ipe: fix use-after-free when auditing a newly loaded policy

{
  "id": "e23c498b13dad7a242eb0ed6cc0211f85599c324f12a77ad33273f25e19ee247",
  "url": "https://osv.dev/vulnerability/CVE-2026-98534",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "ipe: fix use-after-free when auditing a newly loaded policy",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: ipe: fix use-after-free when auditing a newly loaded policy new_policy() audits the policy after ipe_new_policyfs_node() publishes it and drops the new directory's inode lock. A concurrent delete can free the policy while ipe_audit_policy_load() is still using it. Audit the successful load under that lock. [FW: remove model name according to latest guideline]",
    "evidence": "osv:CVE-2026-98534",
    "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-2026-98534",
      "aliases": [
        "CVE-2026-98534"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "f44554b5067b36c14cc91ed811fa1bd58baed34a"
                },
                {
                  "fixed": "b72d6c72b4bfbc021e8e127fa13e0f27d09be737"
                },
                {
                  "fixed": "48f7d0233c3cc8d986d1177d0e5dd4af435e7265"
                },
                {
                  "fixed": "e9015d32752fa228ef2f0e07fd93fc53a4a4c723"
                },
                {
                  "fixed": "9814077275eca36ebf8d510d2f076d235ff9f51a"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-98534.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-2026-98534.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:38.717685980Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/48f7d0233c3cc8d986d1177d0e5dd4af435e7265",
        "https://git.kernel.org/stable/c/9814077275eca36ebf8d510d2f076d235ff9f51a",
        "https://git.kernel.org/stable/c/b72d6c72b4bfbc021e8e127fa13e0f27d09be737",
        "https://git.kernel.org/stable/c/e9015d32752fa228ef2f0e07fd93fc53a4a4c723",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98534.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-98534",
        "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-2026-98534.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-98534",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 506299,
  "published_at": "2026-10-18T15:17:57.236+00:00"
}