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firmware_loader: Fix memory leak in firmware upload

Type: advisorySources: OSV

In the Linux kernel, the following vulnerability has been resolved: firmware_loader: Fix memory leak in firmware upload In the case of firmware-upload, an instance of struct fw_upload is allocated in firmware_upload_register(). This data needs to be freed in fw_dev_release(). Create a new fw_upload_free() function in sysfs_upload.c to handle the firmware-upload specific memory frees and incorporate the missing kfree call for the fw_upload structure.

Products
Kernel
Affected versions
Not specified
Fixed versions
5.19.8
CVEs
CVE-2022-49949
Confirmed fixed CVEs
Not specified
Updated in this feed
2 Nov 2026, 21:50 UTC · Revision 1

Source evidence

firmware_loader: Fix memory leak in firmware upload

core-osv · Original source

Published 18 Jun 2025, 11:00 UTC

In the Linux kernel, the following vulnerability has been resolved: firmware_loader: Fix memory leak in firmware upload In the case of firmware-upload, an instance of struct fw_upload is allocated in firmware_upload_register(). This data needs to be freed in fw_dev_release(). Create a new fw_upload_free() function in sysfs_upload.c to handle the firmware-upload specific memory frees and incorporate the missing kfree call for the fw_upload structure.

osv:CVE-2022-49949

Kernel

Fixed versions: 5.19.8

Complete source record
{
  "id": "677914946ef849a5a637a880c2b0892c4a2152b22a7ba3a7b87c8d9289b4af04",
  "url": "https://osv.dev/vulnerability/CVE-2022-49949",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "firmware_loader: Fix memory leak in firmware upload",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: firmware_loader: Fix memory leak in firmware upload In the case of firmware-upload, an instance of struct fw_upload is allocated in firmware_upload_register(). This data needs to be freed in fw_dev_release(). Create a new fw_upload_free() function in sysfs_upload.c to handle the firmware-upload specific memory frees and incorporate the missing kfree call for the fw_upload structure.",
    "evidence": "osv:CVE-2022-49949",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.19.8",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2022-49949",
      "aliases": [
        "CVE-2022-49949"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "97730bbb242cde22b7140acd202ffd88823886c9"
                },
                {
                  "fixed": "baf92485d111be828e1ab84a995515b604b938e5"
                },
                {
                  "fixed": "789bba82f63c3e81dce426ba457fc7905b30ac6e"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49949.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.19.0"
                },
                {
                  "fixed": "5.19.8"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49949.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:23.922596247Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/789bba82f63c3e81dce426ba457fc7905b30ac6e",
        "https://git.kernel.org/stable/c/baf92485d111be828e1ab84a995515b604b938e5",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49949.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-49949",
        "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-2022-49949.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2022-49949",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 490364,
  "published_at": "2025-06-18T11:00:13.277+00:00"
}