CVE-2026-98534 (GCVE-0-2026-98534)
Vulnerability from cvelistv5
Published
2026-10-18 15:17
Modified
2026-10-19 09:21
Severity ?
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]
References
Impacted products
Vendor Product Version
Linux Linux Version: f44554b5067b36c14cc91ed811fa1bd58baed34a
Version: f44554b5067b36c14cc91ed811fa1bd58baed34a
Version: f44554b5067b36c14cc91ed811fa1bd58baed34a
Version: f44554b5067b36c14cc91ed811fa1bd58baed34a
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "security/ipe/fs.c",
            "security/ipe/policy_fs.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "b72d6c72b4bfbc021e8e127fa13e0f27d09be737",
              "status": "affected",
              "version": "f44554b5067b36c14cc91ed811fa1bd58baed34a",
              "versionType": "git"
            },
            {
              "lessThan": "48f7d0233c3cc8d986d1177d0e5dd4af435e7265",
              "status": "affected",
              "version": "f44554b5067b36c14cc91ed811fa1bd58baed34a",
              "versionType": "git"
            },
            {
              "lessThan": "e9015d32752fa228ef2f0e07fd93fc53a4a4c723",
              "status": "affected",
              "version": "f44554b5067b36c14cc91ed811fa1bd58baed34a",
              "versionType": "git"
            },
            {
              "lessThan": "9814077275eca36ebf8d510d2f076d235ff9f51a",
              "status": "affected",
              "version": "f44554b5067b36c14cc91ed811fa1bd58baed34a",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "security/ipe/fs.c",
            "security/ipe/policy_fs.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.12"
            },
            {
              "lessThan": "6.12",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.112",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.55",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.2.*",
              "status": "unaffected",
              "version": "7.2.9",
              "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": "6.12.112",
                  "versionStartIncluding": "6.12",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.55",
                  "versionStartIncluding": "6.12",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.2.9",
                  "versionStartIncluding": "6.12",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.3",
                  "versionStartIncluding": "6.12",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipe: fix use-after-free when auditing a newly loaded policy\n\nnew_policy() audits the policy after ipe_new_policyfs_node() publishes it\nand drops the new directory\u0027s inode lock. A concurrent delete can free\nthe policy while ipe_audit_policy_load() is still using it.\n\nAudit the successful load under that lock.\n\n[FW: remove model name according to latest guideline]"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-19T09:21:17.763Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/b72d6c72b4bfbc021e8e127fa13e0f27d09be737"
        },
        {
          "url": "https://git.kernel.org/stable/c/48f7d0233c3cc8d986d1177d0e5dd4af435e7265"
        },
        {
          "url": "https://git.kernel.org/stable/c/e9015d32752fa228ef2f0e07fd93fc53a4a4c723"
        },
        {
          "url": "https://git.kernel.org/stable/c/9814077275eca36ebf8d510d2f076d235ff9f51a"
        }
      ],
      "title": "ipe: fix use-after-free when auditing a newly loaded policy",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-98534",
    "datePublished": "2026-10-18T15:17:57.236Z",
    "dateReserved": "2026-09-25T10:25:14.355Z",
    "dateUpdated": "2026-10-19T09:21:17.763Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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