{
  "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-2025-39907",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-39907",
    "idYear": 2025,
    "status": "PUBLISHED",
    "publishedAt": "2025-10-01T07:44:30.864Z",
    "updatedAt": "2026-05-11T21:38:42.855Z",
    "importedAt": "2026-10-24T01:57:34.152Z",
    "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": "mtd: rawnand: stm32_fmc2: avoid overlapping mappings on ECC buffer",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nmtd: rawnand: stm32_fmc2: avoid overlapping mappings on ECC buffer\n\nAvoid below overlapping mappings by using a contiguous\nnon-cacheable buffer.\n\n[    4.077708] DMA-API: stm32_fmc2_nfc 48810000.nand-controller: cacheline tracking EEXIST,\noverlapping mappings aren't supported\n[    4.089103] WARNING: CPU: 1 PID: 44 at kernel/dma/debug.c:568 add_dma_entry+0x23c/0x300\n[    4.097071] Modules linked in:\n[    4.100101] CPU: 1 PID: 44 Comm: kworker/u4:2 Not tainted 6.1.82 #1\n[    4.106346] Hardware name: STMicroelectronics STM32MP257F VALID1 SNOR / MB1704 (LPDDR4 Power discrete) + MB1703 + MB1708 (SNOR MB1730) (DT)\n[    4.118824] Workqueue: events_unbound deferred_probe_work_func\n[    4.124674] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n[    4.131624] pc : add_dma_entry+0x23c/0x300\n[    4.135658] lr : add_dma_entry+0x23c/0x300\n[    4.139792] sp : ffff800009dbb490\n[    4.143016] x29: ffff800009dbb4a0 x28: 0000000004008022 x27: ffff8000098a6000\n[    4.150174] x26: 0000000000000000 x25: ffff8000099e7000 x24: ffff8000099e7de8\n[    4.157231] x23: 00000000ffffffff x22: 0000000000000000 x21: ffff8000098a6a20\n[    4.164388] x20: ffff000080964180 x19: ffff800009819ba0 x18: 0000000000000006\n[    4.171545] x17: 6361727420656e69 x16: 6c6568636163203a x15: 72656c6c6f72746e\n[    4.178602] x14: 6f632d646e616e2e x13: ffff800009832f58 x12: 00000000000004ec\n[    4.185759] x11: 00000000000001a4 x10: ffff80000988af58 x9 : ffff800009832f58\n[    4.192916] x8 : 00000000ffffefff x7 : ffff80000988af58 x6 : 80000000fffff000\n[    4.199972] x5 : 000000000000bff4 x4 : 0000000000000000 x3 : 0000000000000000\n[    4.207128] x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff0000812d2c40\n[    4.214185] Call trace:\n[    4.216605]  add_dma_entry+0x23c/0x300\n[    4.220338]  debug_dma_map_sg+0x198/0x350\n[    4.224373]  __dma_map_sg_attrs+0xa0/0x110\n[    4.228411]  dma_map_sg_attrs+0x10/0x2c\n[    4.232247]  stm32_fmc2_nfc_xfer.isra.0+0x1c8/0x3fc\n[    4.237088]  stm32_fmc2_nfc_seq_read_page+0xc8/0x174\n[    4.242127]  nand_read_oob+0x1d4/0x8e0\n[    4.245861]  mtd_read_oob_std+0x58/0x84\n[    4.249596]  mtd_read_oob+0x90/0x150\n[    4.253231]  mtd_read+0x68/0xac",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "2cd457f328c100bc98e36d55fe210e9ab067c704",
              "status": "affected",
              "versionType": "git",
              "lessThan": "dc1c6e60993b93b87604eb11266ac72e1a3be9e0"
            },
            {
              "version": "2cd457f328c100bc98e36d55fe210e9ab067c704",
              "status": "affected",
              "versionType": "git",
              "lessThan": "dfe2ac47a6ee0ab50393694517c54ef1e276dda3"
            },
            {
              "version": "2cd457f328c100bc98e36d55fe210e9ab067c704",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e32a2ea52b51368774d014e5bcd9b86110a2b727"
            },
            {
              "version": "2cd457f328c100bc98e36d55fe210e9ab067c704",
              "status": "affected",
              "versionType": "git",
              "lessThan": "75686c49574dd5f171ca682c18717787f1d8d55e"
            },
            {
              "version": "2cd457f328c100bc98e36d55fe210e9ab067c704",
              "status": "affected",
              "versionType": "git",
              "lessThan": "06d8ef8f853752fea88c8d5bb093a40e71b330cf"
            },
            {
              "version": "2cd457f328c100bc98e36d55fe210e9ab067c704",
              "status": "affected",
              "versionType": "git",
              "lessThan": "26adba1e7d7924174e15a3ba4b1132990786300b"
            },
            {
              "version": "2cd457f328c100bc98e36d55fe210e9ab067c704",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f6fd98d961fa6f97347cead4f08ed862cbbb91ff"
            },
            {
              "version": "2cd457f328c100bc98e36d55fe210e9ab067c704",
              "status": "affected",
              "versionType": "git",
              "lessThan": "513c40e59d5a414ab763a9c84797534b5e8c208d"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.1",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.1"
            },
            {
              "version": "5.4.300",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.245",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.194",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.153",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.107",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.48",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.16.8",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.16.*"
            },
            {
              "version": "6.17",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}