{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "612762e82ae6058d69b4ce734598491bf030afe7"
            },
            {
              "fixed": "0bb3bd442f0bdad3932739a61dd6c580c9c1955e"
            },
            {
              "fixed": "d577c55d189e7ae150973058d13e299b6855633f"
            },
            {
              "fixed": "9e673affb92c29d9ba879bf4ea81c5e840166b56"
            },
            {
              "fixed": "45760b72e84c1a1498f1a8a9047184c85299da20"
            },
            {
              "fixed": "8f9b61d255b1e989b8913b06c8ebe0aba5e1b238"
            },
            {
              "fixed": "4bb4764f2c51f03f657a28029eb0595d8223aab5"
            },
            {
              "fixed": "4f4051e9d644c371c50de4a042b85bba6727d5c3"
            },
            {
              "fixed": "a7e8f3efd50a165ba0189f6dc57f7e51a7d149db"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.1.0"
            },
            {
              "fixed": "5.10.259"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.210"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.176"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.142"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.92"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.34"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.0.11"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64170.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nspi: qup: fix error pointer deref after DMA setup failure\n\nThe driver falls back to PIO mode if DMA setup fails during probe.\n\nMake sure to the clear the DMA channel pointers on setup failure to\navoid dereferencing an error pointer (or attempting to release a channel\na second time) on later probe errors or driver unbind.\n\nThis issue was flagged by Sashiko when reviewing a devres allocation\nconversion patch.",
  "id": "CVE-2026-64170",
  "modified": "2026-08-12T03:51:22.976384076Z",
  "published": "2026-07-19T15:40:54.999Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0bb3bd442f0bdad3932739a61dd6c580c9c1955e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/45760b72e84c1a1498f1a8a9047184c85299da20"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4bb4764f2c51f03f657a28029eb0595d8223aab5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4f4051e9d644c371c50de4a042b85bba6727d5c3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8f9b61d255b1e989b8913b06c8ebe0aba5e1b238"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9e673affb92c29d9ba879bf4ea81c5e840166b56"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a7e8f3efd50a165ba0189f6dc57f7e51a7d149db"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d577c55d189e7ae150973058d13e299b6855633f"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64170.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-64170"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "spi: qup: fix error pointer deref after DMA setup failure"
}