CVE-2024-41053

{"id": "CVE-2024-41053", "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2024-07-29T15:15:13.473", "references": [{"url": "https://git.kernel.org/stable/c/74736103fb4123c71bf11fb7a6abe7c884c5269e", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/b5a6ac887256762758bfe7f2918cb0233aa544f4", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/c3111b3cf3889bfa7b73ebff83d7397db9b7e5e0", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/74736103fb4123c71bf11fb7a6abe7c884c5269e", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/stable/c/b5a6ac887256762758bfe7f2918cb0233aa544f4", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/stable/c/c3111b3cf3889bfa7b73ebff83d7397db9b7e5e0", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-476"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: ufs: core: Fix ufshcd_abort_one racing issue\n\nWhen ufshcd_abort_one is racing with the completion ISR, the completed tag\nof the request's mq_hctx pointer will be set to NULL by ISR. Return\nsuccess when request is completed by ISR because ufshcd_abort_one does not\nneed to do anything.\n\nThe racing flow is:\n\nThread A\nufshcd_err_handler\t\t\t\t\tstep 1\n\t...\n\tufshcd_abort_one\n\t\tufshcd_try_to_abort_task\n\t\t\tufshcd_cmd_inflight(true)\tstep 3\n\t\tufshcd_mcq_req_to_hwq\n\t\t\tblk_mq_unique_tag\n\t\t\t\trq->mq_hctx->queue_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->mq_hctx = NULL;\t\tstep 4\n\nBelow is KE back trace.\n ufshcd_try_to_abort_task: cmd at tag 41 not pending in the device.\n ufshcd_try_to_abort_task: cmd at tag=41 is cleared.\n Aborting tag 41 / CDB 0x28 succeeded\n Unable to handle kernel NULL pointer dereference at virtual address 0000000000000194\n pc : [0xffffffddd7a79bf8] blk_mq_unique_tag+0x8/0x14\n lr : [0xffffffddd6155b84] ufshcd_mcq_req_to_hwq+0x1c/0x40 [ufs_mediatek_mod_ise]\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_err_handler+0xae4/0xfa8 [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_abort_one Cuando ufshcd_abort_one se ejecuta con el ISR de finalizaci\u00f3n, ISR establecer\u00e1 la etiqueta completada del puntero mq_hctx de la solicitud en NULL. Devuelve el \u00e9xito cuando ISR completa la solicitud porque ufshcd_abort_one no necesita hacer nada. El flujo de ejecucuones es: Hilo A ufshcd_err_handler paso 1 ... ufshcd_abort_one ufshcd_try_to_abort_task ufshcd_cmd_inflight(true) paso 3 ufshcd_mcq_req_to_hwq blk_mq_unique_tag rq->mq_hctx->queue_num paso 5 Hilo B (cq completar ISR) paso 2 scsi_done... __blk_mq_free_request rq-> mq_hctx = NULO; paso 4 A continuaci\u00f3n se muestra el seguimiento de KE. ufshcd_try_to_abort_task: cmd en la etiqueta 41 no est\u00e1 pendiente en el dispositivo. ufshcd_try_to_abort_task: cmd en la etiqueta = 41 se borra. Anulaci\u00f3n de la etiqueta 41 / CDB 0x28 exitosa No se puede manejar la desreferencia del puntero NULL del kernel en la direcci\u00f3n virtual 0000000000000194 pc: [0xffffffddd7a79bf8] blk_mq_unique_tag+0x8/0x14 lr: [0xffffffddd6155b84] x1c/0x40 [ufs_mediatek_mod_ise] 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 ufshcd_err_handler+0xae4/0xfa8 [ufs_mediatek_mod_ise] Process_one_work+0x208/0x4fc trabajador_thread+0x228/0 x438 kthread+0x104/0x1d4 ret_from_fork+0x10/0x20"}], "lastModified": "2024-11-21T09:32:08.850", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D801CC48-8332-42BC-BE0D-DA5A5C2D8FF5", "versionEndExcluding": "6.6.41", "versionStartIncluding": "6.6.5"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AB2E8DEC-CFD5-4C2B-981D-E7E45A36C352", "versionEndExcluding": "6.9.10", "versionStartIncluding": "6.7"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}