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ovl: Filter invalid inodes with missing lookup function

Type: advisorySources: OSV

In the Linux kernel, the following vulnerability has been resolved: ovl: Filter invalid inodes with missing lookup function Add a check to the ovl_dentry_weird() function to prevent the processing of directory inodes that lack the lookup function. This is important because such inodes can cause errors in overlayfs when passed to the lowerstack.

Products
Kernel
Affected versions
Not specified
Fixed versions
5.10.231, 5.15.174, 5.4.287, 6.1.120, 6.12.4, 6.6.64
CVEs
CVE-2024-56570
Confirmed fixed CVEs
Not specified
Updated in this feed
3 Nov 2026, 20:07 UTC · Revision 1

Source evidence

ovl: Filter invalid inodes with missing lookup function

core-osv · Original source

Published 27 Dec 2024, 14:23 UTC

In the Linux kernel, the following vulnerability has been resolved: ovl: Filter invalid inodes with missing lookup function Add a check to the ovl_dentry_weird() function to prevent the processing of directory inodes that lack the lookup function. This is important because such inodes can cause errors in overlayfs when passed to the lowerstack.

osv:CVE-2024-56570

Kernel

Fixed versions: 5.4.287, 5.10.231, 5.15.174, 6.1.120, 6.6.64, 6.12.4

Complete source record
{
  "id": "0c60ee2ab1a8342bb2c3e359be22df44ac017952bbb3e4166a0ee4c5d9d82410",
  "url": "https://osv.dev/vulnerability/CVE-2024-56570",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "ovl: Filter invalid inodes with missing lookup function",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: ovl: Filter invalid inodes with missing lookup function Add a check to the ovl_dentry_weird() function to prevent the processing of directory inodes that lack the lookup function. This is important because such inodes can cause errors in overlayfs when passed to the lowerstack.",
    "evidence": "osv:CVE-2024-56570",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.4.287",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.10.231",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.15.174",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.1.120",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.6.64",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.12.4",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2024-56570",
      "aliases": [
        "CVE-2024-56570"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "e9be9d5e76e34872f0c37d72e25bc27fe9e2c54c"
                },
                {
                  "fixed": "f9248e2f73fb4afe08324485e98c815ac084d166"
                },
                {
                  "fixed": "5f86e79c0b2287ffdabe6c1b305a36c4e0f40fe3"
                },
                {
                  "fixed": "749eac5a6687ec99116e0691d0d71225254654e3"
                },
                {
                  "fixed": "ff43d008bbf9b27ada434d6455f039a5ef6cee53"
                },
                {
                  "fixed": "065bf5dd21639f80e68450de16bda829784dbb8c"
                },
                {
                  "fixed": "72014e7745cc8250bb8f27bd78694dfd3f1b5773"
                },
                {
                  "fixed": "c8b359dddb418c60df1a69beea01d1b3322bfe83"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-56570.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "3.18.0"
                },
                {
                  "fixed": "5.4.287"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.5.0"
                },
                {
                  "fixed": "5.10.231"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.11.0"
                },
                {
                  "fixed": "5.15.174"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.16.0"
                },
                {
                  "fixed": "6.1.120"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.2.0"
                },
                {
                  "fixed": "6.6.64"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.7.0"
                },
                {
                  "fixed": "6.12.4"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-56570.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:31.905605559Z",
      "provider": "osv",
      "references": [
        "https://cert-portal.siemens.com/productcert/html/ssa-355557.html",
        "https://cert-portal.siemens.com/productcert/html/ssa-398330.html",
        "https://git.kernel.org/stable/c/065bf5dd21639f80e68450de16bda829784dbb8c",
        "https://git.kernel.org/stable/c/5f86e79c0b2287ffdabe6c1b305a36c4e0f40fe3",
        "https://git.kernel.org/stable/c/72014e7745cc8250bb8f27bd78694dfd3f1b5773",
        "https://git.kernel.org/stable/c/749eac5a6687ec99116e0691d0d71225254654e3",
        "https://git.kernel.org/stable/c/c8b359dddb418c60df1a69beea01d1b3322bfe83",
        "https://git.kernel.org/stable/c/f9248e2f73fb4afe08324485e98c815ac084d166",
        "https://git.kernel.org/stable/c/ff43d008bbf9b27ada434d6455f039a5ef6cee53",
        "https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html",
        "https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/56xxx/CVE-2024-56570.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-56570",
        "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/2024/56xxx/CVE-2024-56570.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-56570",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 498884,
  "published_at": "2024-12-27T14:23:13.273+00:00"
}