{
  "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-2024-40922",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2024-40922",
    "idYear": 2024,
    "status": "PUBLISHED",
    "publishedAt": "2024-07-12T12:25:03.570Z",
    "updatedAt": "2026-05-11T20:22:25.683Z",
    "importedAt": "2026-10-24T01:57:16.009Z",
    "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_uring/rsrc: don't lock while !TASK_RUNNING",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nio_uring/rsrc: don't lock while !TASK_RUNNING\n\nThere is a report of io_rsrc_ref_quiesce() locking a mutex while not\nTASK_RUNNING, which is due to forgetting restoring the state back after\nio_run_task_work_sig() and attempts to break out of the waiting loop.\n\ndo not call blocking ops when !TASK_RUNNING; state=1 set at\n[<ffffffff815d2494>] prepare_to_wait+0xa4/0x380\nkernel/sched/wait.c:237\nWARNING: CPU: 2 PID: 397056 at kernel/sched/core.c:10099\n__might_sleep+0x114/0x160 kernel/sched/core.c:10099\nRIP: 0010:__might_sleep+0x114/0x160 kernel/sched/core.c:10099\nCall Trace:\n <TASK>\n __mutex_lock_common kernel/locking/mutex.c:585 [inline]\n __mutex_lock+0xb4/0x940 kernel/locking/mutex.c:752\n io_rsrc_ref_quiesce+0x590/0x940 io_uring/rsrc.c:253\n io_sqe_buffers_unregister+0xa2/0x340 io_uring/rsrc.c:799\n __io_uring_register io_uring/register.c:424 [inline]\n __do_sys_io_uring_register+0x5b9/0x2400 io_uring/register.c:613\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0xd8/0x270 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x6f/0x77",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "4ea15b56f0810f0d8795d475db1bb74b3a7c1b2f",
              "status": "affected",
              "versionType": "git",
              "lessThan": "0c9df3df0c888d9ec8d11a68474a4aa04d371cff"
            },
            {
              "version": "4ea15b56f0810f0d8795d475db1bb74b3a7c1b2f",
              "status": "affected",
              "versionType": "git",
              "lessThan": "4429c6c77e176a4c5aa7a3bbd1632f9fc0582518"
            },
            {
              "version": "4ea15b56f0810f0d8795d475db1bb74b3a7c1b2f",
              "status": "affected",
              "versionType": "git",
              "lessThan": "54559642b96116b45e4b5ca7fd9f7835b8561272"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.4",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.4"
            },
            {
              "version": "6.6.35",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.9.6",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.9.*"
            },
            {
              "version": "6.10",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}