ceph: fix memory leak in ceph_readdir when note_last_dentry returns error

{
  "id": "10124953e3a94ee29ce8871b332917101ad19dc56abf61f422268b7980142605",
  "url": "https://osv.dev/vulnerability/CVE-2022-49107",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "ceph: fix memory leak in ceph_readdir when note_last_dentry returns error",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: ceph: fix memory leak in ceph_readdir when note_last_dentry returns error Reset the last_readdir at the same time, and add a comment explaining why we don't free last_readdir when dir_emit returns false.",
    "evidence": "osv:CVE-2022-49107",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.10.111",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.15.34",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.16.20",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.17.3",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "CVE-2022-49107",
      "aliases": [
        "CVE-2022-49107"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
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                  "introduced": "2817b000b02c5f0c05af67c01fb2684e1381d6ef"
                },
                {
                  "fixed": "f4429786129648a8f4bb1e5faa143c4478cc5c4a"
                },
                {
                  "fixed": "2fe82d3254029ef9ec4e7be890125d5ef4f537de"
                },
                {
                  "fixed": "e792575b902a3939ca482491ee9fb3a236f99640"
                },
                {
                  "fixed": "7f740ede35132d3d5d19747cad56a511d21bb156"
                },
                {
                  "fixed": "f639d9867eea647005dc824e0e24f39ffc50d4e4"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49107.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "2.6.34"
                },
                {
                  "fixed": "5.10.111"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.11.0"
                },
                {
                  "fixed": "5.15.34"
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              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.16.0"
                },
                {
                  "fixed": "5.16.20"
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              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.17.0"
                },
                {
                  "fixed": "5.17.3"
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              ]
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          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49107.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:24.959301010Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/2fe82d3254029ef9ec4e7be890125d5ef4f537de",
        "https://git.kernel.org/stable/c/7f740ede35132d3d5d19747cad56a511d21bb156",
        "https://git.kernel.org/stable/c/e792575b902a3939ca482491ee9fb3a236f99640",
        "https://git.kernel.org/stable/c/f4429786129648a8f4bb1e5faa143c4478cc5c4a",
        "https://git.kernel.org/stable/c/f639d9867eea647005dc824e0e24f39ffc50d4e4",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49107.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-49107",
        "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-2022-49107.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2022-49107",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 491308,
  "published_at": "2025-02-26T01:54:54.493+00:00"
}