ghsa-mrx7-jvx3-fwv3
Vulnerability from github
Published
2025-10-01 09:30
Modified
2025-10-02 15:31
Details

In the Linux kernel, the following vulnerability has been resolved:

mtd: rawnand: stm32_fmc2: avoid overlapping mappings on ECC buffer

Avoid below overlapping mappings by using a contiguous non-cacheable buffer.

[ 4.077708] DMA-API: stm32_fmc2_nfc 48810000.nand-controller: cacheline tracking EEXIST, overlapping mappings aren't supported [ 4.089103] WARNING: CPU: 1 PID: 44 at kernel/dma/debug.c:568 add_dma_entry+0x23c/0x300 [ 4.097071] Modules linked in: [ 4.100101] CPU: 1 PID: 44 Comm: kworker/u4:2 Not tainted 6.1.82 #1 [ 4.106346] Hardware name: STMicroelectronics STM32MP257F VALID1 SNOR / MB1704 (LPDDR4 Power discrete) + MB1703 + MB1708 (SNOR MB1730) (DT) [ 4.118824] Workqueue: events_unbound deferred_probe_work_func [ 4.124674] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 4.131624] pc : add_dma_entry+0x23c/0x300 [ 4.135658] lr : add_dma_entry+0x23c/0x300 [ 4.139792] sp : ffff800009dbb490 [ 4.143016] x29: ffff800009dbb4a0 x28: 0000000004008022 x27: ffff8000098a6000 [ 4.150174] x26: 0000000000000000 x25: ffff8000099e7000 x24: ffff8000099e7de8 [ 4.157231] x23: 00000000ffffffff x22: 0000000000000000 x21: ffff8000098a6a20 [ 4.164388] x20: ffff000080964180 x19: ffff800009819ba0 x18: 0000000000000006 [ 4.171545] x17: 6361727420656e69 x16: 6c6568636163203a x15: 72656c6c6f72746e [ 4.178602] x14: 6f632d646e616e2e x13: ffff800009832f58 x12: 00000000000004ec [ 4.185759] x11: 00000000000001a4 x10: ffff80000988af58 x9 : ffff800009832f58 [ 4.192916] x8 : 00000000ffffefff x7 : ffff80000988af58 x6 : 80000000fffff000 [ 4.199972] x5 : 000000000000bff4 x4 : 0000000000000000 x3 : 0000000000000000 [ 4.207128] x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff0000812d2c40 [ 4.214185] Call trace: [ 4.216605] add_dma_entry+0x23c/0x300 [ 4.220338] debug_dma_map_sg+0x198/0x350 [ 4.224373] __dma_map_sg_attrs+0xa0/0x110 [ 4.228411] dma_map_sg_attrs+0x10/0x2c [ 4.232247] stm32_fmc2_nfc_xfer.isra.0+0x1c8/0x3fc [ 4.237088] stm32_fmc2_nfc_seq_read_page+0xc8/0x174 [ 4.242127] nand_read_oob+0x1d4/0x8e0 [ 4.245861] mtd_read_oob_std+0x58/0x84 [ 4.249596] mtd_read_oob+0x90/0x150 [ 4.253231] mtd_read+0x68/0xac

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{
  "affected": [],
  "aliases": [
    "CVE-2025-39907"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-10-01T08:15:33Z",
    "severity": null
  },
  "details": "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\u0027t 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",
  "id": "GHSA-mrx7-jvx3-fwv3",
  "modified": "2025-10-02T15:31:15Z",
  "published": "2025-10-01T09:30:25Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-39907"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/06d8ef8f853752fea88c8d5bb093a40e71b330cf"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/26adba1e7d7924174e15a3ba4b1132990786300b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/513c40e59d5a414ab763a9c84797534b5e8c208d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/75686c49574dd5f171ca682c18717787f1d8d55e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/dc1c6e60993b93b87604eb11266ac72e1a3be9e0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/dfe2ac47a6ee0ab50393694517c54ef1e276dda3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e32a2ea52b51368774d014e5bcd9b86110a2b727"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f6fd98d961fa6f97347cead4f08ed862cbbb91ff"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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