{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2022-49082", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-02-26T01:49:39.247Z", "datePublished": "2025-02-26T01:54:42.101Z", "dateUpdated": "2026-05-11T18:52:41.106Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T18:52:41.106Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: mpt3sas: Fix use after free in _scsih_expander_node_remove()\n\nThe function mpt3sas_transport_port_remove() called in\n_scsih_expander_node_remove() frees the port field of the sas_expander\nstructure, leading to the following use-after-free splat from KASAN when\nthe ioc_info() call following that function is executed (e.g. when doing\nrmmod of the driver module):\n\n[ 3479.371167] ==================================================================\n[ 3479.378496] BUG: KASAN: use-after-free in _scsih_expander_node_remove+0x710/0x750 [mpt3sas]\n[ 3479.386936] Read of size 1 at addr ffff8881c037691c by task rmmod/1531\n[ 3479.393524]\n[ 3479.395035] CPU: 18 PID: 1531 Comm: rmmod Not tainted 5.17.0-rc8+ #1436\n[ 3479.401712] Hardware name: Supermicro Super Server/H12SSL-NT, BIOS 2.1 06/02/2021\n[ 3479.409263] Call Trace:\n[ 3479.411743] \n[ 3479.413875] dump_stack_lvl+0x45/0x59\n[ 3479.417582] print_address_description.constprop.0+0x1f/0x120\n[ 3479.423389] ? _scsih_expander_node_remove+0x710/0x750 [mpt3sas]\n[ 3479.429469] kasan_report.cold+0x83/0xdf\n[ 3479.433438] ? _scsih_expander_node_remove+0x710/0x750 [mpt3sas]\n[ 3479.439514] _scsih_expander_node_remove+0x710/0x750 [mpt3sas]\n[ 3479.445411] ? _raw_spin_unlock_irqrestore+0x2d/0x40\n[ 3479.452032] scsih_remove+0x525/0xc90 [mpt3sas]\n[ 3479.458212] ? mpt3sas_expander_remove+0x1d0/0x1d0 [mpt3sas]\n[ 3479.465529] ? down_write+0xde/0x150\n[ 3479.470746] ? up_write+0x14d/0x460\n[ 3479.475840] ? kernfs_find_ns+0x137/0x310\n[ 3479.481438] pci_device_remove+0x65/0x110\n[ 3479.487013] __device_release_driver+0x316/0x680\n[ 3479.493180] driver_detach+0x1ec/0x2d0\n[ 3479.498499] bus_remove_driver+0xe7/0x2d0\n[ 3479.504081] pci_unregister_driver+0x26/0x250\n[ 3479.510033] _mpt3sas_exit+0x2b/0x6cf [mpt3sas]\n[ 3479.516144] __x64_sys_delete_module+0x2fd/0x510\n[ 3479.522315] ? free_module+0xaa0/0xaa0\n[ 3479.527593] ? __cond_resched+0x1c/0x90\n[ 3479.532951] ? lockdep_hardirqs_on_prepare+0x273/0x3e0\n[ 3479.539607] ? syscall_enter_from_user_mode+0x21/0x70\n[ 3479.546161] ? trace_hardirqs_on+0x1c/0x110\n[ 3479.551828] do_syscall_64+0x35/0x80\n[ 3479.556884] entry_SYSCALL_64_after_hwframe+0x44/0xae\n[ 3479.563402] RIP: 0033:0x7f1fc482483b\n...\n[ 3479.943087] ==================================================================\n\nFix this by introducing the local variable port_id to store the port ID\nvalue before executing mpt3sas_transport_port_remove(). This local variable\nis then used in the call to ioc_info() instead of dereferencing the freed\nport structure." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/scsi/mpt3sas/mpt3sas_scsih.c" ], "versions": [ { "version": "7d310f241001e090cf1ec0f3ae836b38d8c6ebec", "lessThan": "25c1353dca74ad7cf3fd7ce258fe7c957a147d5e", "status": "affected", "versionType": "git" }, { "version": "7d310f241001e090cf1ec0f3ae836b38d8c6ebec", "lessThan": "17d66b1c92bcb41e72271ec60069d3684aaa1c9c", "status": "affected", "versionType": "git" }, { "version": "7d310f241001e090cf1ec0f3ae836b38d8c6ebec", "lessThan": "1bb8a7fc64d63ec818e367e1b37676ea2ef2d20c", "status": "affected", "versionType": "git" }, { "version": "7d310f241001e090cf1ec0f3ae836b38d8c6ebec", "lessThan": "87d663d40801dffc99a5ad3b0188ad3e2b4d1557", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/scsi/mpt3sas/mpt3sas_scsih.c" ], "versions": [ { "version": "5.11", "status": "affected" }, { "version": "0", "lessThan": "5.11", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.34", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.16.20", "lessThanOrEqual": "5.16.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.17.3", "lessThanOrEqual": "5.17.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.18", "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": "5.11", "versionEndExcluding": "5.15.34" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11", "versionEndExcluding": "5.16.20" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11", "versionEndExcluding": "5.17.3" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11", "versionEndExcluding": "5.18" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/25c1353dca74ad7cf3fd7ce258fe7c957a147d5e" }, { "url": "https://git.kernel.org/stable/c/17d66b1c92bcb41e72271ec60069d3684aaa1c9c" }, { "url": "https://git.kernel.org/stable/c/1bb8a7fc64d63ec818e367e1b37676ea2ef2d20c" }, { "url": "https://git.kernel.org/stable/c/87d663d40801dffc99a5ad3b0188ad3e2b4d1557" } ], "title": "scsi: mpt3sas: Fix use after free in _scsih_expander_node_remove()", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "metrics": [ { "cvssV3_1": { "scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH" } }, { "other": { "type": "ssvc", "content": { "id": "CVE-2022-49082", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "total" } ], "version": "2.0.3", "timestamp": "2025-02-27T18:17:34.716925Z" } } } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "type": "CWE", "cweId": "CWE-416", "description": "CWE-416 Use After Free" } ] } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-02-27T18:22:35.454Z" } } ] } }