{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "arch/loongarch/kernel/time.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "b9c379e1d7e141b102f41858c9b8f6f36e7c89a4",
              "status": "affected",
              "version": "fa96b57c149061f71a70bd6582d995f6424fbbf4",
              "versionType": "git"
            },
            {
              "lessThan": "acadbd058fa12b510fbecca11eae22bd6f654250",
              "status": "affected",
              "version": "fa96b57c149061f71a70bd6582d995f6424fbbf4",
              "versionType": "git"
            },
            {
              "lessThan": "bb7a78e343468873bf00b2b181fcfd3c02d8cb56",
              "status": "affected",
              "version": "fa96b57c149061f71a70bd6582d995f6424fbbf4",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "arch/loongarch/kernel/time.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.19"
            },
            {
              "lessThan": "5.19",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.21",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.2.*",
              "status": "unaffected",
              "version": "6.2.8",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.3",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.21",
                  "versionStartIncluding": "5.19",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.2.8",
                  "versionStartIncluding": "5.19",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.3",
                  "versionStartIncluding": "5.19",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nLoongArch: Only call get_timer_irq() once in constant_clockevent_init()\n\nUnder CONFIG_DEBUG_ATOMIC_SLEEP=y and CONFIG_DEBUG_PREEMPT=y, we can see\nthe following messages on LoongArch, this is because using might_sleep()\nin preemption disable context.\n\n[    0.001127] smp: Bringing up secondary CPUs ...\n[    0.001222] Booting CPU#1...\n[    0.001244] 64-bit Loongson Processor probed (LA464 Core)\n[    0.001247] CPU1 revision is: 0014c012 (Loongson-64bit)\n[    0.001250] FPU1 revision is: 00000000\n[    0.001252] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:283\n[    0.001255] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 0, name: swapper/1\n[    0.001257] preempt_count: 1, expected: 0\n[    0.001258] RCU nest depth: 0, expected: 0\n[    0.001259] Preemption disabled at:\n[    0.001261] [\u003c9000000000223800\u003e] arch_dup_task_struct+0x20/0x110\n[    0.001272] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.2.0-rc7+ #43\n[    0.001275] Hardware name: Loongson Loongson-3A5000-7A1000-1w-A2101/Loongson-LS3A5000-7A1000-1w-A2101, BIOS vUDK2018-LoongArch-V4.0.05132-beta10 12/13/202\n[    0.001277] Stack : 0072617764726148 0000000000000000 9000000000222f1c 90000001001e0000\n[    0.001286]         90000001001e3be0 90000001001e3be8 0000000000000000 0000000000000000\n[    0.001292]         90000001001e3be8 0000000000000040 90000001001e3cb8 90000001001e3a50\n[    0.001297]         9000000001642000 90000001001e3be8 be694d10ce4139dd 9000000100174500\n[    0.001303]         0000000000000001 0000000000000001 00000000ffffe0a2 0000000000000020\n[    0.001309]         000000000000002f 9000000001354116 00000000056b0000 ffffffffffffffff\n[    0.001314]         0000000000000000 0000000000000000 90000000014f6e90 9000000001642000\n[    0.001320]         900000000022b69c 0000000000000001 0000000000000000 9000000001736a90\n[    0.001325]         9000000100038000 0000000000000000 9000000000222f34 0000000000000000\n[    0.001331]         00000000000000b0 0000000000000004 0000000000000000 0000000000070000\n[    0.001337]         ...\n[    0.001339] Call Trace:\n[    0.001342] [\u003c9000000000222f34\u003e] show_stack+0x5c/0x180\n[    0.001346] [\u003c90000000010bdd80\u003e] dump_stack_lvl+0x60/0x88\n[    0.001352] [\u003c9000000000266418\u003e] __might_resched+0x180/0x1cc\n[    0.001356] [\u003c90000000010c742c\u003e] mutex_lock+0x20/0x64\n[    0.001359] [\u003c90000000002a8ccc\u003e] irq_find_matching_fwspec+0x48/0x124\n[    0.001364] [\u003c90000000002259c4\u003e] constant_clockevent_init+0x68/0x204\n[    0.001368] [\u003c900000000022acf4\u003e] start_secondary+0x40/0xa8\n[    0.001371] [\u003c90000000010c0124\u003e] smpboot_entry+0x60/0x64\n\nHere are the complete call chains:\n\nsmpboot_entry()\n  start_secondary()\n    constant_clockevent_init()\n      get_timer_irq()\n        irq_find_matching_fwnode()\n          irq_find_matching_fwspec()\n            mutex_lock()\n              might_sleep()\n                __might_sleep()\n                  __might_resched()\n\nIn order to avoid the above issue, we should break the call chains,\nusing timer_irq_installed variable as check condition to only call\nget_timer_irq() once in constant_clockevent_init() is a simple and\nproper way."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-08T15:38:15.225Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/b9c379e1d7e141b102f41858c9b8f6f36e7c89a4"
        },
        {
          "url": "https://git.kernel.org/stable/c/acadbd058fa12b510fbecca11eae22bd6f654250"
        },
        {
          "url": "https://git.kernel.org/stable/c/bb7a78e343468873bf00b2b181fcfd3c02d8cb56"
        }
      ],
      "title": "LoongArch: Only call get_timer_irq() once in constant_clockevent_init()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2023-53067",
    "datePublished": "2025-05-02T15:55:20.477Z",
    "dateReserved": "2025-05-02T15:51:43.548Z",
    "dateUpdated": "2025-05-08T15:38:15.225Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-53067\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-05-02T16:15:25.777\",\"lastModified\":\"2025-05-05T20:54:45.973\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nLoongArch: Only call get_timer_irq() once in constant_clockevent_init()\\n\\nUnder CONFIG_DEBUG_ATOMIC_SLEEP=y and CONFIG_DEBUG_PREEMPT=y, we can see\\nthe following messages on LoongArch, this is because using might_sleep()\\nin preemption disable context.\\n\\n[    0.001127] smp: Bringing up secondary CPUs ...\\n[    0.001222] Booting CPU#1...\\n[    0.001244] 64-bit Loongson Processor probed (LA464 Core)\\n[    0.001247] CPU1 revision is: 0014c012 (Loongson-64bit)\\n[    0.001250] FPU1 revision is: 00000000\\n[    0.001252] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:283\\n[    0.001255] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 0, name: swapper/1\\n[    0.001257] preempt_count: 1, expected: 0\\n[    0.001258] RCU nest depth: 0, expected: 0\\n[    0.001259] Preemption disabled at:\\n[    0.001261] [\u003c9000000000223800\u003e] arch_dup_task_struct+0x20/0x110\\n[    0.001272] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.2.0-rc7+ #43\\n[    0.001275] Hardware name: Loongson Loongson-3A5000-7A1000-1w-A2101/Loongson-LS3A5000-7A1000-1w-A2101, BIOS vUDK2018-LoongArch-V4.0.05132-beta10 12/13/202\\n[    0.001277] Stack : 0072617764726148 0000000000000000 9000000000222f1c 90000001001e0000\\n[    0.001286]         90000001001e3be0 90000001001e3be8 0000000000000000 0000000000000000\\n[    0.001292]         90000001001e3be8 0000000000000040 90000001001e3cb8 90000001001e3a50\\n[    0.001297]         9000000001642000 90000001001e3be8 be694d10ce4139dd 9000000100174500\\n[    0.001303]         0000000000000001 0000000000000001 00000000ffffe0a2 0000000000000020\\n[    0.001309]         000000000000002f 9000000001354116 00000000056b0000 ffffffffffffffff\\n[    0.001314]         0000000000000000 0000000000000000 90000000014f6e90 9000000001642000\\n[    0.001320]         900000000022b69c 0000000000000001 0000000000000000 9000000001736a90\\n[    0.001325]         9000000100038000 0000000000000000 9000000000222f34 0000000000000000\\n[    0.001331]         00000000000000b0 0000000000000004 0000000000000000 0000000000070000\\n[    0.001337]         ...\\n[    0.001339] Call Trace:\\n[    0.001342] [\u003c9000000000222f34\u003e] show_stack+0x5c/0x180\\n[    0.001346] [\u003c90000000010bdd80\u003e] dump_stack_lvl+0x60/0x88\\n[    0.001352] [\u003c9000000000266418\u003e] __might_resched+0x180/0x1cc\\n[    0.001356] [\u003c90000000010c742c\u003e] mutex_lock+0x20/0x64\\n[    0.001359] [\u003c90000000002a8ccc\u003e] irq_find_matching_fwspec+0x48/0x124\\n[    0.001364] [\u003c90000000002259c4\u003e] constant_clockevent_init+0x68/0x204\\n[    0.001368] [\u003c900000000022acf4\u003e] start_secondary+0x40/0xa8\\n[    0.001371] [\u003c90000000010c0124\u003e] smpboot_entry+0x60/0x64\\n\\nHere are the complete call chains:\\n\\nsmpboot_entry()\\n  start_secondary()\\n    constant_clockevent_init()\\n      get_timer_irq()\\n        irq_find_matching_fwnode()\\n          irq_find_matching_fwspec()\\n            mutex_lock()\\n              might_sleep()\\n                __might_sleep()\\n                  __might_resched()\\n\\nIn order to avoid the above issue, we should break the call chains,\\nusing timer_irq_installed variable as check condition to only call\\nget_timer_irq() once in constant_clockevent_init() is a simple and\\nproper way.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: LoongArch: solo llamar a get_timer_irq() una vez en constant_clockevent_init() Bajo CONFIG_DEBUG_ATOMIC_SLEEP=y y CONFIG_DEBUG_PREEMPT=y, podemos ver los siguientes mensajes en LoongArch, esto se debe a que se usa might_sleep() en el contexto de deshabilitaci\u00f3n de preempci\u00f3n. [ 0.001127] smp: Activando CPU secundarias... [ 0.001222] Arrancando CPU#1... [ 0.001244] Procesador Loongson de 64 bits probado (n\u00facleo LA464) [ 0.001247] La revisi\u00f3n de CPU1 es: 0014c012 (Loongson-64bit) [ 0.001250] La revisi\u00f3n de FPU1 es: 00000000 [ 0.001252] ERROR: funci\u00f3n de suspensi\u00f3n llamada desde un contexto no v\u00e1lido en kernel/locking/mutex.c:283 [ 0.001255] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 0, name: swapper/1 [ 0.001257] preempt_count: 1, expected: 0 [ 0.001258] Profundidad de anidamiento de RCU: 0, esperado: 0 [ 0.001259] Preempci\u00f3n deshabilitada en: [ 0.001261] [\u0026lt;9000000000223800\u0026gt;] arch_dup_task_struct+0x20/0x110 [ 0.001272] CPU: 1 PID: 0 Comm: swapper/1 No contaminado 6.2.0-rc7+ #43 [ 0.001275] Nombre del hardware: Loongson Loongson-3A5000-7A1000-1w-A2101/Loongson-LS3A5000-7A1000-1w-A2101, BIOS vUDK2018-LoongArch-V4.0.05132-beta10 12/13/202 [ 0.001277] Pila: 0072617764726148 0000000000000000 9000000000222f1c 90000001001e0000 [ 0.001286] 90000001001e3be0 90000001001e3be8 0000000000000000 000000000000000 [ 0.001292] 90000001001e3be8 0000000000000040 90000001001e3cb8 90000001001e3a50 [ 0.001297] 9000000001642000 90000001001e3be8 be694d10ce4139dd 9000000100174500 [ 0.001303] 0000000000000001 000000000000001 000000000ffffe0a2 0000000000000020 [ 0.001309] 00000000000002f 9000000001354116 00000000056b0000 ffffffffffffffffff [ 0.001314] 0000000000000000 0000000000000000 90000000014f6e90 9000000001642000 [ 0.001320] 900000000022b69c 0000000000000001 000000000000000 9000000001736a90 [ 0.001325] 9000000100038000 000000000000000 9000000000222f34 000000000000000 [ 0.001331] 00000000000000b0 0000000000000004 0000000000000000 0000000000070000 [ 0.001337] ... [ 0.001339] Rastreo de llamadas: [ 0.001342] [\u0026lt;9000000000222f34\u0026gt;] show_stack+0x5c/0x180 [ 0.001346] [\u0026lt;90000000010bdd80\u0026gt;] dump_stack_lvl+0x60/0x88 [ 0.001352] [\u0026lt;9000000000266418\u0026gt;] __might_resched+0x180/0x1cc [ 0.001356] [\u0026lt;90000000010c742c\u0026gt;] mutex_lock+0x20/0x64 [ 0.001359] [\u0026lt;90000000002a8ccc\u0026gt;] irq_find_matching_fwspec+0x48/0x124 [ 0.001364] [\u0026lt;90000000002259c4\u0026gt;] constant_clockevent_init+0x68/0x204 [ 0.001368] [\u0026lt;900000000022acf4\u0026gt;] start_secondary+0x40/0xa8 [ 0.001371] [\u0026lt;90000000010c0124\u0026gt;] smpboot_entry+0x60/0x64 Estas son las cadenas de llamadas completas: Para evitar el problema anterior, debemos romper las cadenas de llamadas, utilizando la variable timer_irq_installed como condici\u00f3n de verificaci\u00f3n para llamar a get_timer_irq() solo una vez en constant_clockevent_init() es una forma simple y adecuada.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/acadbd058fa12b510fbecca11eae22bd6f654250\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/b9c379e1d7e141b102f41858c9b8f6f36e7c89a4\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/bb7a78e343468873bf00b2b181fcfd3c02d8cb56\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}