{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "5000d37042a61ca556fde2782ca40dbfa802ea16"
            },
            {
              "fixed": "d24d53323e817d79a4bd111bd10b34dbc96e64a8"
            },
            {
              "fixed": "0e0c5b3cf374ebf3c589741751e1fbc67f53ec2f"
            },
            {
              "fixed": "5b12de6229d662864ee22c11d4876652b40120f0"
            },
            {
              "fixed": "2a4d9e2234c3f817bb0ddbc8680d09ce9be84f93"
            },
            {
              "fixed": "ec9f66c91bffdb69d309bae6dfb387562db7ebc8"
            },
            {
              "fixed": "07ae600bd353b22f31a8f1007269744fafc7f123"
            },
            {
              "fixed": "731712403ddb39d1a76a11abf339a0615bc85de7"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.15.0"
            },
            {
              "fixed": "5.15.216"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.183"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.148"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.101"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.42"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.1.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72146.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndmaengine: sh: rz-dmac: Move interrupt request after everything is set up\n\nOnce the interrupt is requested, the interrupt handler may run immediately.\nSince the IRQ handler can access channel-\u003ech_base, which is initialized\nonly after requesting the IRQ, this may lead to invalid memory access.\nLikewise, the IRQ thread may access uninitialized data (the ld_free,\nld_queue, and ld_active lists), which may also lead to issues.\n\nRequest the interrupts only after everything is set up. To keep the error\npath simpler, use dmam_alloc_coherent() instead of dma_alloc_coherent().",
  "id": "CVE-2026-72146",
  "modified": "2026-08-21T03:30:25.547242715Z",
  "published": "2026-08-15T05:53:18.431Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/07ae600bd353b22f31a8f1007269744fafc7f123"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0e0c5b3cf374ebf3c589741751e1fbc67f53ec2f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2a4d9e2234c3f817bb0ddbc8680d09ce9be84f93"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5b12de6229d662864ee22c11d4876652b40120f0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/731712403ddb39d1a76a11abf339a0615bc85de7"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d24d53323e817d79a4bd111bd10b34dbc96e64a8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ec9f66c91bffdb69d309bae6dfb387562db7ebc8"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72146.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-72146"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "dmaengine: sh: rz-dmac: Move interrupt request after everything is set up"
}