{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "0b10a370529cbd7b918c1eef43d409e43d9e0b78"
            },
            {
              "fixed": "65651f1001aa3638909bc58c7b2b46160692757b"
            },
            {
              "fixed": "8a8685b32c0718cc7b2cb4d6202e5a5b8e0a8e2d"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "7.1.0"
            },
            {
              "fixed": "7.2.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89770.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\niomap: don't free integrity payload that doesn't 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.",
  "id": "CVE-2026-89770",
  "modified": "2026-09-13T03:30:25.062771003Z",
  "published": "2026-09-11T19:47:09.630Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/65651f1001aa3638909bc58c7b2b46160692757b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8a8685b32c0718cc7b2cb4d6202e5a5b8e0a8e2d"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89770.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-89770"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "iomap: don't free integrity payload that doesn't exist"
}