ubi: Fix unreferenced object reported by kmemleak in ubi_resize_volume()

{
  "id": "c99d2314c54f8564effa99a39b1dc4fd590e5381ff0b25ac858df0276428a6c1",
  "url": "https://osv.dev/vulnerability/CVE-2023-53271",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "ubi: Fix unreferenced object reported by kmemleak in ubi_resize_volume()",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: ubi: Fix unreferenced object reported by kmemleak in ubi_resize_volume() There is a memory leaks problem reported by kmemleak: unreferenced object 0xffff888102007a00 (size 128): comm \"ubirsvol\", pid 32090, jiffies 4298464136 (age 2361.231s) hex dump (first 32 bytes): ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ backtrace: [] __kmalloc+0x4d/0x150 [] ubi_eba_create_table+0x76/0x170 [ubi] [] ubi_resize_volume+0x1be/0xbc0 [ubi] [] ubi_cdev_ioctl+0x701/0x1850 [ubi] [] __x64_sys_ioctl+0x11d/0x170 [] do_syscall_64+0x35/0x80 [] entry_SYSCALL_64_after_hwframe+0x46/0xb0 This is due to a mismatch between create and destroy interfaces, and in detail that \"new_eba_tbl\" created by ubi_eba_create_table() but destroyed by kfree(), while will causing \"new_eba_tbl->entries\" not freed. Fix it by replacing kfree(new_eba_tbl) with ubi_eba_destroy_table(new_eba_tbl)",
    "evidence": "osv:CVE-2023-53271",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.14.308",
            "evidence": "/affected/1/ranges"
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            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.4.235",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.10.173",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.15.100",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.1.18",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.2.5",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "CVE-2023-53271",
      "aliases": [
        "CVE-2023-53271"
      ],
      "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": [
        {
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              "events": [
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                {
                  "fixed": "26ec2d66aecab8ff997b912c20247fedba4f5740"
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                {
                  "fixed": "07b60f7452d2fa731737552937cb81821919f874"
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        },
        {
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              "type": "ECOSYSTEM",
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                  "introduced": "4.9.0"
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          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
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      ],
      "modified": "2026-10-28T02:30:26.963023819Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/07b60f7452d2fa731737552937cb81821919f874",
        "https://git.kernel.org/stable/c/09780a44093b53f9cbca76246af2e4ff0884e512",
        "https://git.kernel.org/stable/c/1e591ea072df7211f64542a09482b5f81cb3ad27",
        "https://git.kernel.org/stable/c/26ec2d66aecab8ff997b912c20247fedba4f5740",
        "https://git.kernel.org/stable/c/27b760b81951d8d5e5c952a696af8574052b0709",
        "https://git.kernel.org/stable/c/31d60afe2cc2b712dbefcaab6b7d6a47036f844e",
        "https://git.kernel.org/stable/c/5c0c81a313492b83bd0c038b8839b0e04eb87563",
        "https://git.kernel.org/stable/c/95a72417dd13ebcdcb1bd0c5d4d15f7c5bfbb288",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53271.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-53271",
        "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-2023-53271.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-53271",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 493154,
  "published_at": "2025-09-16T08:07:00.565+00:00"
}