CVE-2025-21830 (GCVE-0-2025-21830)

Vulnerability from cvelistv5 – Published: 2025-03-06 16:08 – Updated: 2026-10-15 21:51
VLAI
Title
landlock: Handle weird files
Summary
In the Linux kernel, the following vulnerability has been resolved: landlock: Handle weird files A corrupted filesystem (e.g. bcachefs) might return weird files. Instead of throwing a warning and allowing access to such file, treat them as regular files.
Severity
7.3 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-15 21:43 UTC
Assigner
Linux CNA under the mitre root
CNA scorecard D 53/100 over 6664 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: cb2c7d1a1776057c9a1f48ed1250d85e94d4850d , < a1fccf6b72b56343dd4f2d96b008147f9951eebd (git)
Affected: cb2c7d1a1776057c9a1f48ed1250d85e94d4850d , < 7d6121228959ddf44a4b9b6a177384ac7854e2f9 (git)
Affected: cb2c7d1a1776057c9a1f48ed1250d85e94d4850d , < 39bb3d56f1c351e76bb18895d0e73796e653d5c1 (git)
Affected: cb2c7d1a1776057c9a1f48ed1250d85e94d4850d , < 2569e65d2eb6ac1afe6cb6dfae476afee8b6771a (git)
Affected: cb2c7d1a1776057c9a1f48ed1250d85e94d4850d , < 0fde195a373ab1267e60baa9e1a703a97e7464cd (git)
Affected: cb2c7d1a1776057c9a1f48ed1250d85e94d4850d , < 49440290a0935f428a1e43a5ac8dc275a647ff80 (git)
guessed Create a notification for this product.
Linux Linux Affected: 5.13
Unaffected: 0 , < 5.13 (semver)
Unaffected: 5.15.179 , ≤ 5.15.* (semver)
Unaffected: 6.1.129 , ≤ 6.1.* (semver)
Unaffected: 6.6.76 , ≤ 6.6.* (semver)
Unaffected: 6.12.13 , ≤ 6.12.* (semver)
Unaffected: 6.13.2 , ≤ 6.13.* (semver)
Unaffected: 6.14 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem Affected: 0 , < * (custom)
guessed Create a notification for this product.
Show details on NVD website
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            "url": "https://git.kernel.org/stable/c/2569e65d2eb6ac1afe6cb6dfae476afee8b6771a"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/39bb3d56f1c351e76bb18895d0e73796e653d5c1"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/49440290a0935f428a1e43a5ac8dc275a647ff80"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/7d6121228959ddf44a4b9b6a177384ac7854e2f9"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/a1fccf6b72b56343dd4f2d96b008147f9951eebd"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html"
          },
          {
            "source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
            "url": "https://cert-portal.siemens.com/productcert/html/ssa-784472.html"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "NVD-CWE-noinfo"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-10-16T18:37:29+00:00",
      "cve": "CVE-2025-21830",
      "id": "CVE-2025-21830",
      "initial_release_date": "2025-03-06T00:00:00+00:00",
      "product_status:known_affected": "185",
      "product_status:known_not_affected": "90",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: landlock: Handle weird files",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-21830.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-10-16T00:57:49Z",
      "cve": "CVE-2025-21830",
      "id": "CVE-2025-21830",
      "initial_release_date": "2025-03-07T02:37:07Z",
      "product_status:known_affected": "455",
      "product_status:known_not_affected": "345",
      "product_status:recommended": "388",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2025-21830",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/2025/cve-2025-21830.json",
      "version": "43"
    }
  }
}



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