cve-2024-41054
Vulnerability from cvelistv5
Published
2024-07-29 14:32
Modified
2024-11-05 09:35
Severity ?
Summary
scsi: ufs: core: Fix ufshcd_clear_cmd racing issue
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/11d81233f4ebe6907b12c79ad7d8787aa4db0633Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9307a998cb9846a2557fdca286997430bee36a2aPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/bed0896008334eeee4b4bfd7150491ca098cbf72Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/11d81233f4ebe6907b12c79ad7d8787aa4db0633Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/9307a998cb9846a2557fdca286997430bee36a2aPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/bed0896008334eeee4b4bfd7150491ca098cbf72Patch
Impacted products
Vendor Product Version
Linux Linux Version: 6.5
Show details on NVD website

To clipboard 

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                "id": "CVE-2024-41054",
                "options": [
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                "timestamp": "2024-09-10T16:22:31.645122Z",
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    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/ufs/core/ufs-mcq.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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          "vendor": "Linux",
          "versions": [
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              "version": "6.6.41",
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: ufs: core: Fix ufshcd_clear_cmd racing issue\n\nWhen ufshcd_clear_cmd is racing with the completion ISR, the completed tag\nof the request\u0027s mq_hctx pointer will be set to NULL by the ISR.  And\nufshcd_clear_cmd\u0027s call to ufshcd_mcq_req_to_hwq will get NULL pointer KE.\nReturn success when the request is completed by ISR because sq does not\nneed cleanup.\n\nThe racing flow is:\n\nThread A\nufshcd_err_handler\t\t\t\t\tstep 1\n\tufshcd_try_to_abort_task\n\t\tufshcd_cmd_inflight(true)\t\tstep 3\n\t\tufshcd_clear_cmd\n\t\t\t...\n\t\t\tufshcd_mcq_req_to_hwq\n\t\t\tblk_mq_unique_tag\n\t\t\t\trq-\u003emq_hctx-\u003equeue_num\tstep 5\n\nThread B\nufs_mtk_mcq_intr(cq complete ISR)\t\t\tstep 2\n\tscsi_done\n\t\t...\n\t\t__blk_mq_free_request\n\t\t\trq-\u003emq_hctx = NULL;\t\tstep 4\n\nBelow is KE back trace:\n\n  ufshcd_try_to_abort_task: cmd pending in the device. tag = 6\n  Unable to handle kernel NULL pointer dereference at virtual address 0000000000000194\n   pc : [0xffffffd589679bf8] blk_mq_unique_tag+0x8/0x14\n   lr : [0xffffffd5862f95b4] ufshcd_mcq_sq_cleanup+0x6c/0x1cc [ufs_mediatek_mod_ise]\n   Workqueue: ufs_eh_wq_0 ufshcd_err_handler [ufs_mediatek_mod_ise]\n   Call trace:\n    dump_backtrace+0xf8/0x148\n    show_stack+0x18/0x24\n    dump_stack_lvl+0x60/0x7c\n    dump_stack+0x18/0x3c\n    mrdump_common_die+0x24c/0x398 [mrdump]\n    ipanic_die+0x20/0x34 [mrdump]\n    notify_die+0x80/0xd8\n    die+0x94/0x2b8\n    __do_kernel_fault+0x264/0x298\n    do_page_fault+0xa4/0x4b8\n    do_translation_fault+0x38/0x54\n    do_mem_abort+0x58/0x118\n    el1_abort+0x3c/0x5c\n    el1h_64_sync_handler+0x54/0x90\n    el1h_64_sync+0x68/0x6c\n    blk_mq_unique_tag+0x8/0x14\n    ufshcd_clear_cmd+0x34/0x118 [ufs_mediatek_mod_ise]\n    ufshcd_try_to_abort_task+0x2c8/0x5b4 [ufs_mediatek_mod_ise]\n    ufshcd_err_handler+0xa7c/0xfa8 [ufs_mediatek_mod_ise]\n    process_one_work+0x208/0x4fc\n    worker_thread+0x228/0x438\n    kthread+0x104/0x1d4\n    ret_from_fork+0x10/0x20"
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    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-41054",
    "datePublished": "2024-07-29T14:32:09.829Z",
    "dateReserved": "2024-07-12T12:17:45.627Z",
    "dateUpdated": "2024-11-05T09:35:46.857Z",
    "state": "PUBLISHED"
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    "nvd": "{\"cve\":{\"id\":\"CVE-2024-41054\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-07-29T15:15:13.557\",\"lastModified\":\"2024-11-21T09:32:08.973\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nscsi: ufs: core: Fix ufshcd_clear_cmd racing issue\\n\\nWhen ufshcd_clear_cmd is racing with the completion ISR, the completed tag\\nof the request\u0027s mq_hctx pointer will be set to NULL by the ISR.  And\\nufshcd_clear_cmd\u0027s call to ufshcd_mcq_req_to_hwq will get NULL pointer KE.\\nReturn success when the request is completed by ISR because sq does not\\nneed cleanup.\\n\\nThe racing flow is:\\n\\nThread A\\nufshcd_err_handler\\t\\t\\t\\t\\tstep 1\\n\\tufshcd_try_to_abort_task\\n\\t\\tufshcd_cmd_inflight(true)\\t\\tstep 3\\n\\t\\tufshcd_clear_cmd\\n\\t\\t\\t...\\n\\t\\t\\tufshcd_mcq_req_to_hwq\\n\\t\\t\\tblk_mq_unique_tag\\n\\t\\t\\t\\trq-\u003emq_hctx-\u003equeue_num\\tstep 5\\n\\nThread B\\nufs_mtk_mcq_intr(cq complete ISR)\\t\\t\\tstep 2\\n\\tscsi_done\\n\\t\\t...\\n\\t\\t__blk_mq_free_request\\n\\t\\t\\trq-\u003emq_hctx = NULL;\\t\\tstep 4\\n\\nBelow is KE back trace:\\n\\n  ufshcd_try_to_abort_task: cmd pending in the device. tag = 6\\n  Unable to handle kernel NULL pointer dereference at virtual address 0000000000000194\\n   pc : [0xffffffd589679bf8] blk_mq_unique_tag+0x8/0x14\\n   lr : [0xffffffd5862f95b4] ufshcd_mcq_sq_cleanup+0x6c/0x1cc [ufs_mediatek_mod_ise]\\n   Workqueue: ufs_eh_wq_0 ufshcd_err_handler [ufs_mediatek_mod_ise]\\n   Call trace:\\n    dump_backtrace+0xf8/0x148\\n    show_stack+0x18/0x24\\n    dump_stack_lvl+0x60/0x7c\\n    dump_stack+0x18/0x3c\\n    mrdump_common_die+0x24c/0x398 [mrdump]\\n    ipanic_die+0x20/0x34 [mrdump]\\n    notify_die+0x80/0xd8\\n    die+0x94/0x2b8\\n    __do_kernel_fault+0x264/0x298\\n    do_page_fault+0xa4/0x4b8\\n    do_translation_fault+0x38/0x54\\n    do_mem_abort+0x58/0x118\\n    el1_abort+0x3c/0x5c\\n    el1h_64_sync_handler+0x54/0x90\\n    el1h_64_sync+0x68/0x6c\\n    blk_mq_unique_tag+0x8/0x14\\n    ufshcd_clear_cmd+0x34/0x118 [ufs_mediatek_mod_ise]\\n    ufshcd_try_to_abort_task+0x2c8/0x5b4 [ufs_mediatek_mod_ise]\\n    ufshcd_err_handler+0xa7c/0xfa8 [ufs_mediatek_mod_ise]\\n    process_one_work+0x208/0x4fc\\n    worker_thread+0x228/0x438\\n    kthread+0x104/0x1d4\\n    ret_from_fork+0x10/0x20\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: scsi: ufs: core: solucione el problema de ejecuci\u00f3n de ufshcd_clear_cmd Cuando ufshcd_clear_cmd corre con el ISR de finalizaci\u00f3n, el ISR establecer\u00e1 la etiqueta completada del puntero mq_hctx de la solicitud en NULL. Y la llamada de ufshcd_clear_cmd a ufshcd_mcq_req_to_hwq obtendr\u00e1 un puntero NULL KE. Devuelve el \u00e9xito cuando ISR completa la solicitud porque sq no necesita limpieza. El flujo de ejecuci\u00f3n es: Hilo A ufshcd_err_handler paso 1 ufshcd_try_to_abort_task ufshcd_cmd_inflight(true) paso 3 ufshcd_clear_cmd ... ufshcd_mcq_req_to_hwq blk_mq_unique_tag rq-\u0026gt;mq_hctx-\u0026gt;queue_num paso 5 Hilo ufs_mtk_mcq_int r(cq completar ISR) paso 2 scsi_done ... __blk_mq_free_request rq-\u0026gt; mq_hctx = NULO; paso 4 A continuaci\u00f3n se muestra el rastreo de KE: ufshcd_try_to_abort_task: cmd pendiente en el dispositivo. etiqueta = 6 No se puede manejar la desreferencia del puntero NULL del kernel en la direcci\u00f3n virtual 0000000000000194 pc: [0xffffffd589679bf8] blk_mq_unique_tag+0x8/0x14 lr: [0xffffffd5862f95b4] ufshcd_mcq_sq_cleanup+0x6c/0x1cc _mod_ise] Cola de trabajo: ufs_eh_wq_0 ufshcd_err_handler [ufs_mediatek_mod_ise] Seguimiento de llamadas: dump_backtrace+0xf8 /0x148 show_stack+0x18/0x24 dump_stack_lvl+0x60/0x7c dump_stack+0x18/0x3c mrdump_common_die+0x24c/0x398 [mrdump] ipanic_die+0x20/0x34 [mrdump] notify_die+0x80/0xd8 die+0x94/0x2b8 __do_kernel_fault+0x264/0x298 do_page_fault+ 0xa4/0x4b8 do_translation_fault+0x38/0x54 do_mem_abort+0x58/0x118 el1_abort+0x3c/0x5c el1h_64_sync_handler+0x54/0x90 el1h_64_sync+0x68/0x6c blk_mq_unique_tag+0x8/0x14 clear_cmd+0x34/0x118 [ufs_mediatek_mod_ise] ufshcd_try_to_abort_task+0x2c8/0x5b4 [ufs_mediatek_mod_ise] ufshcd_err_handler +0xa7c/0xfa8 [ufs_mediatek_mod_ise] process_one_work+0x208/0x4fc trabajador_hilo+0x228/0x438 kthread+0x104/0x1d4 ret_from_fork+0x10/0x20\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.5\",\"versionEndExcluding\":\"6.6.41\",\"matchCriteriaId\":\"F8F0E46F-AE23-4E3C-94C2-982292314C2D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.9.10\",\"matchCriteriaId\":\"AB2E8DEC-CFD5-4C2B-981D-E7E45A36C352\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/11d81233f4ebe6907b12c79ad7d8787aa4db0633\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/9307a998cb9846a2557fdca286997430bee36a2a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/bed0896008334eeee4b4bfd7150491ca098cbf72\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/11d81233f4ebe6907b12c79ad7d8787aa4db0633\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/9307a998cb9846a2557fdca286997430bee36a2a\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/bed0896008334eeee4b4bfd7150491ca098cbf72\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]}]}}"
  }
}


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