{
  "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-2025-21803",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-21803",
    "idYear": 2025,
    "status": "PUBLISHED",
    "publishedAt": "2025-02-27T20:00:56.932Z",
    "updatedAt": "2026-05-11T21:06:50.207Z",
    "importedAt": "2026-10-24T01:57:29.455Z",
    "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": "LoongArch: Fix warnings during S3 suspend",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nLoongArch: Fix warnings during S3 suspend\n\nThe enable_gpe_wakeup() function calls acpi_enable_all_wakeup_gpes(),\nand the later one may call the preempt_schedule_common() function,\nresulting in a thread switch and causing the CPU to be in an interrupt\nenabled state after the enable_gpe_wakeup() function returns, leading\nto the warnings as follow.\n\n[ C0] WARNING: ... at kernel/time/timekeeping.c:845 ktime_get+0xbc/0xc8\n[ C0]          ...\n[ C0] Call Trace:\n[ C0] [<90000000002243b4>] show_stack+0x64/0x188\n[ C0] [<900000000164673c>] dump_stack_lvl+0x60/0x88\n[ C0] [<90000000002687e4>] __warn+0x8c/0x148\n[ C0] [<90000000015e9978>] report_bug+0x1c0/0x2b0\n[ C0] [<90000000016478e4>] do_bp+0x204/0x3b8\n[ C0] [<90000000025b1924>] exception_handlers+0x1924/0x10000\n[ C0] [<9000000000343bbc>] ktime_get+0xbc/0xc8\n[ C0] [<9000000000354c08>] tick_sched_timer+0x30/0xb0\n[ C0] [<90000000003408e0>] __hrtimer_run_queues+0x160/0x378\n[ C0] [<9000000000341f14>] hrtimer_interrupt+0x144/0x388\n[ C0] [<9000000000228348>] constant_timer_interrupt+0x38/0x48\n[ C0] [<90000000002feba4>] __handle_irq_event_percpu+0x64/0x1e8\n[ C0] [<90000000002fed48>] handle_irq_event_percpu+0x20/0x80\n[ C0] [<9000000000306b9c>] handle_percpu_irq+0x5c/0x98\n[ C0] [<90000000002fd4a0>] generic_handle_domain_irq+0x30/0x48\n[ C0] [<9000000000d0c7b0>] handle_cpu_irq+0x70/0xa8\n[ C0] [<9000000001646b30>] handle_loongarch_irq+0x30/0x48\n[ C0] [<9000000001646bc8>] do_vint+0x80/0xe0\n[ C0] [<90000000002aea1c>] finish_task_switch.isra.0+0x8c/0x2a8\n[ C0] [<900000000164e34c>] __schedule+0x314/0xa48\n[ C0] [<900000000164ead8>] schedule+0x58/0xf0\n[ C0] [<9000000000294a2c>] worker_thread+0x224/0x498\n[ C0] [<900000000029d2f0>] kthread+0xf8/0x108\n[ C0] [<9000000000221f28>] ret_from_kernel_thread+0xc/0xa4\n[ C0]\n[ C0] ---[ end trace 0000000000000000 ]---\n\nThe root cause is acpi_enable_all_wakeup_gpes() uses a mutex to protect\nacpi_hw_enable_all_wakeup_gpes(), and acpi_ut_acquire_mutex() may cause\na thread switch. Since there is no longer concurrent execution during\nloongarch_acpi_suspend(), we can call acpi_hw_enable_all_wakeup_gpes()\ndirectly in enable_gpe_wakeup().\n\nThe solution is similar to commit 22db06337f590d01 (\"ACPI: sleep: Avoid\nbreaking S3 wakeup due to might_sleep()\").",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "366bb35a8e48198cefcd3484ac6b2374d1347873",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d49ab6857d98266010f3446c9c2063014db5b654"
            },
            {
              "version": "366bb35a8e48198cefcd3484ac6b2374d1347873",
              "status": "affected",
              "versionType": "git",
              "lessThan": "194d26a5a43c26dc98a9b4e2c1d521dcb84dd1bf"
            },
            {
              "version": "366bb35a8e48198cefcd3484ac6b2374d1347873",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8682a71a7f6de7c683f31b4334b04e19685a05f9"
            },
            {
              "version": "366bb35a8e48198cefcd3484ac6b2374d1347873",
              "status": "affected",
              "versionType": "git",
              "lessThan": "26c0a2d93af55d30a46d5f45d3e9c42cde730168"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.2",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.2"
            },
            {
              "version": "6.6.76",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.13",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.13.2",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.13.*"
            },
            {
              "version": "6.14",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}