_skbuff_dma[] para que sea posterior en stmmac_tso_xmit(). El buf (dma cookie) y len almacenados en esta estructura se pasan a dma_unmap_single() por stmmac_tx_clean(). La DMA API requiere que la dma cookie pasada a dma_unmap_single() sea la misma que el valor devuelto desde dma_map_single(). Sin embargo, al mover la asignaci\u00f3n m\u00e1s tarde, este no es el caso cuando priv->dma_cap.addr64 > 32 como \"des\" es desplazado por proto_hdr_len. Esto causa problemas como: dwc-eth-dwmac 2490000.ethernet eth0: el mapa DMA de transmisi\u00f3n fall\u00f3 y con DMA_API_DEBUG habilitado: DMA-API: dwc-eth-dwmac 2490000.ethernet: el controlador del dispositivo intenta +liberar memoria DMA que no ha asignado [direcci\u00f3n del dispositivo=0x000000ffffcf65c0] [tama\u00f1o=66 bytes] Solucione esto manteniendo \"des\" como la cookie DMA original y use tso_des para pasar la cookie DMA de desplazamiento a stmmac_tso_allocator(). Los detalles completos de los fallos se pueden encontrar en: https://lore.kernel.org/all/[email protected]/ https://lore.kernel.org/all/klkzp5yn5kq5efgtrow6wbvnc46bcqfxs65nz3qy77ujr5turc@bwwhelz2l4dw/"}], "lastModified": "2025-10-01T20:17:43.633", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8FA383FE-32A6-400A-B7BA-ECFA9FEEF84B", "versionEndExcluding": "5.16", "versionStartIncluding": "5.15.171"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "51279A02-DDC8-4302-8F88-6925DDDF4C99", "versionEndExcluding": "6.2", "versionStartIncluding": "6.1.116"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C18D359D-A98F-430F-85A0-CE282256CE09", "versionEndExcluding": "6.6.68", "versionStartIncluding": "6.6.60"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "958DC81D-98A5-4983-AF0B-9002CA50EA07", "versionEndExcluding": "6.12.7", "versionStartIncluding": "6.11.7"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.13:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "62567B3C-6CEE-46D0-BC2E-B3717FBF7D13"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.13:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5A073481-106D-4B15-B4C7-FB0213B8E1D4"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}