{
  "cveId": "CVE-2024-26787",
  "url": "https://patchblox.com/security/cve/CVE-2024-26787",
  "summary": "CVE-2024-26787 is fixed in linux on 1 platform, first by DEBIAN-CVE-2024-26787, released April 4, 2024. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  mmc: mmci: stm32: fix DMA API overlapping mappin...",
  "description": "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\u0027t supported WARNING: CPU: 1 PID: 51 at kernel/dma/debug.c:568 add_dma_entry\u002B0x234/0x2f4 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\u002B0x234/0x2f4 debug_dma_map_sg\u002B0x198/0x350 __dma_map_sg_attrs\u002B0xa0/0x110 dma_map_sg_attrs\u002B0x10/0x2c sdmmc_idma_prep_data\u002B0x80/0xc0 mmci_prep_data\u002B0x38/0x84 mmci_start_data\u002B0x108/0x2dc mmci_request\u002B0xe4/0x190 __mmc_start_request\u002B0x68/0x140 mmc_start_request\u002B0x94/0xc0 mmc_wait_for_req\u002B0x70/0x100 mmc_send_tuning\u002B0x108/0x1ac sdmmc_execute_tuning\u002B0x14c/0x210 mmc_execute_tuning\u002B0x48/0xec mmc_sd_init_uhs_card.part.0\u002B0x208/0x464 mmc_sd_init_card\u002B0x318/0x89c mmc_attach_sd\u002B0xe4/0x180 mmc_rescan\u002B0x244/0x320  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.",
  "published": "2024-04-04T09:15:08Z",
  "severity": "medium",
  "cvss": 5.5,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.00226,
  "epssPercentile": 0.1338,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "6.1.82-1",
      "fix": "DEBIAN-CVE-2024-26787",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2024-26787",
      "released": "2024-04-04T09:15:08Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "6.7.9-1",
      "fix": "DEBIAN-CVE-2024-26787",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2024-26787",
      "released": "2024-04-04T09:15:08Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "6.7.9-1",
      "fix": "DEBIAN-CVE-2024-26787",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2024-26787",
      "released": "2024-04-04T09:15:08Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T19:12:23Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}