{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-18T10:35:47.517","vulnerabilities":[{"cve":{"id":"CVE-2021-47622","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2024-07-16T12:15:02.400","lastModified":"2024-11-21T06:36:41.647","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: ufs: Fix a deadlock in the error handler\n\nThe following deadlock has been observed on a test setup:\n\n - All tags allocated\n\n - The SCSI error handler calls ufshcd_eh_host_reset_handler()\n\n - ufshcd_eh_host_reset_handler() queues work that calls\n   ufshcd_err_handler()\n\n - ufshcd_err_handler() locks up as follows:\n\nWorkqueue: ufs_eh_wq_0 ufshcd_err_handler.cfi_jt\nCall trace:\n __switch_to+0x298/0x5d8\n __schedule+0x6cc/0xa94\n schedule+0x12c/0x298\n blk_mq_get_tag+0x210/0x480\n __blk_mq_alloc_request+0x1c8/0x284\n blk_get_request+0x74/0x134\n ufshcd_exec_dev_cmd+0x68/0x640\n ufshcd_verify_dev_init+0x68/0x35c\n ufshcd_probe_hba+0x12c/0x1cb8\n ufshcd_host_reset_and_restore+0x88/0x254\n ufshcd_reset_and_restore+0xd0/0x354\n ufshcd_err_handler+0x408/0xc58\n process_one_work+0x24c/0x66c\n worker_thread+0x3e8/0xa4c\n kthread+0x150/0x1b4\n ret_from_fork+0x10/0x30\n\nFix this lockup by making ufshcd_exec_dev_cmd() allocate a reserved\nrequest."},{"lang":"es","value":"En el kernel de Linux, se resolvió la siguiente vulnerabilidad: scsi: ufs: corrige un punto muerto en el controlador de errores Se ha observado el siguiente punto muerto en una configuración de prueba: - Todas las etiquetas asignadas - El controlador de errores SCSI llama a ufshcd_eh_host_reset_handler() - ufshcd_eh_host_reset_handler( ) las colas funcionan que llaman a ufshcd_err_handler() - ufshcd_err_handler() se bloquea de la siguiente manera: Cola de trabajo: ufs_eh_wq_0 ufshcd_err_handler.cfi_jt Rastreo de llamadas: __switch_to+0x298/0x5d8 __schedule+0x6cc/0xa94 Schedule+0x12c/0x298 get_tag+0x210/0x480 __blk_mq_alloc_request+0x1c8/ 0x284 blk_get_request+0x74/0x134 ufshcd_exec_dev_cmd+0x68/0x640 ufshcd_verify_dev_init+0x68/0x35c ufshcd_probe_hba+0x12c/0x1cb8 ufshcd_host_reset_and_restore+0x88/0x254 _reset_and_restore+0xd0/0x354 ufshcd_err_handler+0x408/0xc58 proceso_one_work+0x24c/0x66c trabajador_thread+0x3e8/0xa4c kthread+0x150/ 0x1b4 ret_from_fork+0x10/0x30 Solucione este bloqueo haciendo que ufshcd_exec_dev_cmd() asigne una solicitud reservada."}],"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-667"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.25","matchCriteriaId":"0B2AC86E-F9F8-4303-B3D9-66D77F68DB32"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"5.16.11","matchCriteriaId":"0D327234-5D4A-43DC-A6DF-BCA0CEBEC039"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/493c9e850677df8b4eda150c2364b1c1a72ed724","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Mailing List","Patch"]},{"url":"https://git.kernel.org/stable/c/945c3cca05d78351bba29fa65d93834cb7934c7b","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Mailing List","Patch"]},{"url":"https://git.kernel.org/stable/c/d69d98d8edf90e25e4e09930dd36dd6d09dd6768","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Mailing List","Patch"]},{"url":"https://git.kernel.org/stable/c/493c9e850677df8b4eda150c2364b1c1a72ed724","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Patch"]},{"url":"https://git.kernel.org/stable/c/945c3cca05d78351bba29fa65d93834cb7934c7b","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Patch"]},{"url":"https://git.kernel.org/stable/c/d69d98d8edf90e25e4e09930dd36dd6d09dd6768","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Patch"]}]}}]}