idpf: fix memory leak in idpf_vport_rel()

{
  "id": "b253a9db3679d5d30f710a1b3976aa4d020afd36cce15da4462ecbf4b1bb1b6a",
  "url": "https://osv.dev/vulnerability/CVE-2026-23023",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "idpf: fix memory leak in idpf_vport_rel()",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: idpf: fix memory leak in idpf_vport_rel() Free vport->rx_ptype_lkup in idpf_vport_rel() to avoid leaking memory during a reset. Reported by kmemleak: unreferenced object 0xff450acac838a000 (size 4096): comm \"kworker/u258:5\", pid 7732, jiffies 4296830044 hex dump (first 32 bytes): 00 00 00 00 00 10 00 00 00 10 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 10 00 00 00 00 00 00 ................ backtrace (crc 3da81902): __kmalloc_cache_noprof+0x469/0x7a0 idpf_send_get_rx_ptype_msg+0x90/0x570 [idpf] idpf_init_task+0x1ec/0x8d0 [idpf] process_one_work+0x226/0x6d0 worker_thread+0x19e/0x340 kthread+0x10f/0x250 ret_from_fork+0x251/0x2b0 ret_from_fork_asm+0x1a/0x30",
    "evidence": "osv:CVE-2026-23023",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.12.66",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.18.6",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2026-23023",
      "aliases": [
        "CVE-2026-23023"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0fe45467a1041ea3657a7fa3a791c84c104fbd34"
                },
                {
                  "fixed": "a4212d6732e3f674c6cc7d0b642f276d827e8f94"
                },
                {
                  "fixed": "ec602a2a4071eb956d656ba968c58fee09f0622d"
                },
                {
                  "fixed": "f6242b354605faff263ca45882b148200915a3f6"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-23023.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.7.0"
                },
                {
                  "fixed": "6.12.66"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.13.0"
                },
                {
                  "fixed": "6.18.6"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-23023.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:37.493612479Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/a4212d6732e3f674c6cc7d0b642f276d827e8f94",
        "https://git.kernel.org/stable/c/ec602a2a4071eb956d656ba968c58fee09f0622d",
        "https://git.kernel.org/stable/c/f6242b354605faff263ca45882b148200915a3f6",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/23xxx/CVE-2026-23023.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-23023",
        "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/2026/23xxx/CVE-2026-23023.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-23023",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 504565,
  "published_at": "2026-01-31T11:39:06.718+00:00"
}