{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/iommu/iommu-sva.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "58abeb7b9562f25bdfa2f5ae5ce803eb02e74433",
              "status": "affected",
              "version": "9f0a7ab700f8620e433b05c57fbd26c92ea186d9",
              "versionType": "git"
            },
            {
              "lessThan": "f5daaa2c959d9f894fb5b1ab76da8612dd220a0d",
              "status": "affected",
              "version": "e37d5a2d60a338c5917c45296bac65da1382eda5",
              "versionType": "git"
            },
            {
              "lessThan": "06e14c36e20b48171df13d51b89fe67c594ed07a",
              "status": "affected",
              "version": "e37d5a2d60a338c5917c45296bac65da1382eda5",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/iommu/iommu-sva.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.19"
            },
            {
              "lessThan": "6.19",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.20",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.19.*",
              "status": "unaffected",
              "version": "6.19.10",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.0",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.20",
                  "versionStartIncluding": "6.18.7",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19.10",
                  "versionStartIncluding": "6.19",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.0",
                  "versionStartIncluding": "6.19",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "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()."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-27T14:02:20.562Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/58abeb7b9562f25bdfa2f5ae5ce803eb02e74433"
        },
        {
          "url": "https://git.kernel.org/stable/c/f5daaa2c959d9f894fb5b1ab76da8612dd220a0d"
        },
        {
          "url": "https://git.kernel.org/stable/c/06e14c36e20b48171df13d51b89fe67c594ed07a"
        }
      ],
      "title": "iommu/sva: Fix crash in iommu_sva_unbind_device()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-23429",
    "datePublished": "2026-04-03T15:15:15.856Z",
    "dateReserved": "2026-01-13T15:37:46.016Z",
    "dateUpdated": "2026-04-27T14:02:20.562Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}