{
  "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-2022-48931",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-48931",
    "idYear": 2022,
    "status": "PUBLISHED",
    "publishedAt": "2024-08-22T03:31:24.823Z",
    "updatedAt": "2026-05-11T18:49:55.167Z",
    "importedAt": "2026-10-24T01:56:45.230Z",
    "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": "configfs: fix a race in configfs_{,un}register_subsystem()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nconfigfs: fix a race in configfs_{,un}register_subsystem()\n\nWhen configfs_register_subsystem() or configfs_unregister_subsystem()\nis executing link_group() or unlink_group(),\nit is possible that two processes add or delete list concurrently.\nSome unfortunate interleavings of them can cause kernel panic.\n\nOne of cases is:\nA --> B --> C --> D\nA <-- B <-- C <-- D\n\n     delete list_head *B        |      delete list_head *C\n--------------------------------|-----------------------------------\nconfigfs_unregister_subsystem   |   configfs_unregister_subsystem\n  unlink_group                  |     unlink_group\n    unlink_obj                  |       unlink_obj\n      list_del_init             |         list_del_init\n        __list_del_entry        |           __list_del_entry\n          __list_del            |             __list_del\n            // next == C        |\n            next->prev = prev   |\n                                |               next->prev = prev\n            prev->next = next   |\n                                |                 // prev == B\n                                |                 prev->next = next\n\nFix this by adding mutex when calling link_group() or unlink_group(),\nbut parent configfs_subsystem is NULL when config_item is root.\nSo I create a mutex configfs_subsystem_mutex.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "7063fbf2261194f72ee75afca67b3b38b554b5fa",
              "status": "affected",
              "versionType": "git",
              "lessThan": "40805099af11f68c5ca7dbcfacf455da8f99f622"
            },
            {
              "version": "7063fbf2261194f72ee75afca67b3b38b554b5fa",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d1654de19d42f513b6cfe955cc77e7f427e05a77"
            },
            {
              "version": "7063fbf2261194f72ee75afca67b3b38b554b5fa",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a37024f7757c25550accdebf49e497ad6ae239fe"
            },
            {
              "version": "7063fbf2261194f72ee75afca67b3b38b554b5fa",
              "status": "affected",
              "versionType": "git",
              "lessThan": "b7e2b91fcb5c78c414e33dc8d50642e307ca0c5a"
            },
            {
              "version": "7063fbf2261194f72ee75afca67b3b38b554b5fa",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a7ab53d3c27dfe83bb594456b9f38a37796ec39b"
            },
            {
              "version": "7063fbf2261194f72ee75afca67b3b38b554b5fa",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e7a66dd2687758718eddd79b542a95cf3aa488cc"
            },
            {
              "version": "7063fbf2261194f72ee75afca67b3b38b554b5fa",
              "status": "affected",
              "versionType": "git",
              "lessThan": "3aadfd46858b1f64d4d6a0654b863e21aabff975"
            },
            {
              "version": "7063fbf2261194f72ee75afca67b3b38b554b5fa",
              "status": "affected",
              "versionType": "git",
              "lessThan": "84ec758fb2daa236026506868c8796b0500c047d"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "2.6.16",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "2.6.16"
            },
            {
              "version": "4.9.304",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.9.*"
            },
            {
              "version": "4.14.269",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.14.*"
            },
            {
              "version": "4.19.232",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.19.*"
            },
            {
              "version": "5.4.182",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.103",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.26",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "5.16.12",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.16.*"
            },
            {
              "version": "5.17",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}