{
  "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-2022-50639",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-50639",
    "idYear": 2022,
    "status": "PUBLISHED",
    "publishedAt": "2025-12-09T00:00:12.576Z",
    "updatedAt": "2026-05-11T19:22:44.249Z",
    "importedAt": "2026-10-24T01:56:49.724Z",
    "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": "io-wq: Fix memory leak in worker creation",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nio-wq: Fix memory leak in worker creation\n\nIf the CPU mask allocation for a node fails, then the memory allocated for\nthe 'io_wqe' struct of the current node doesn't get freed on the error\nhandling path, since it has not yet been added to the 'wqes' array.\n\nThis was spotted when fuzzing v6.1-rc1 with Syzkaller:\nBUG: memory leak\nunreferenced object 0xffff8880093d5000 (size 1024):\n  comm \"syz-executor.2\", pid 7701, jiffies 4295048595 (age 13.900s)\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    [<00000000cb463369>] __kmem_cache_alloc_node+0x18e/0x720\n    [<00000000147a3f9c>] kmalloc_node_trace+0x2a/0x130\n    [<000000004e107011>] io_wq_create+0x7b9/0xdc0\n    [<00000000c38b2018>] io_uring_alloc_task_context+0x31e/0x59d\n    [<00000000867399da>] __io_uring_add_tctx_node.cold+0x19/0x1ba\n    [<000000007e0e7a79>] io_uring_setup.cold+0x1b80/0x1dce\n    [<00000000b545e9f6>] __x64_sys_io_uring_setup+0x5d/0x80\n    [<000000008a8a7508>] do_syscall_64+0x5d/0x90\n    [<000000004ac08bec>] entry_SYSCALL_64_after_hwframe+0x63/0xcd",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0e03496d1967abf1ebb151a24318c07d07f41f7f",
              "status": "affected",
              "versionType": "git",
              "lessThan": "b6e2c54be37d5eb4f6666e6aa59cd0581c7ffc3c"
            },
            {
              "version": "0e03496d1967abf1ebb151a24318c07d07f41f7f",
              "status": "affected",
              "versionType": "git",
              "lessThan": "ed981911a7c90a604f4a2bee908ab07e3b786aca"
            },
            {
              "version": "0e03496d1967abf1ebb151a24318c07d07f41f7f",
              "status": "affected",
              "versionType": "git",
              "lessThan": "996d3efeb091c503afd3ee6b5e20eabf446fd955"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.14",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.14"
            },
            {
              "version": "5.15.75",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.0.4",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.0.*"
            },
            {
              "version": "6.1",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}