ext4: filesystems without casefold feature cannot be mounted with siphash

{
  "id": "903339a6333545f92ac1b075a301ffc9c1d2ba1026a53c6643480045c0baa2c6",
  "url": "https://osv.dev/vulnerability/CVE-2024-49968",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "ext4: filesystems without casefold feature cannot be mounted with siphash",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: ext4: filesystems without casefold feature cannot be mounted with siphash When mounting the ext4 filesystem, if the default hash version is set to DX_HASH_SIPHASH but the casefold feature is not set, exit the mounting.",
    "evidence": "osv:CVE-2024-49968",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.15.198",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.1.160",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.6.120",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.11.3",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2024-49968",
      "aliases": [
        "CVE-2024-49968"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "471fbbea7ff7061b2d6474665cb5a2ceb4fd6500"
                },
                {
                  "fixed": "86b81d4eab1cd4c56f7447896232cf33472c2395"
                },
                {
                  "fixed": "11bd1c279bac701ba91119875796ffff3b98250e"
                },
                {
                  "fixed": "52c4538a92da6f3242d4140c03ddc5ee71b39ba8"
                },
                {
                  "fixed": "e1373903db6c4ac994de0d18076280ad88e12dee"
                },
                {
                  "fixed": "985b67cd86392310d9e9326de941c22fc9340eec"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-49968.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.13.0"
                },
                {
                  "fixed": "5.15.198"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.16.0"
                },
                {
                  "fixed": "6.1.160"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.2.0"
                },
                {
                  "fixed": "6.6.120"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.7.0"
                },
                {
                  "fixed": "6.11.3"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-49968.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:37.413616666Z",
      "provider": "osv",
      "references": [
        "https://cert-portal.siemens.com/productcert/html/ssa-019113.html",
        "https://cert-portal.siemens.com/productcert/html/ssa-457936.html",
        "https://git.kernel.org/stable/c/11bd1c279bac701ba91119875796ffff3b98250e",
        "https://git.kernel.org/stable/c/52c4538a92da6f3242d4140c03ddc5ee71b39ba8",
        "https://git.kernel.org/stable/c/86b81d4eab1cd4c56f7447896232cf33472c2395",
        "https://git.kernel.org/stable/c/985b67cd86392310d9e9326de941c22fc9340eec",
        "https://git.kernel.org/stable/c/e1373903db6c4ac994de0d18076280ad88e12dee",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/49xxx/CVE-2024-49968.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-49968",
        "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/2024/49xxx/CVE-2024-49968.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-49968",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 504577,
  "published_at": "2024-10-21T18:02:18.369+00:00"
}