{"id":"CVE-2022-49536","state":"PUBLISHED","title":"scsi: lpfc: Fix SCSI I/O completion and abort handler deadlock","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: lpfc: Fix SCSI I/O completion and abort handler deadlock\n\nDuring stress I/O tests with 500+ vports, hard LOCKUP call traces are\nobserved.\n\nCPU A:\n native_queued_spin_lock_slowpath+0x192\n _raw_spin_lock_irqsave+0x32\n lpfc_handle_fcp_err+0x4c6\n lpfc_fcp_io_cmd_wqe_cmpl+0x964\n lpfc_sli4_fp_handle_cqe+0x266\n __lpfc_sli4_process_cq+0x105\n __lpfc_sli4_hba_process_cq+0x3c\n lpfc_cq_poll_hdler+0x16\n irq_poll_softirq+0x76\n __softirqentry_text_start+0xe4\n irq_exit+0xf7\n do_IRQ+0x7f\n\nCPU B:\n native_queued_spin_lock_slowpath+0x5b\n _raw_spin_lock+0x1c\n lpfc_abort_handler+0x13e\n scmd_eh_abort_handler+0x85\n process_one_work+0x1a7\n worker_thread+0x30\n kthread+0x112\n ret_from_fork+0x1f\n\nDiagram of lockup:\n\nCPUA                            CPUB\n----                            ----\nlpfc_cmd->buf_lock\n                            phba->hbalock\n                            lpfc_cmd->buf_lock\nphba->hbalock\n\nFix by reordering the taking of the lpfc_cmd->buf_lock and phba->hbalock in\nlpfc_abort_handler routine so that it tries to take the lpfc_cmd->buf_lock\nfirst before phba->hbalock.","publishedAt":"2025-02-26T02:13:54.014Z","updatedAt":"2026-05-11T19:01:49.996Z","severity":{"score":5.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"c2017260eea2db62e7bb1b7cbb1759f1d11ed067","status":"affected","lessThan":"7625e81de2164a082810e1f27547d388406da610","versionType":"git"},{"version":"c2017260eea2db62e7bb1b7cbb1759f1d11ed067","status":"affected","lessThan":"21c0d469349957b5dc811c41200a2a998996ca8d","versionType":"git"},{"version":"c2017260eea2db62e7bb1b7cbb1759f1d11ed067","status":"affected","lessThan":"0c4eed901285b9cae36a622f32bea3e92490da6c","versionType":"git"},{"version":"c2017260eea2db62e7bb1b7cbb1759f1d11ed067","status":"affected","lessThan":"03cbbd7c2f5ee288f648f4aeedc765a181188553","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/lpfc/lpfc_scsi.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.1","versionType":"semver"},{"version":"5.15.46","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.17.14","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18.3","status":"unaffected","lessThanOrEqual":"5.18.*","versionType":"semver"},{"version":"5.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/lpfc/lpfc_scsi.c"]}],"references":["https://git.kernel.org/stable/c/7625e81de2164a082810e1f27547d388406da610","https://git.kernel.org/stable/c/21c0d469349957b5dc811c41200a2a998996ca8d","https://git.kernel.org/stable/c/0c4eed901285b9cae36a622f32bea3e92490da6c","https://git.kernel.org/stable/c/03cbbd7c2f5ee288f648f4aeedc765a181188553"],"weaknesses":["CWE-667"],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49536.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49536","state":"PUBLISHED","datePublished":"2025-02-26T02:13:54.014Z","dateUpdated":"2026-05-11T19:01:49.996Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-02-26T02:08:31.589Z"},"containers":{"cna":{"title":"scsi: lpfc: Fix SCSI I/O completion and abort handler deadlock","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: lpfc: Fix SCSI I/O completion and abort handler deadlock\n\nDuring stress I/O tests with 500+ vports, hard LOCKUP call traces are\nobserved.\n\nCPU A:\n native_queued_spin_lock_slowpath+0x192\n _raw_spin_lock_irqsave+0x32\n lpfc_handle_fcp_err+0x4c6\n lpfc_fcp_io_cmd_wqe_cmpl+0x964\n lpfc_sli4_fp_handle_cqe+0x266\n __lpfc_sli4_process_cq+0x105\n __lpfc_sli4_hba_process_cq+0x3c\n lpfc_cq_poll_hdler+0x16\n irq_poll_softirq+0x76\n __softirqentry_text_start+0xe4\n irq_exit+0xf7\n do_IRQ+0x7f\n\nCPU B:\n native_queued_spin_lock_slowpath+0x5b\n _raw_spin_lock+0x1c\n lpfc_abort_handler+0x13e\n scmd_eh_abort_handler+0x85\n process_one_work+0x1a7\n worker_thread+0x30\n kthread+0x112\n ret_from_fork+0x1f\n\nDiagram of lockup:\n\nCPUA                            CPUB\n----                            ----\nlpfc_cmd->buf_lock\n                            phba->hbalock\n                            lpfc_cmd->buf_lock\nphba->hbalock\n\nFix by reordering the taking of the lpfc_cmd->buf_lock and phba->hbalock in\nlpfc_abort_handler routine so that it tries to take the lpfc_cmd->buf_lock\nfirst before phba->hbalock."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"c2017260eea2db62e7bb1b7cbb1759f1d11ed067","status":"affected","lessThan":"7625e81de2164a082810e1f27547d388406da610","versionType":"git"},{"version":"c2017260eea2db62e7bb1b7cbb1759f1d11ed067","status":"affected","lessThan":"21c0d469349957b5dc811c41200a2a998996ca8d","versionType":"git"},{"version":"c2017260eea2db62e7bb1b7cbb1759f1d11ed067","status":"affected","lessThan":"0c4eed901285b9cae36a622f32bea3e92490da6c","versionType":"git"},{"version":"c2017260eea2db62e7bb1b7cbb1759f1d11ed067","status":"affected","lessThan":"03cbbd7c2f5ee288f648f4aeedc765a181188553","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/lpfc/lpfc_scsi.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.1","versionType":"semver"},{"version":"5.15.46","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.17.14","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18.3","status":"unaffected","lessThanOrEqual":"5.18.*","versionType":"semver"},{"version":"5.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/lpfc/lpfc_scsi.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/7625e81de2164a082810e1f27547d388406da610"},{"url":"https://git.kernel.org/stable/c/21c0d469349957b5dc811c41200a2a998996ca8d"},{"url":"https://git.kernel.org/stable/c/0c4eed901285b9cae36a622f32bea3e92490da6c"},{"url":"https://git.kernel.org/stable/c/03cbbd7c2f5ee288f648f4aeedc765a181188553"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:01:49.996Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.1","versionEndExcluding":"5.15.46"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.1","versionEndExcluding":"5.17.14"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.1","versionEndExcluding":"5.18.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.1","versionEndExcluding":"5.19"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"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"}},{"other":{"type":"ssvc","content":{"id":"CVE-2022-49536","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2025-10-01T19:37:45.898747Z"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-667","lang":"en","type":"CWE","description":"CWE-667 Improper Locking"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-01T19:46:40.573Z"}}]}}}