{
  "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-2023-53281",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-53281",
    "idYear": 2023,
    "status": "PUBLISHED",
    "publishedAt": "2025-09-16T08:11:15.364Z",
    "updatedAt": "2026-05-23T15:28:26.786Z",
    "importedAt": "2026-10-24T01:57:03.413Z",
    "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": "drivers: staging: rtl8723bs: Fix locking in _rtw_join_timeout_handler()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrivers: staging: rtl8723bs: Fix locking in _rtw_join_timeout_handler()\n\nCommit 041879b12ddb (\"drivers: staging: rtl8192bs: Fix deadlock in\nrtw_joinbss_event_prehandle()\") besides fixing the deadlock also\nmodified _rtw_join_timeout_handler() to use spin_[un]lock_irq()\ninstead of spin_[un]lock_bh().\n\n_rtw_join_timeout_handler() calls rtw_do_join() which takes\npmlmepriv->scanned_queue.lock using spin_[un]lock_bh(). This\nspin_unlock_bh() call re-enables softirqs which triggers an oops in\nkernel/softirq.c: __local_bh_enable_ip() when it calls\nlockdep_assert_irqs_enabled():\n\n[  244.506087] WARNING: CPU: 2 PID: 0 at kernel/softirq.c:376 __local_bh_enable_ip+0xa6/0x100\n...\n[  244.509022] Call Trace:\n[  244.509048]  <IRQ>\n[  244.509100]  _rtw_join_timeout_handler+0x134/0x170 [r8723bs]\n[  244.509468]  ? __pfx__rtw_join_timeout_handler+0x10/0x10 [r8723bs]\n[  244.509772]  ? __pfx__rtw_join_timeout_handler+0x10/0x10 [r8723bs]\n[  244.510076]  call_timer_fn+0x95/0x2a0\n[  244.510200]  __run_timers.part.0+0x1da/0x2d0\n\nThis oops is causd by the switch to spin_[un]lock_irq() which disables\nthe IRQs for the entire duration of _rtw_join_timeout_handler().\n\nDisabling the IRQs is not necessary since all code taking this lock\nruns from either user contexts or from softirqs, switch back to\nspin_[un]lock_bh() to fix this.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "ae60744d5fad840b9d056d35b4b652d95e755846",
              "status": "affected",
              "versionType": "git",
              "lessThan": "209850f17717a3b5cc558578bef5631ac7045539"
            },
            {
              "version": "041879b12ddb0c6c83ed9c0bdd10dc82a056f2fc",
              "status": "affected",
              "versionType": "git",
              "lessThan": "2a50e44a66d268ee5db3d177f1fdc1503dbce6e7"
            },
            {
              "version": "041879b12ddb0c6c83ed9c0bdd10dc82a056f2fc",
              "status": "affected",
              "versionType": "git",
              "lessThan": "dc327e87c6d9bfd9ee08e76396b3c0ba848ec554"
            },
            {
              "version": "041879b12ddb0c6c83ed9c0bdd10dc82a056f2fc",
              "status": "affected",
              "versionType": "git",
              "lessThan": "4ab1bace1dd3875371b481ef4301c4671bddea22"
            },
            {
              "version": "041879b12ddb0c6c83ed9c0bdd10dc82a056f2fc",
              "status": "affected",
              "versionType": "git",
              "lessThan": "215792eda008f6a1e7ed9d77fa20d582d22bb114"
            },
            {
              "version": "1f6c99b94ca3caad346876b3e22e3ca3d25bc8ee",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "eca9748d9267a38d532464e3305a38629e9c35a9",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "5.15.47",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.15.111"
            },
            {
              "version": "5.17.15",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.18"
            },
            {
              "version": "5.18.4",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.19"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.19",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.19"
            },
            {
              "version": "5.15.111",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.28",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.2.15",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.2.*"
            },
            {
              "version": "6.3.2",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.3.*"
            },
            {
              "version": "6.4",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}