{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2024-26787",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2024-26787",
    "idYear": 2024,
    "status": "PUBLISHED",
    "publishedAt": "2024-04-04T08:20:19.751Z",
    "updatedAt": "2026-10-15T00:38:35.598Z",
    "importedAt": "2026-10-24T01:57:07.518Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "mmc: mmci: stm32: fix DMA API overlapping mappings warning",
      "summary": "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't 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.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "46b723dd867d599420fb640c0eaf2a866ef721d4",
              "status": "affected",
              "versionType": "git",
              "lessThan": "0224cbc53ba82b84affa7619b6d1b1a254bc2c53"
            },
            {
              "version": "46b723dd867d599420fb640c0eaf2a866ef721d4",
              "status": "affected",
              "versionType": "git",
              "lessThan": "5ae5060e17a3fc38e54c3e5bd8abd6b1d5bfae7c"
            },
            {
              "version": "46b723dd867d599420fb640c0eaf2a866ef721d4",
              "status": "affected",
              "versionType": "git",
              "lessThan": "70af82bb9c897faa25a44e4181f36c60312b71ef"
            },
            {
              "version": "46b723dd867d599420fb640c0eaf2a866ef721d4",
              "status": "affected",
              "versionType": "git",
              "lessThan": "176e66269f0de327375fc0ea51c12c2f5a97e4c4"
            },
            {
              "version": "46b723dd867d599420fb640c0eaf2a866ef721d4",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d610a307225951929b9dff807788439454476f85"
            },
            {
              "version": "46b723dd867d599420fb640c0eaf2a866ef721d4",
              "status": "affected",
              "versionType": "git",
              "lessThan": "6b1ba3f9040be5efc4396d86c9752cdc564730be"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "4.20",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "4.20"
            },
            {
              "version": "5.10.213",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.152",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.81",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.21",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.7.9",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.7.*"
            },
            {
              "version": "6.8",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}