{
  "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-2021-47438",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2021-47438",
    "idYear": 2021,
    "status": "PUBLISHED",
    "publishedAt": "2024-05-22T06:19:33.537Z",
    "updatedAt": "2026-08-05T08:47:48.724Z",
    "importedAt": "2026-10-24T01:56:36.661Z",
    "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: Fix memory leak in mlx5_core_destroy_cq() error path",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5e: Fix memory leak in mlx5_core_destroy_cq() error path\n\nPrior to this patch in case mlx5_core_destroy_cq() failed it returns\nwithout completing all destroy operations and that leads to memory leak.\nInstead, complete the destroy flow before return error.\n\nAlso move mlx5_debug_cq_remove() to the beginning of mlx5_core_destroy_cq()\nto be symmetrical with mlx5_core_create_cq().\n\nkmemleak complains on:\n\nunreferenced object 0xc000000038625100 (size 64):\n  comm \"ethtool\", pid 28301, jiffies 4298062946 (age 785.380s)\n  hex dump (first 32 bytes):\n    60 01 48 94 00 00 00 c0 b8 05 34 c3 00 00 00 c0  `.H.......4.....\n    02 00 00 00 00 00 00 00 00 db 7d c1 00 00 00 c0  ..........}.....\n  backtrace:\n    [<000000009e8643cb>] add_res_tree+0xd0/0x270 [mlx5_core]\n    [<00000000e7cb8e6c>] mlx5_debug_cq_add+0x5c/0xc0 [mlx5_core]\n    [<000000002a12918f>] mlx5_core_create_cq+0x1d0/0x2d0 [mlx5_core]\n    [<00000000cef0a696>] mlx5e_create_cq+0x210/0x3f0 [mlx5_core]\n    [<000000009c642c26>] mlx5e_open_cq+0xb4/0x130 [mlx5_core]\n    [<0000000058dfa578>] mlx5e_ptp_open+0x7f4/0xe10 [mlx5_core]\n    [<0000000081839561>] mlx5e_open_channels+0x9cc/0x13e0 [mlx5_core]\n    [<0000000009cf05d4>] mlx5e_switch_priv_channels+0xa4/0x230\n[mlx5_core]\n    [<0000000042bbedd8>] mlx5e_safe_switch_params+0x14c/0x300\n[mlx5_core]\n    [<0000000004bc9db8>] set_pflag_tx_port_ts+0x9c/0x160 [mlx5_core]\n    [<00000000a0553443>] mlx5e_set_priv_flags+0xd0/0x1b0 [mlx5_core]\n    [<00000000a8f3d84b>] ethnl_set_privflags+0x234/0x2d0\n    [<00000000fd27f27c>] genl_family_rcv_msg_doit+0x108/0x1d0\n    [<00000000f495e2bb>] genl_family_rcv_msg+0xe4/0x1f0\n    [<00000000646c5c2c>] genl_rcv_msg+0x78/0x120\n    [<00000000d53e384e>] netlink_rcv_skb+0x74/0x1a0",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "e126ba97dba9edeb6fafa3665b5f8497fc9cdf8c",
              "status": "affected",
              "versionType": "git",
              "lessThan": "4f7bddf8c5c01cac74373443b13a68e1c6723a94"
            },
            {
              "version": "e126ba97dba9edeb6fafa3665b5f8497fc9cdf8c",
              "status": "affected",
              "versionType": "git",
              "lessThan": "ed8aafea4fec9c654e63445236e0b505e27ed3a7"
            },
            {
              "version": "e126ba97dba9edeb6fafa3665b5f8497fc9cdf8c",
              "status": "affected",
              "versionType": "git",
              "lessThan": "94b960b9deffc02fc0747afc01f72cc62ab099e3"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "3.11",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "3.11"
            },
            {
              "version": "5.10.75",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.14.14",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.14.*"
            },
            {
              "version": "5.15",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}