{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/iomap/bio.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "65651f1001aa3638909bc58c7b2b46160692757b",
              "status": "affected",
              "version": "0b10a370529cbd7b918c1eef43d409e43d9e0b78",
              "versionType": "git"
            },
            {
              "lessThan": "8a8685b32c0718cc7b2cb4d6202e5a5b8e0a8e2d",
              "status": "affected",
              "version": "0b10a370529cbd7b918c1eef43d409e43d9e0b78",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/iomap/bio.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "7.1"
            },
            {
              "lessThan": "7.1",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.2.*",
              "status": "unaffected",
              "version": "7.2.4",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.3",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.2.4",
                  "versionStartIncluding": "7.1",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.3",
                  "versionStartIncluding": "7.1",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niomap: don\u0027t free integrity payload that doesn\u0027t exist\n\nfs_bio_integrity_alloc might not allocate a bio integrity payload if PI\nverification is disabled on the block device.  Check for that case before\ncalling fs_bio_integrity_free in iomap_bio_read_folio_range_sync to\navoid a NULL pointer dereferences.\n\nMake the branch cover the PI verification as well - while\nfs_bio_integrity_verify works without an integrity payload, it requires\none to actually do useful work."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-19T08:52:23.735Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/65651f1001aa3638909bc58c7b2b46160692757b"
        },
        {
          "url": "https://git.kernel.org/stable/c/8a8685b32c0718cc7b2cb4d6202e5a5b8e0a8e2d"
        }
      ],
      "title": "iomap: don\u0027t free integrity payload that doesn\u0027t exist",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-89770",
    "datePublished": "2026-09-11T19:47:09.630Z",
    "dateReserved": "2026-09-11T19:38:34.765Z",
    "dateUpdated": "2026-10-19T08:52:23.735Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}