CVE-2024-56719 (GCVE-0-2024-56719)
Vulnerability from cvelistv5
Published
2024-12-29 08:48
Modified
2025-05-04 13:01
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: net: stmmac: fix TSO DMA API usage causing oops Commit 66600fac7a98 ("net: stmmac: TSO: Fix unbalanced DMA map/unmap for non-paged SKB data") moved the assignment of tx_skbuff_dma[]'s members to be later in stmmac_tso_xmit(). The buf (dma cookie) and len stored in this structure are passed to dma_unmap_single() by stmmac_tx_clean(). The DMA API requires that the dma cookie passed to dma_unmap_single() is the same as the value returned from dma_map_single(). However, by moving the assignment later, this is not the case when priv->dma_cap.addr64 > 32 as "des" is offset by proto_hdr_len. This causes problems such as: dwc-eth-dwmac 2490000.ethernet eth0: Tx DMA map failed and with DMA_API_DEBUG enabled: DMA-API: dwc-eth-dwmac 2490000.ethernet: device driver tries to +free DMA memory it has not allocated [device address=0x000000ffffcf65c0] [size=66 bytes] Fix this by maintaining "des" as the original DMA cookie, and use tso_des to pass the offset DMA cookie to stmmac_tso_allocator(). Full details of the crashes can be found at: https://lore.kernel.org/all/d8112193-0386-4e14-b516-37c2d838171a@nvidia.com/ https://lore.kernel.org/all/klkzp5yn5kq5efgtrow6wbvnc46bcqfxs65nz3qy77ujr5turc@bwwhelz2l4dw/
References
Impacted products
Vendor Product Version
Linux Linux Version: 07c9c26e37542486e34d767505e842f48f29c3f6
Version: 66600fac7a984dea4ae095411f644770b2561ede
Version: 66600fac7a984dea4ae095411f644770b2561ede
Version: ece593fc9c00741b682869d3f3dc584d37b7c9df
Version: a3ff23f7c3f0e13f718900803e090fd3997d6bc9
Version: 58d23d835eb498336716cca55b5714191a309286
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{
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          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/stmicro/stmmac/stmmac_main.c"
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        {
          "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[]\u0027s\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-\u003edma_cap.addr64 \u003e 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/d8112193-0386-4e14-b516-37c2d838171a@nvidia.com/\nhttps://lore.kernel.org/all/klkzp5yn5kq5efgtrow6wbvnc46bcqfxs65nz3qy77ujr5turc@bwwhelz2l4dw/"
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      "providerMetadata": {
        "dateUpdated": "2025-05-04T13:01:18.123Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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          "url": "https://git.kernel.org/stable/c/db3667c9bbfbbf5de98e6c9542f7e03fb5243286"
        },
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          "url": "https://git.kernel.org/stable/c/9d5dd7ccea1b46a9a7c6b3c2b9e5ed8864e185e2"
        },
        {
          "url": "https://git.kernel.org/stable/c/4c49f38e20a57f8abaebdf95b369295b153d1f8e"
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      ],
      "title": "net: stmmac: fix TSO DMA API usage causing oops",
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    "assignerShortName": "Linux",
    "cveId": "CVE-2024-56719",
    "datePublished": "2024-12-29T08:48:51.495Z",
    "dateReserved": "2024-12-27T15:00:39.858Z",
    "dateUpdated": "2025-05-04T13:01:18.123Z",
    "state": "PUBLISHED"
  },
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  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-56719\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-12-29T09:15:07.187\",\"lastModified\":\"2025-01-09T20:10:50.880\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"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[]\u0027s\\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-\u003edma_cap.addr64 \u003e 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/d8112193-0386-4e14-b516-37c2d838171a@nvidia.com/\\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-\u0026gt;dma_cap.addr64 \u0026gt; 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/d8112193-0386-4e14-b516-37c2d838171a@nvidia.com/ https://lore.kernel.org/all/klkzp5yn5kq5efgtrow6wbvnc46bcqfxs65nz3qy77ujr5turc@bwwhelz2l4dw/\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.15.171\",\"versionEndExcluding\":\"5.16\",\"matchCriteriaId\":\"8FA383FE-32A6-400A-B7BA-ECFA9FEEF84B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.1.116\",\"versionEndExcluding\":\"6.2\",\"matchCriteriaId\":\"51279A02-DDC8-4302-8F88-6925DDDF4C99\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.6.60\",\"versionEndExcluding\":\"6.6.68\",\"matchCriteriaId\":\"C18D359D-A98F-430F-85A0-CE282256CE09\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.11.7\",\"versionEndExcluding\":\"6.12.7\",\"matchCriteriaId\":\"958DC81D-98A5-4983-AF0B-9002CA50EA07\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.13:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"62567B3C-6CEE-46D0-BC2E-B3717FBF7D13\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.13:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"5A073481-106D-4B15-B4C7-FB0213B8E1D4\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/4c49f38e20a57f8abaebdf95b369295b153d1f8e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/9d5dd7ccea1b46a9a7c6b3c2b9e5ed8864e185e2\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/db3667c9bbfbbf5de98e6c9542f7e03fb5243286\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
  }
}


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