fkie_cve-2024-26787
Vulnerability from fkie_nvd
Published
2024-04-04 09:15
Modified
2025-03-20 10:39
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: mmc: mmci: stm32: fix DMA API overlapping mappings warning Turning on CONFIG_DMA_API_DEBUG_SG results in the following warning: DMA-API: mmci-pl18x 48220000.mmc: cacheline tracking EEXIST, overlapping mappings aren't supported WARNING: CPU: 1 PID: 51 at kernel/dma/debug.c:568 add_dma_entry+0x234/0x2f4 Modules linked in: CPU: 1 PID: 51 Comm: kworker/1:2 Not tainted 6.1.28 #1 Hardware name: STMicroelectronics STM32MP257F-EV1 Evaluation Board (DT) Workqueue: events_freezable mmc_rescan Call trace: add_dma_entry+0x234/0x2f4 debug_dma_map_sg+0x198/0x350 __dma_map_sg_attrs+0xa0/0x110 dma_map_sg_attrs+0x10/0x2c sdmmc_idma_prep_data+0x80/0xc0 mmci_prep_data+0x38/0x84 mmci_start_data+0x108/0x2dc mmci_request+0xe4/0x190 __mmc_start_request+0x68/0x140 mmc_start_request+0x94/0xc0 mmc_wait_for_req+0x70/0x100 mmc_send_tuning+0x108/0x1ac sdmmc_execute_tuning+0x14c/0x210 mmc_execute_tuning+0x48/0xec mmc_sd_init_uhs_card.part.0+0x208/0x464 mmc_sd_init_card+0x318/0x89c mmc_attach_sd+0xe4/0x180 mmc_rescan+0x244/0x320 DMA API debug brings to light leaking dma-mappings as dma_map_sg and dma_unmap_sg are not correctly balanced. If an error occurs in mmci_cmd_irq function, only mmci_dma_error function is called and as this API is not managed on stm32 variant, dma_unmap_sg is never called in this error path.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0224cbc53ba82b84affa7619b6d1b1a254bc2c53Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/176e66269f0de327375fc0ea51c12c2f5a97e4c4Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5ae5060e17a3fc38e54c3e5bd8abd6b1d5bfae7cPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6b1ba3f9040be5efc4396d86c9752cdc564730bePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/70af82bb9c897faa25a44e4181f36c60312b71efPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d610a307225951929b9dff807788439454476f85Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/0224cbc53ba82b84affa7619b6d1b1a254bc2c53Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/176e66269f0de327375fc0ea51c12c2f5a97e4c4Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/5ae5060e17a3fc38e54c3e5bd8abd6b1d5bfae7cPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/6b1ba3f9040be5efc4396d86c9752cdc564730bePatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/70af82bb9c897faa25a44e4181f36c60312b71efPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/d610a307225951929b9dff807788439454476f85Patch
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2024/06/msg00017.htmlMailing List
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 6.8
linux linux_kernel 6.8
linux linux_kernel 6.8
linux linux_kernel 6.8
linux linux_kernel 6.8
linux linux_kernel 6.8
debian debian_linux 10.0


To clipboard 

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmmc: mmci: stm32: fix DMA API overlapping mappings warning\n\nTurning on CONFIG_DMA_API_DEBUG_SG results in the following warning:\n\nDMA-API: mmci-pl18x 48220000.mmc: cacheline tracking EEXIST,\noverlapping mappings aren\u0027t supported\nWARNING: CPU: 1 PID: 51 at kernel/dma/debug.c:568\nadd_dma_entry+0x234/0x2f4\nModules linked in:\nCPU: 1 PID: 51 Comm: kworker/1:2 Not tainted 6.1.28 #1\nHardware name: STMicroelectronics STM32MP257F-EV1 Evaluation Board (DT)\nWorkqueue: events_freezable mmc_rescan\nCall trace:\nadd_dma_entry+0x234/0x2f4\ndebug_dma_map_sg+0x198/0x350\n__dma_map_sg_attrs+0xa0/0x110\ndma_map_sg_attrs+0x10/0x2c\nsdmmc_idma_prep_data+0x80/0xc0\nmmci_prep_data+0x38/0x84\nmmci_start_data+0x108/0x2dc\nmmci_request+0xe4/0x190\n__mmc_start_request+0x68/0x140\nmmc_start_request+0x94/0xc0\nmmc_wait_for_req+0x70/0x100\nmmc_send_tuning+0x108/0x1ac\nsdmmc_execute_tuning+0x14c/0x210\nmmc_execute_tuning+0x48/0xec\nmmc_sd_init_uhs_card.part.0+0x208/0x464\nmmc_sd_init_card+0x318/0x89c\nmmc_attach_sd+0xe4/0x180\nmmc_rescan+0x244/0x320\n\nDMA API debug brings to light leaking dma-mappings as dma_map_sg and\ndma_unmap_sg are not correctly balanced.\n\nIf an error occurs in mmci_cmd_irq function, only mmci_dma_error\nfunction is called and as this API is not managed on stm32 variant,\ndma_unmap_sg is never called in this error path."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mmc: mmci: stm32: corregir la advertencia de asignaciones superpuestas de la API DMA Al activar CONFIG_DMA_API_DEBUG_SG se genera la siguiente advertencia: DMA-API: mmci-pl18x 48220000.mmc: seguimiento de l\u00ednea de cach\u00e9 EEXIST, asignaciones superpuestas no son compatibles ADVERTENCIA: CPU: 1 PID: 51 en kernel/dma/debug.c:568 add_dma_entry+0x234/0x2f4 M\u00f3dulos vinculados en: CPU: 1 PID: 51 Comm: kworker/1:2 Not tainted 6.1.28 # 1 Nombre del hardware: STMicroelectronics STM32MP257F-EV1 Placa de evaluaci\u00f3n (DT) Cola de trabajo: events_freezable mmc_rescan Rastreo de llamadas: add_dma_entry+0x234/0x2f4 debug_dma_map_sg+0x198/0x350 __dma_map_sg_attrs+0xa0/0x110 dma_map_sg_attrs+0x1 0/0x2c sdmmc_idma_prep_data+0x80/0xc0 mmci_prep_data+0x38/0x84 mmci_start_data+0x108/0x2dc mmci_request+0xe4/0x190 __mmc_start_request+0x68/0x140 mmc_start_request+0x94/0xc0 mmc_wait_for_req+0x70/0x100 mmc_send_tuning+0x108/0x1ac sdmmc_execute_tuning+0x 14c/0x210 mmc_execute_tuning+0x48/0xec mmc_sd_init_uhs_card.part.0+0x208/0x464 mmc_sd_init_card +0x318/0x89c mmc_attach_sd+0xe4/0x180 mmc_rescan+0x244/0x320 La depuraci\u00f3n de la API de DMA saca a la luz asignaciones de dma con fugas, ya que dma_map_sg y dma_unmap_sg no est\u00e1n correctamente equilibrados. Si se produce un error en la funci\u00f3n mmci_cmd_irq, solo se llama a la funci\u00f3n mmci_dma_error y como esta API no se administra en la variante stm32, nunca se llama a dma_unmap_sg en esta ruta de error."
    }
  ],
  "id": "CVE-2024-26787",
  "lastModified": "2025-03-20T10:39:37.020",
  "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"
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        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
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  "published": "2024-04-04T09:15:08.297",
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  "vulnStatus": "Analyzed",
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}


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