{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-50744",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-12-24T13:02:21.543Z",
        "datePublished": "2025-12-24T13:05:41.138Z",
        "dateUpdated": "2026-05-23T15:25:06.550Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-23T15:25:06.550Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "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": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/scsi/lpfc/lpfc_sli.c"
                    ],
                    "versions": [
                        {
                            "version": "21d65b35169112af9b6f873c8eeab972e60107c2",
                            "lessThan": "2cf66428a2545bb33beb9624124a2377468bb478",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2c9b5b8326b953f2f48338a7c889e6af457d146f",
                            "lessThan": "cd542900ee5147028bbe603b238efcab8d720838",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "bd269188ea94e40ab002cad7b0df8f12b8f0de54",
                            "lessThan": "39761417ea7b654217d6d9085afbf7c87ba3675d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "bd269188ea94e40ab002cad7b0df8f12b8f0de54",
                            "lessThan": "c44e50f4a0ec00c2298f31f91bc2c3e9bbd81c7e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "147d397e08a406f5997f8a1c7f747fe546bf8395",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5.15.78",
                            "lessThan": "5.15.86",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.0.3",
                            "lessThan": "6.0.16",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.19.17",
                            "lessThan": "5.20",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/scsi/lpfc/lpfc_sli.c"
                    ],
                    "versions": [
                        {
                            "version": "6.1",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.1",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.86",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.0.16",
                            "lessThanOrEqual": "6.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.2",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.2",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.15.78",
                                    "versionEndExcluding": "5.15.86"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.0.3",
                                    "versionEndExcluding": "6.0.16"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.1",
                                    "versionEndExcluding": "6.1.2"
                                },
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.1",
                                    "versionEndExcluding": "6.2"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.19.17"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/2cf66428a2545bb33beb9624124a2377468bb478"
                },
                {
                    "url": "https://git.kernel.org/stable/c/cd542900ee5147028bbe603b238efcab8d720838"
                },
                {
                    "url": "https://git.kernel.org/stable/c/39761417ea7b654217d6d9085afbf7c87ba3675d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c44e50f4a0ec00c2298f31f91bc2c3e9bbd81c7e"
                }
            ],
            "title": "scsi: lpfc: Fix hard lockup when reading the rx_monitor from debugfs",
            "x_generator": {
                "engine": "bippy-1.2.0"
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    }
}