ubifs: Fix memory leak in ubifs_sysfs_init()

{
  "id": "76e55dbeeec01c13cfe2a13893fda95467b50df2568cc9b78440a79802976ceb",
  "url": "https://osv.dev/vulnerability/CVE-2023-53278",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "ubifs: Fix memory leak in ubifs_sysfs_init()",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: ubifs: Fix memory leak in ubifs_sysfs_init() When insmod ubifs.ko, a kmemleak reported as below: unreferenced object 0xffff88817fb1a780 (size 8): comm \"insmod\", pid 25265, jiffies 4295239702 (age 100.130s) hex dump (first 8 bytes): 75 62 69 66 73 00 ff ff ubifs... backtrace: [] slab_post_alloc_hook+0x9c/0x3c0 [] __kmalloc_track_caller+0x183/0x410 [] kstrdup+0x3a/0x80 [] kstrdup_const+0x66/0x80 [] kvasprintf_const+0x155/0x190 [] kobject_set_name_vargs+0x5b/0x150 [] kobject_set_name+0xbb/0xf0 [] do_one_initcall+0x14c/0x5a0 [] do_init_module+0x1f0/0x660 [] load_module+0x6d7e/0x7590 [] __do_sys_finit_module+0x19f/0x230 [] __x64_sys_finit_module+0x73/0xb0 [] do_syscall_64+0x35/0x80 [] entry_SYSCALL_64_after_hwframe+0x63/0xcd When kset_register() failed, we should call kset_put to cleanup it.",
    "evidence": "osv:CVE-2023-53278",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.1.18",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.2.5",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "CVE-2023-53278",
      "aliases": [
        "CVE-2023-53278"
      ],
      "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": [
                {
                  "introduced": "2e3cbf425804fb44a005e252f88f93dff108c911"
                },
                {
                  "fixed": "1c5fdf2d4647219d2267ccb08c7f2c7095bf3450"
                },
                {
                  "fixed": "d42c2b18c42da7378e67b6414aafe93b65de89d1"
                },
                {
                  "fixed": "203a55f04f66eea1a1ca7e5a302a7f5c99c62327"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53278.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.17.0"
                },
                {
                  "fixed": "6.1.18"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.2.0"
                },
                {
                  "fixed": "6.2.5"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53278.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:50.465892395Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/1c5fdf2d4647219d2267ccb08c7f2c7095bf3450",
        "https://git.kernel.org/stable/c/203a55f04f66eea1a1ca7e5a302a7f5c99c62327",
        "https://git.kernel.org/stable/c/d42c2b18c42da7378e67b6414aafe93b65de89d1",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53278.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-53278",
        "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/2023/53xxx/CVE-2023-53278.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-53278",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 518698,
  "published_at": "2025-09-16T08:11:12.997+00:00"
}