btrfs: zoned: initialize device's zone info for seeding

{
  "id": "1fc1d379a21a883d4727d67584454d3ce75355fc606ce321ffa90751cc1d61b0",
  "url": "https://osv.dev/vulnerability/CVE-2022-49831",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "btrfs: zoned: initialize device's zone info for seeding",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: btrfs: zoned: initialize device's zone info for seeding When performing seeding on a zoned filesystem it is necessary to initialize each zoned device's btrfs_zoned_device_info structure, otherwise mounting the filesystem will cause a NULL pointer dereference. This was uncovered by fstests' testcase btrfs/163.",
    "evidence": "osv:CVE-2022-49831",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.15.79",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.0.9",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2022-49831",
      "aliases": [
        "CVE-2022-49831"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "7365104236ade0bf22edd7724c8fd438b0342ee4"
                },
                {
                  "fixed": "91c38504e589dadbcde47b1cacdfc5b684154d44"
                },
                {
                  "fixed": "544f38a738343d7e75f104e5e9d1ade58d8b71bd"
                },
                {
                  "fixed": "a8d1b1647bf8244a5f270538e9e636e2657fffa3"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49831.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.12.0"
                },
                {
                  "fixed": "5.15.79"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.16.0"
                },
                {
                  "fixed": "6.0.9"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49831.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:52.771596460Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/544f38a738343d7e75f104e5e9d1ade58d8b71bd",
        "https://git.kernel.org/stable/c/91c38504e589dadbcde47b1cacdfc5b684154d44",
        "https://git.kernel.org/stable/c/a8d1b1647bf8244a5f270538e9e636e2657fffa3",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49831.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-49831",
        "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/2022/49xxx/CVE-2022-49831.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2022-49831",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 521542,
  "published_at": "2025-05-01T14:09:49.617+00:00"
}