{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2023-53720",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-53720",
    "idYear": 2023,
    "status": "PUBLISHED",
    "publishedAt": "2025-10-22T13:23:52.123Z",
    "updatedAt": "2026-05-11T19:50:33.183Z",
    "importedAt": "2026-10-24T01:57:03.413Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "net/mlx5e: Release the label when replacing existing ct entry",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5e: Release the label when replacing existing ct entry\n\nCited commit doesn't release the label mapping when replacing existing ct\nentry which leads to following memleak report:\n\nunreferenced object 0xffff8881854cf280 (size 96):\n  comm \"kworker/u48:74\", pid 23093, jiffies 4296664564 (age 175.944s)\n  hex dump (first 32 bytes):\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n  backtrace:\n    [<000000002722d368>] __kmalloc+0x4b/0x1c0\n    [<00000000cc44e18f>] mapping_add+0x6e8/0xc90 [mlx5_core]\n    [<000000003ad942a7>] mlx5_get_label_mapping+0x66/0xe0 [mlx5_core]\n    [<00000000266308ac>] mlx5_tc_ct_entry_create_mod_hdr+0x1c4/0xf50 [mlx5_core]\n    [<000000009a768b4f>] mlx5_tc_ct_entry_add_rule+0x16f/0xaf0 [mlx5_core]\n    [<00000000a178f3e5>] mlx5_tc_ct_block_flow_offload_add+0x10cb/0x1f90 [mlx5_core]\n    [<000000007b46c496>] mlx5_tc_ct_block_flow_offload+0x14a/0x630 [mlx5_core]\n    [<00000000a9a18ac5>] nf_flow_offload_tuple+0x1a3/0x390 [nf_flow_table]\n    [<00000000d0881951>] flow_offload_work_handler+0x257/0xd30 [nf_flow_table]\n    [<000000009e4935a4>] process_one_work+0x7c2/0x13e0\n    [<00000000f5cd36a7>] worker_thread+0x59d/0xec0\n    [<00000000baed1daf>] kthread+0x28f/0x330\n    [<0000000063d282a4>] ret_from_fork+0x1f/0x30\n\nFix the issue by correctly releasing the label mapping.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "94ceffb48eac7692677d8093dcde6965b70c4b35",
              "status": "affected",
              "versionType": "git",
              "lessThan": "3db903a71f1f4bbf30baae166a4a49f2e8aceb61"
            },
            {
              "version": "94ceffb48eac7692677d8093dcde6965b70c4b35",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8ac04a28144cfa89b61be518268233742c23d88d"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.3",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.3"
            },
            {
              "version": "6.3.2",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.3.*"
            },
            {
              "version": "6.4",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}