{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "9f0a7ab700f8620e433b05c57fbd26c92ea186d9"
            },
            {
              "fixed": "58abeb7b9562f25bdfa2f5ae5ce803eb02e74433"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "e37d5a2d60a338c5917c45296bac65da1382eda5"
            },
            {
              "fixed": "f5daaa2c959d9f894fb5b1ab76da8612dd220a0d"
            },
            {
              "fixed": "06e14c36e20b48171df13d51b89fe67c594ed07a"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "6.18.7"
            },
            {
              "fixed": "6.18.20"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.18.20"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "6.19.10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/23xxx/CVE-2026-23429.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\niommu/sva: Fix crash in iommu_sva_unbind_device()\n\ndomain-\u003emm-\u003eiommu_mm can be freed by iommu_domain_free():\n  iommu_domain_free()\n    mmdrop()\n      __mmdrop()\n        mm_pasid_drop()\nAfter iommu_domain_free() returns, accessing domain-\u003emm-\u003eiommu_mm may\ndereference a freed mm structure, leading to a crash.\n\nFix this by moving the code that accesses domain-\u003emm-\u003eiommu_mm to before\nthe call to iommu_domain_free().",
  "id": "CVE-2026-23429",
  "modified": "2026-07-15T01:49:12.258251874Z",
  "published": "2026-04-03T15:15:15.856Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/06e14c36e20b48171df13d51b89fe67c594ed07a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/58abeb7b9562f25bdfa2f5ae5ce803eb02e74433"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f5daaa2c959d9f894fb5b1ab76da8612dd220a0d"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/23xxx/CVE-2026-23429.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-23429"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "iommu/sva: Fix crash in iommu_sva_unbind_device()"
}