{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "4611ce22468895acd61fee9ac1da810d60617d9a"
            },
            {
              "fixed": "8e0681dd4eee029eb1d533d06993f7cb091efb73"
            },
            {
              "fixed": "17afa98bccec4f52203508b3f49b5f948c6fd6ac"
            },
            {
              "fixed": "7337adb20fcc0aebb50eaff2bc5a8dd9a7c6743d"
            },
            {
              "fixed": "6cfa9e60c0f88fdec6368e081ab968411cc706b1"
            },
            {
              "fixed": "34c3a47d20ae55b3600fed733bf96eafe9c500d5"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50382.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\npadata: Always leave BHs disabled when running -\u003eparallel()\n\nA deadlock can happen when an overloaded system runs -\u003eparallel() in the\ncontext of the current task:\n\n    padata_do_parallel\n      -\u003eparallel()\n        pcrypt_aead_enc/dec\n          padata_do_serial\n            spin_lock(\u0026reorder-\u003elock) // BHs still enabled\n              \u003cinterrupt\u003e\n                ...\n                  __do_softirq\n                    ...\n                      padata_do_serial\n                        spin_lock(\u0026reorder-\u003elock)\n\nIt's a bug for BHs to be on in _do_serial as Steffen points out, so\nensure they're off in the \"current task\" case like they are in\npadata_parallel_worker to avoid this situation.",
  "id": "CVE-2022-50382",
  "modified": "2026-04-01T23:08:49.808793123Z",
  "published": "2025-09-18T13:33:04.193Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/17afa98bccec4f52203508b3f49b5f948c6fd6ac"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/34c3a47d20ae55b3600fed733bf96eafe9c500d5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6cfa9e60c0f88fdec6368e081ab968411cc706b1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7337adb20fcc0aebb50eaff2bc5a8dd9a7c6743d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8e0681dd4eee029eb1d533d06993f7cb091efb73"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50382.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-50382"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.3",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "padata: Always leave BHs disabled when running -\u003eparallel()"
}