{"schema_version":"1.9.0","id":"CVE-2022-50744","published":"2025-12-24T13:05:41.138Z","modified":"2026-08-12T03:51:29.677741113Z","related":["SUSE-SU-2026:0263-1","SUSE-SU-2026:0317-1","SUSE-SU-2026:0350-1","SUSE-SU-2026:0369-1","SUSE-SU-2026:0411-1","SUSE-SU-2026:0473-1","SUSE-SU-2026:0617-1"],"summary":"scsi: lpfc: Fix hard lockup when reading the rx_monitor from debugfs","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: lpfc: Fix hard lockup when reading the rx_monitor from debugfs\n\nDuring I/O and simultaneous cat of /sys/kernel/debug/lpfc/fnX/rx_monitor, a\nhard lockup similar to the call trace below may occur.\n\nThe spin_lock_bh in lpfc_rx_monitor_report is not protecting from timer\ninterrupts as expected, so change the strength of the spin lock to _irq.\n\nKernel panic - not syncing: Hard LOCKUP\nCPU: 3 PID: 110402 Comm: cat Kdump: loaded\n\nexception RIP: native_queued_spin_lock_slowpath+91\n\n[IRQ stack]\n native_queued_spin_lock_slowpath at ffffffffb814e30b\n _raw_spin_lock at ffffffffb89a667a\n lpfc_rx_monitor_record at ffffffffc0a73a36 [lpfc]\n lpfc_cmf_timer at ffffffffc0abbc67 [lpfc]\n __hrtimer_run_queues at ffffffffb8184250\n hrtimer_interrupt at ffffffffb8184ab0\n smp_apic_timer_interrupt at ffffffffb8a026ba\n apic_timer_interrupt at ffffffffb8a01c4f\n[End of IRQ stack]\n\n apic_timer_interrupt at ffffffffb8a01c4f\n lpfc_rx_monitor_report at ffffffffc0a73c80 [lpfc]\n lpfc_rx_monitor_read at ffffffffc0addde1 [lpfc]\n full_proxy_read at ffffffffb83e7fc3\n vfs_read at ffffffffb833fe71\n ksys_read at ffffffffb83402af\n do_syscall_64 at ffffffffb800430b\n entry_SYSCALL_64_after_hwframe at ffffffffb8a000ad","affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"21d65b35169112af9b6f873c8eeab972e60107c2"},{"fixed":"2cf66428a2545bb33beb9624124a2377468bb478"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"2c9b5b8326b953f2f48338a7c889e6af457d146f"},{"fixed":"cd542900ee5147028bbe603b238efcab8d720838"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"bd269188ea94e40ab002cad7b0df8f12b8f0de54"},{"fixed":"39761417ea7b654217d6d9085afbf7c87ba3675d"},{"fixed":"c44e50f4a0ec00c2298f31f91bc2c3e9bbd81c7e"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"0"},{"last_affected":"147d397e08a406f5997f8a1c7f747fe546bf8395"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"5.15.78"},{"fixed":"5.15.86"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"6.0.3"},{"fixed":"6.0.16"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"5.19.17"},{"fixed":"5.20"}]}],"versions":["v5.15.85","v5.15.84","v5.15.83","v5.15.82","v5.15.81","v5.15.80","v5.15.79","v5.15.78","v6.0.15","v6.0.14","v6.0.13","v6.0.12","v6.0.11","v6.0.10","v6.0.9","v6.0.8","v6.0.7","v6.0.6","v6.0.5","v6.0.4","v6.0.3","v5.19.16","v5.19.15","v5.19.14","v5.19.13","v5.19.12","v5.19.11","v5.19.10","v5.19.9","v5.19.8","v5.19.7","v5.19.6","v5.19","v5.19.5","v5.19.4","v5.19.3","v5.19.2","v5.19.1","v5.19-rc1","v5.19-rc5","v5.19-rc8","v5.19-rc6","v5.18","v5.19-rc2","v5.19-rc7","v5.19-rc3","v5.19-rc4","v5.18-rc1","v5.18-rc7","v5.18-rc2","v5.18-rc5","v5.17","v5.18-rc4","v5.18-rc3","v5.18-rc6","v5.17-rc6","v5.17-rc4","v5.17-rc8","v5.17-rc7","v5.17-rc1","v5.17-rc3","v5.17-rc2","v5.17-rc5","v5.16","v5.16-rc1","v5.16-rc8","v5.16-rc5","v5.16-rc6","v5.16-rc7","v5.16-rc3","v5.16-rc2","v5.16-rc4","v5.15","v5.15-rc2","v5.15-rc1","v5.15-rc4","v5.15-rc7","v5.15-rc3","v5.15-rc5","v5.15-rc6","v5.14","v5.14-rc3","v5.14-rc1","v5.14-rc2","v5.14-rc7","v5.14-rc6","v5.13-rc1","v5.14-rc5","v5.14-rc4","v5.13","v5.13-rc6","v5.13-rc7","v5.13-rc3","v5.13-rc2","v5.13-rc4","v5.13-rc5","v5.12","v5.12-rc2","v5.12-rc1-dontuse","v5.12-rc1","v5.12-rc8","v5.12-rc3","v5.12-rc7","v5.12-rc5","v5.12-rc6","v5.12-rc4","v5.10","v5.11","v5.11-rc3","v5.11-rc7","v5.11-rc6","v5.11-rc5","v5.11-rc1","v5.11-rc4","v5.11-rc2","v5.10-rc1","v5.10-rc7","v5.10-rc4","v5.10-rc3","v5.10-rc6","v5.9","v5.10-rc2","v5.10-rc5","v5.9-rc1","v5.9-rc7","v5.9-rc8","v5.9-rc6","v5.9-rc4","v5.9-rc5","v5.9-rc3","v5.9-rc2","v5.8","v5.7","v5.8-rc2","v5.8-rc1","v5.8-rc7","v5.8-rc5","v5.8-rc3","v5.8-rc4","v5.8-rc6","v5.7-rc4","v5.7-rc7","v5.7-rc1","v5.7-rc3","v5.7-rc2","v5.7-rc5","v5.7-rc6","v5.6","v5.6-rc1","v5.6-rc7","v5.6-rc6","v5.6-rc3","v5.6-rc4","v5.6-rc2","v5.6-rc5","v5.5","v5.5-rc5","v5.5-rc7","v5.5-rc2","v5.5-rc1","v5.4","v5.5-rc4","v5.5-rc3","v5.5-rc6","v5.4-rc1","v5.4-rc6","v5.4-rc3","v5.4-rc4","v5.4-rc8","v5.4-rc7","v5.4-rc5","v5.3","v5.4-rc2","v5.3-rc5","v5.3-rc1","v5.3-rc2","v5.3-rc3","v5.3-rc8","v5.3-rc7","v5.3-rc4","v5.2","v5.3-rc6","v5.2-rc2","v5.2-rc7","v5.2-rc4","v5.2-rc1","v5.2-rc5","v5.2-rc6","v5.2-rc3","v5.1","v5.0-rc8","v5.1-rc7","v5.1-rc1","v5.1-rc6","v5.1-rc5","v5.0","v5.1-rc3","v5.1-rc2","v5.1-rc4","v5.0-rc1","v5.0-rc4","v5.0-rc3","v5.0-rc6","v5.0-rc7","v5.0-rc2","v5.0-rc5","v4.20-rc1","v4.19","v4.20","v4.20-rc7","v4.20-rc5","v4.20-rc6","v4.20-rc4","v4.20-rc2","v4.20-rc3","v4.19-rc2","v4.19-rc8","v4.19-rc4","v4.19-rc1","v4.19-rc7","v4.19-rc6","v4.19-rc5","v4.19-rc3","v4.18","v4.18-rc1","v4.18-rc8","v4.18-rc2","v4.18-rc5","v4.18-rc6","v4.18-rc7","v4.17","v4.18-rc3","v4.18-rc4","v4.17-rc1","v4.17-rc2","v4.17-rc7","v4.17-rc3","v4.17-rc4","v4.16","v4.17-rc6","v4.17-rc5","v4.16-rc7","v4.16-rc4","v4.16-rc1","v4.16-rc2","v4.16-rc5","v4.16-rc3","v4.16-rc6","v4.14","v4.15","v4.15-rc1","v4.15-rc4","v4.15-rc9","v4.15-rc8","v4.15-rc7","v4.15-rc3","v4.15-rc2","v4.15-rc5","v4.15-rc6","v4.14-rc1","v4.14-rc7","v4.14-rc3","v4.13","v4.14-rc8","v4.14-rc4","v4.14-rc6","v4.14-rc2","v4.14-rc5","v4.13-rc2","v4.13-rc1","v4.13-rc3","v4.13-rc7","v4.13-rc4","v4.13-rc5","v4.13-rc6","v4.12-rc1","v4.12","v4.12-rc5","v4.12-rc7","v4.12-rc6","v4.12-rc4","v4.12-rc2","v4.12-rc3","v4.11","v4.11-rc1","v4.11-rc6","v4.11-rc8","v4.11-rc7","v4.11-rc3","v4.11-rc5","v4.11-rc2","v4.11-rc4","v4.10","v4.9","v4.10-rc8","v4.10-rc3","v4.10-rc1","v4.10-rc7","v4.10-rc6","v4.10-rc2","v4.10-rc5","v4.10-rc4","v4.9-rc7","v4.9-rc6","v4.9-rc8","v4.9-rc1","v4.9-rc5","v4.9-rc3","v4.9-rc4","v4.9-rc2","v4.8","v4.8-rc8","v4.8-rc2","v4.8-rc1","v4.8-rc7","v4.8-rc6","v4.8-rc5","v4.8-rc4","v4.8-rc3","v4.7","v4.7-rc4","v4.7-rc2","v4.7-rc1","v4.7-rc7","v4.7-rc6","v4.7-rc3","v4.7-rc5","v4.6","v4.6-rc1","v4.6-rc6","v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