{"id":"CVE-2022-49156","summary":"scsi: qla2xxx: Fix scheduling while atomic","details":"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:  \u003cIRQ\u003e\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","modified":"2026-04-11T12:43:40.001709Z","published":"2025-02-26T01:55:20.285Z","related":["SUSE-SU-2025:1027-1","SUSE-SU-2025:1176-1","SUSE-SU-2025:1183-1","SUSE-SU-2025:1194-1","SUSE-SU-2025:1241-1","SUSE-SU-2025:1263-1","SUSE-SU-2025:1293-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49156.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/78225d6a2a4ffdb2250ce2b7691a9e68a3f86912"},{"type":"WEB","url":"https://git.kernel.org/stable/c/78612f2fe8e26637476d756a44f0f05cca0d97de"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7fef50214dd04427233a2e66cd624d468e67aecb"},{"type":"WEB","url":"https://git.kernel.org/stable/c/826a9d4a00d1424afa961504aec6298ee92d5053"},{"type":"WEB","url":"https://git.kernel.org/stable/c/afd438ff874ca40b74321b3fa19bd61adfd7ca0c"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49156.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-49156"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"726b85487067d7f5b23495bc33c484b8517c4074"},{"fixed":"7fef50214dd04427233a2e66cd624d468e67aecb"},{"fixed":"826a9d4a00d1424afa961504aec6298ee92d5053"},{"fixed":"78225d6a2a4ffdb2250ce2b7691a9e68a3f86912"},{"fixed":"78612f2fe8e26637476d756a44f0f05cca0d97de"},{"fixed":"afd438ff874ca40b74321b3fa19bd61adfd7ca0c"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-49156.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.11.0"},{"fixed":"5.10.110"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.33"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"5.16.19"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.17.0"},{"fixed":"5.17.2"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-49156.json"}}],"schema_version":"1.7.5"}