ipe: protect the dm-verity root hash with RCU

{
  "id": "43079cf5a89f0b42ca7b4467039df458d722e954e42d9f0095d716d9bfd96859",
  "url": "https://osv.dev/vulnerability/CVE-2026-98533",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "ipe: protect the dm-verity root hash with RCU",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: ipe: protect the dm-verity root hash with RCU ipe_bdev_setintegrity() frees the old root hash when dm-verity publishes a new one on ->preresume, while policy evaluation can still be dereferencing it. Protect the root hash with RCU. The evaluation path already runs under rcu_read_lock(). [FW: remove model name according to latest guideline]",
    "evidence": "osv:CVE-2026-98533",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.12.112",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.18.55",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "7.2.9",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2026-98533",
      "aliases": [
        "CVE-2026-98533"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "e155858dd99523d4afe0f74e9c26e4f4499eb5af"
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                {
                  "fixed": "3bd335ed62444bec61201df7d368a0779e5bd300"
                },
                {
                  "fixed": "599d0498a39319285afa908762e0c9fad29f772e"
                },
                {
                  "fixed": "d7c5bd3159235edb0f2febe2cd3d3b0fb53986f1"
                },
                {
                  "fixed": "2776e9c28513a1c855a94792b292cbcc533418c8"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-98533.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.12.0"
                },
                {
                  "fixed": "6.12.112"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.13.0"
                },
                {
                  "fixed": "6.18.55"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.19.0"
                },
                {
                  "fixed": "7.2.9"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-98533.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:52.327810231Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/2776e9c28513a1c855a94792b292cbcc533418c8",
        "https://git.kernel.org/stable/c/3bd335ed62444bec61201df7d368a0779e5bd300",
        "https://git.kernel.org/stable/c/599d0498a39319285afa908762e0c9fad29f772e",
        "https://git.kernel.org/stable/c/d7c5bd3159235edb0f2febe2cd3d3b0fb53986f1",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98533.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-98533",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98533.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-98533",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 521322,
  "published_at": "2026-10-18T15:17:51.339+00:00"
}