CVE-2025-71122 (GCVE-0-2025-71122)
Vulnerability from cvelistv5
Published
2026-01-14 15:06
Modified
2026-02-09 08:35
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: iommufd/selftest: Check for overflow in IOMMU_TEST_OP_ADD_RESERVED syzkaller found it could overflow math in the test infrastructure and cause a WARN_ON by corrupting the reserved interval tree. This only effects test kernels with CONFIG_IOMMUFD_TEST. Validate the user input length in the test ioctl.
References
Impacted products
Vendor Product Version
Linux Linux Version: f4b20bb34c83dceade5470288f48f94ce3598ada
Version: f4b20bb34c83dceade5470288f48f94ce3598ada
Version: f4b20bb34c83dceade5470288f48f94ce3598ada
Version: f4b20bb34c83dceade5470288f48f94ce3598ada
 Create a notification for this product.
Show details on NVD website

To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/iommu/iommufd/selftest.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "4cc829d61f10c20523fd4085c1546e741a792a97",
              "status": "affected",
              "version": "f4b20bb34c83dceade5470288f48f94ce3598ada",
              "versionType": "git"
            },
            {
              "lessThan": "e6c122cffcbb2e84d321ec8ba0e38ce8e7c10925",
              "status": "affected",
              "version": "f4b20bb34c83dceade5470288f48f94ce3598ada",
              "versionType": "git"
            },
            {
              "lessThan": "b166b8e0a381429fefd9180e67fbc834b3cee82f",
              "status": "affected",
              "version": "f4b20bb34c83dceade5470288f48f94ce3598ada",
              "versionType": "git"
            },
            {
              "lessThan": "e6a973af11135439de32ece3b9cbe3bfc043bea8",
              "status": "affected",
              "version": "f4b20bb34c83dceade5470288f48f94ce3598ada",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/iommu/iommufd/selftest.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.2"
            },
            {
              "lessThan": "6.2",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.120",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.64",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.3",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.19",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.120",
                  "versionStartIncluding": "6.2",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.64",
                  "versionStartIncluding": "6.2",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.3",
                  "versionStartIncluding": "6.2",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19",
                  "versionStartIncluding": "6.2",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niommufd/selftest: Check for overflow in IOMMU_TEST_OP_ADD_RESERVED\n\nsyzkaller found it could overflow math in the test infrastructure and\ncause a WARN_ON by corrupting the reserved interval tree. This only\neffects test kernels with CONFIG_IOMMUFD_TEST.\n\nValidate the user input length in the test ioctl."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-02-09T08:35:17.338Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/4cc829d61f10c20523fd4085c1546e741a792a97"
        },
        {
          "url": "https://git.kernel.org/stable/c/e6c122cffcbb2e84d321ec8ba0e38ce8e7c10925"
        },
        {
          "url": "https://git.kernel.org/stable/c/b166b8e0a381429fefd9180e67fbc834b3cee82f"
        },
        {
          "url": "https://git.kernel.org/stable/c/e6a973af11135439de32ece3b9cbe3bfc043bea8"
        }
      ],
      "title": "iommufd/selftest: Check for overflow in IOMMU_TEST_OP_ADD_RESERVED",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-71122",
    "datePublished": "2026-01-14T15:06:08.556Z",
    "dateReserved": "2026-01-13T15:30:19.654Z",
    "dateUpdated": "2026-02-09T08:35:17.338Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.