{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "5314987de5e5f5e38436ef4a69328bc472bbd63e"
            },
            {
              "fixed": "fbe6f40caeebb0b1ea9dfedc259124c1d3cda7a6"
            },
            {
              "fixed": "ca4483f36ac1b62e69f8b182c5b8f059e0abecfb"
            },
            {
              "fixed": "e3fd54f8b0317fbccc103961ddd660f2a32dcf0b"
            },
            {
              "fixed": "adb25339b66112393fd6892ceff926765feb5b86"
            },
            {
              "fixed": "d5d01f24bc6fbde40b4e567ef9160194b61267bc"
            },
            {
              "fixed": "e89e2b97253c124d37bf88e96e5e8ce5c3aeeec3"
            },
            {
              "fixed": "15650dfbaeeb14bcaaf053b93cf631db8d465300"
            },
            {
              "fixed": "b341c1176f2e001b3adf0b47154fc31589f7410e"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.10.0"
            },
            {
              "fixed": "5.10.253"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.203"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.168"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.131"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.80"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.21"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "6.19.11"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31485.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nspi: spi-fsl-lpspi: fix teardown order issue (UAF)\n\nThere is a teardown order issue in the driver. The SPI controller is\nregistered using devm_spi_register_controller(), which delays\nunregistration of the SPI controller until after the fsl_lpspi_remove()\nfunction returns.\n\nAs the fsl_lpspi_remove() function synchronously tears down the DMA\nchannels, a running SPI transfer triggers the following NULL pointer\ndereference due to use after free:\n\n| fsl_lpspi 42550000.spi: I/O Error in DMA RX\n| Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000\n[...]\n| Call trace:\n|  fsl_lpspi_dma_transfer+0x260/0x340 [spi_fsl_lpspi]\n|  fsl_lpspi_transfer_one+0x198/0x448 [spi_fsl_lpspi]\n|  spi_transfer_one_message+0x49c/0x7c8\n|  __spi_pump_transfer_message+0x120/0x420\n|  __spi_sync+0x2c4/0x520\n|  spi_sync+0x34/0x60\n|  spidev_message+0x20c/0x378 [spidev]\n|  spidev_ioctl+0x398/0x750 [spidev]\n[...]\n\nSwitch from devm_spi_register_controller() to spi_register_controller() in\nfsl_lpspi_probe() and add the corresponding spi_unregister_controller() in\nfsl_lpspi_remove().",
  "id": "CVE-2026-31485",
  "modified": "2026-07-08T05:38:26.283683663Z",
  "published": "2026-04-22T13:54:10.892Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/15650dfbaeeb14bcaaf053b93cf631db8d465300"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/adb25339b66112393fd6892ceff926765feb5b86"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b341c1176f2e001b3adf0b47154fc31589f7410e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ca4483f36ac1b62e69f8b182c5b8f059e0abecfb"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d5d01f24bc6fbde40b4e567ef9160194b61267bc"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e3fd54f8b0317fbccc103961ddd660f2a32dcf0b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e89e2b97253c124d37bf88e96e5e8ce5c3aeeec3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/fbe6f40caeebb0b1ea9dfedc259124c1d3cda7a6"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31485.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-31485"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.5",
  "summary": "spi: spi-fsl-lpspi: fix teardown order issue (UAF)"
}