{"id":"CVE-2022-49156","state":"PUBLISHED","title":"scsi: qla2xxx: Fix scheduling while atomic","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: Fix scheduling while atomic\n\nThe driver makes a call into midlayer (fc_remote_port_delete) which can put\nthe thread to sleep. The thread that originates the call is in interrupt\ncontext. The combination of the two trigger a crash. Schedule the call in\nnon-interrupt context where it is more safe.\n\nkernel: BUG: scheduling while atomic: swapper/7/0/0x00010000\nkernel: Call Trace:\nkernel:  <IRQ>\nkernel:  dump_stack+0x66/0x81\nkernel:  __schedule_bug.cold.90+0x5/0x1d\nkernel:  __schedule+0x7af/0x960\nkernel:  schedule+0x28/0x80\nkernel:  schedule_timeout+0x26d/0x3b0\nkernel:  wait_for_completion+0xb4/0x140\nkernel:  ? wake_up_q+0x70/0x70\nkernel:  __wait_rcu_gp+0x12c/0x160\nkernel:  ? sdev_evt_alloc+0xc0/0x180 [scsi_mod]\nkernel:  synchronize_sched+0x6c/0x80\nkernel:  ? call_rcu_bh+0x20/0x20\nkernel:  ? __bpf_trace_rcu_invoke_callback+0x10/0x10\nkernel:  sdev_evt_alloc+0xfd/0x180 [scsi_mod]\nkernel:  starget_for_each_device+0x85/0xb0 [scsi_mod]\nkernel:  ? scsi_init_io+0x360/0x3d0 [scsi_mod]\nkernel:  scsi_init_io+0x388/0x3d0 [scsi_mod]\nkernel:  device_for_each_child+0x54/0x90\nkernel:  fc_remote_port_delete+0x70/0xe0 [scsi_transport_fc]\nkernel:  qla2x00_schedule_rport_del+0x62/0xf0 [qla2xxx]\nkernel:  qla2x00_mark_device_lost+0x9c/0xd0 [qla2xxx]\nkernel:  qla24xx_handle_plogi_done_event+0x55f/0x570 [qla2xxx]\nkernel:  qla2x00_async_login_sp_done+0xd2/0x100 [qla2xxx]\nkernel:  qla24xx_logio_entry+0x13a/0x3c0 [qla2xxx]\nkernel:  qla24xx_process_response_queue+0x306/0x400 [qla2xxx]\nkernel:  qla24xx_msix_rsp_q+0x3f/0xb0 [qla2xxx]\nkernel:  __handle_irq_event_percpu+0x40/0x180\nkernel:  handle_irq_event_percpu+0x30/0x80\nkernel:  handle_irq_event+0x36/0x60","publishedAt":"2025-02-26T01:55:20.285Z","updatedAt":"2026-05-11T18:54:13.279Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"726b85487067d7f5b23495bc33c484b8517c4074","status":"affected","lessThan":"7fef50214dd04427233a2e66cd624d468e67aecb","versionType":"git"},{"version":"726b85487067d7f5b23495bc33c484b8517c4074","status":"affected","lessThan":"826a9d4a00d1424afa961504aec6298ee92d5053","versionType":"git"},{"version":"726b85487067d7f5b23495bc33c484b8517c4074","status":"affected","lessThan":"78225d6a2a4ffdb2250ce2b7691a9e68a3f86912","versionType":"git"},{"version":"726b85487067d7f5b23495bc33c484b8517c4074","status":"affected","lessThan":"78612f2fe8e26637476d756a44f0f05cca0d97de","versionType":"git"},{"version":"726b85487067d7f5b23495bc33c484b8517c4074","status":"affected","lessThan":"afd438ff874ca40b74321b3fa19bd61adfd7ca0c","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/qla2xxx/qla_init.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.11","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.11","versionType":"semver"},{"version":"5.10.110","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.33","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.16.19","status":"unaffected","lessThanOrEqual":"5.16.*","versionType":"semver"},{"version":"5.17.2","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/qla2xxx/qla_init.c"]}],"references":["https://git.kernel.org/stable/c/7fef50214dd04427233a2e66cd624d468e67aecb","https://git.kernel.org/stable/c/826a9d4a00d1424afa961504aec6298ee92d5053","https://git.kernel.org/stable/c/78225d6a2a4ffdb2250ce2b7691a9e68a3f86912","https://git.kernel.org/stable/c/78612f2fe8e26637476d756a44f0f05cca0d97de","https://git.kernel.org/stable/c/afd438ff874ca40b74321b3fa19bd61adfd7ca0c"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49156.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49156","state":"PUBLISHED","datePublished":"2025-02-26T01:55:20.285Z","dateUpdated":"2026-05-11T18:54:13.279Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-02-26T01:49:39.275Z"},"containers":{"cna":{"title":"scsi: qla2xxx: Fix scheduling while atomic","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: Fix scheduling while atomic\n\nThe driver makes a call into midlayer (fc_remote_port_delete) which can put\nthe thread to sleep. The thread that originates the call is in interrupt\ncontext. The combination of the two trigger a crash. Schedule the call in\nnon-interrupt context where it is more safe.\n\nkernel: BUG: scheduling while atomic: swapper/7/0/0x00010000\nkernel: Call Trace:\nkernel:  <IRQ>\nkernel:  dump_stack+0x66/0x81\nkernel:  __schedule_bug.cold.90+0x5/0x1d\nkernel:  __schedule+0x7af/0x960\nkernel:  schedule+0x28/0x80\nkernel:  schedule_timeout+0x26d/0x3b0\nkernel:  wait_for_completion+0xb4/0x140\nkernel:  ? wake_up_q+0x70/0x70\nkernel:  __wait_rcu_gp+0x12c/0x160\nkernel:  ? sdev_evt_alloc+0xc0/0x180 [scsi_mod]\nkernel:  synchronize_sched+0x6c/0x80\nkernel:  ? call_rcu_bh+0x20/0x20\nkernel:  ? __bpf_trace_rcu_invoke_callback+0x10/0x10\nkernel:  sdev_evt_alloc+0xfd/0x180 [scsi_mod]\nkernel:  starget_for_each_device+0x85/0xb0 [scsi_mod]\nkernel:  ? scsi_init_io+0x360/0x3d0 [scsi_mod]\nkernel:  scsi_init_io+0x388/0x3d0 [scsi_mod]\nkernel:  device_for_each_child+0x54/0x90\nkernel:  fc_remote_port_delete+0x70/0xe0 [scsi_transport_fc]\nkernel:  qla2x00_schedule_rport_del+0x62/0xf0 [qla2xxx]\nkernel:  qla2x00_mark_device_lost+0x9c/0xd0 [qla2xxx]\nkernel:  qla24xx_handle_plogi_done_event+0x55f/0x570 [qla2xxx]\nkernel:  qla2x00_async_login_sp_done+0xd2/0x100 [qla2xxx]\nkernel:  qla24xx_logio_entry+0x13a/0x3c0 [qla2xxx]\nkernel:  qla24xx_process_response_queue+0x306/0x400 [qla2xxx]\nkernel:  qla24xx_msix_rsp_q+0x3f/0xb0 [qla2xxx]\nkernel:  __handle_irq_event_percpu+0x40/0x180\nkernel:  handle_irq_event_percpu+0x30/0x80\nkernel:  handle_irq_event+0x36/0x60"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"726b85487067d7f5b23495bc33c484b8517c4074","status":"affected","lessThan":"7fef50214dd04427233a2e66cd624d468e67aecb","versionType":"git"},{"version":"726b85487067d7f5b23495bc33c484b8517c4074","status":"affected","lessThan":"826a9d4a00d1424afa961504aec6298ee92d5053","versionType":"git"},{"version":"726b85487067d7f5b23495bc33c484b8517c4074","status":"affected","lessThan":"78225d6a2a4ffdb2250ce2b7691a9e68a3f86912","versionType":"git"},{"version":"726b85487067d7f5b23495bc33c484b8517c4074","status":"affected","lessThan":"78612f2fe8e26637476d756a44f0f05cca0d97de","versionType":"git"},{"version":"726b85487067d7f5b23495bc33c484b8517c4074","status":"affected","lessThan":"afd438ff874ca40b74321b3fa19bd61adfd7ca0c","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/qla2xxx/qla_init.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.11","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.11","versionType":"semver"},{"version":"5.10.110","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.33","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.16.19","status":"unaffected","lessThanOrEqual":"5.16.*","versionType":"semver"},{"version":"5.17.2","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/qla2xxx/qla_init.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/7fef50214dd04427233a2e66cd624d468e67aecb"},{"url":"https://git.kernel.org/stable/c/826a9d4a00d1424afa961504aec6298ee92d5053"},{"url":"https://git.kernel.org/stable/c/78225d6a2a4ffdb2250ce2b7691a9e68a3f86912"},{"url":"https://git.kernel.org/stable/c/78612f2fe8e26637476d756a44f0f05cca0d97de"},{"url":"https://git.kernel.org/stable/c/afd438ff874ca40b74321b3fa19bd61adfd7ca0c"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T18:54:13.279Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.11","versionEndExcluding":"5.10.110"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.11","versionEndExcluding":"5.15.33"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.11","versionEndExcluding":"5.16.19"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.11","versionEndExcluding":"5.17.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.11","versionEndExcluding":"5.18"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}