CVE-2022-49082 (GCVE-0-2022-49082)
Vulnerability from cvelistv5
Published
2025-02-26 01:54
Modified
2025-05-04 08:29
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: scsi: mpt3sas: Fix use after free in _scsih_expander_node_remove() The function mpt3sas_transport_port_remove() called in _scsih_expander_node_remove() frees the port field of the sas_expander structure, leading to the following use-after-free splat from KASAN when the ioc_info() call following that function is executed (e.g. when doing rmmod of the driver module): [ 3479.371167] ================================================================== [ 3479.378496] BUG: KASAN: use-after-free in _scsih_expander_node_remove+0x710/0x750 [mpt3sas] [ 3479.386936] Read of size 1 at addr ffff8881c037691c by task rmmod/1531 [ 3479.393524] [ 3479.395035] CPU: 18 PID: 1531 Comm: rmmod Not tainted 5.17.0-rc8+ #1436 [ 3479.401712] Hardware name: Supermicro Super Server/H12SSL-NT, BIOS 2.1 06/02/2021 [ 3479.409263] Call Trace: [ 3479.411743] <TASK> [ 3479.413875] dump_stack_lvl+0x45/0x59 [ 3479.417582] print_address_description.constprop.0+0x1f/0x120 [ 3479.423389] ? _scsih_expander_node_remove+0x710/0x750 [mpt3sas] [ 3479.429469] kasan_report.cold+0x83/0xdf [ 3479.433438] ? _scsih_expander_node_remove+0x710/0x750 [mpt3sas] [ 3479.439514] _scsih_expander_node_remove+0x710/0x750 [mpt3sas] [ 3479.445411] ? _raw_spin_unlock_irqrestore+0x2d/0x40 [ 3479.452032] scsih_remove+0x525/0xc90 [mpt3sas] [ 3479.458212] ? mpt3sas_expander_remove+0x1d0/0x1d0 [mpt3sas] [ 3479.465529] ? down_write+0xde/0x150 [ 3479.470746] ? up_write+0x14d/0x460 [ 3479.475840] ? kernfs_find_ns+0x137/0x310 [ 3479.481438] pci_device_remove+0x65/0x110 [ 3479.487013] __device_release_driver+0x316/0x680 [ 3479.493180] driver_detach+0x1ec/0x2d0 [ 3479.498499] bus_remove_driver+0xe7/0x2d0 [ 3479.504081] pci_unregister_driver+0x26/0x250 [ 3479.510033] _mpt3sas_exit+0x2b/0x6cf [mpt3sas] [ 3479.516144] __x64_sys_delete_module+0x2fd/0x510 [ 3479.522315] ? free_module+0xaa0/0xaa0 [ 3479.527593] ? __cond_resched+0x1c/0x90 [ 3479.532951] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 3479.539607] ? syscall_enter_from_user_mode+0x21/0x70 [ 3479.546161] ? trace_hardirqs_on+0x1c/0x110 [ 3479.551828] do_syscall_64+0x35/0x80 [ 3479.556884] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 3479.563402] RIP: 0033:0x7f1fc482483b ... [ 3479.943087] ================================================================== Fix this by introducing the local variable port_id to store the port ID value before executing mpt3sas_transport_port_remove(). This local variable is then used in the call to ioc_info() instead of dereferencing the freed port structure.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/17d66b1c92bcb41e72271ec60069d3684aaa1c9cPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1bb8a7fc64d63ec818e367e1b37676ea2ef2d20cPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/25c1353dca74ad7cf3fd7ce258fe7c957a147d5ePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/87d663d40801dffc99a5ad3b0188ad3e2b4d1557Patch
Impacted products
Vendor Product Version
Linux Linux Version: 7d310f241001e090cf1ec0f3ae836b38d8c6ebec
Version: 7d310f241001e090cf1ec0f3ae836b38d8c6ebec
Version: 7d310f241001e090cf1ec0f3ae836b38d8c6ebec
Version: 7d310f241001e090cf1ec0f3ae836b38d8c6ebec
 Create a notification for this product.
   Linux Linux Version: 5.11
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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 7.8,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
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            "other": {
              "content": {
                "id": "CVE-2022-49082",
                "options": [
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                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
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                  {
                    "Technical Impact": "total"
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                "role": "CISA Coordinator",
                "timestamp": "2025-02-27T18:17:34.716925Z",
                "version": "2.0.3"
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        "problemTypes": [
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            "descriptions": [
              {
                "cweId": "CWE-416",
                "description": "CWE-416 Use After Free",
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        "providerMetadata": {
          "dateUpdated": "2025-02-27T18:22:35.454Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
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    "cna": {
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          "programFiles": [
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          "product": "Linux",
          "programFiles": [
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          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "version": "0",
              "versionType": "semver"
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              "version": "5.15.34",
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              "versionType": "original_commit_for_fix"
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      "cpeApplicability": [
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          "nodes": [
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                  "versionStartIncluding": "5.11",
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              "operator": "OR"
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      "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]  \u003cTASK\u003e\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."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-04T08:29:20.299Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "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"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-49082",
    "datePublished": "2025-02-26T01:54:42.101Z",
    "dateReserved": "2025-02-26T01:49:39.247Z",
    "dateUpdated": "2025-05-04T08:29:20.299Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-49082\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-02-26T07:00:45.540\",\"lastModified\":\"2025-03-25T18:55:58.707\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"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]  \u003cTASK\u003e\\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.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: scsi: mpt3sas: Se corrige el use-after-free en _scsih_expander_node_remove() La funci\u00f3n mpt3sas_transport_port_remove() llamada en _scsih_expander_node_remove() libera el campo de puerto de la estructura sas_expander, lo que lleva al siguiente splat de use-after-free de KASAN cuando se ejecuta la llamada ioc_info() despu\u00e9s de esa funci\u00f3n (por ejemplo, al realizar rmmod del m\u00f3dulo del controlador): [ 3479.371167] ===================================================================== [ 3479.378496] ERROR: KASAN: use-after-free en _scsih_expander_node_remove+0x710/0x750 [mpt3sas] [ 3479.386936] Lectura de tama\u00f1o 1 en la direcci\u00f3n ffff8881c037691c por la tarea rmmod/1531 [ 3479.393524] [ 3479.395035] CPU: 18 PID: 1531 Comm: rmmod No contaminado 5.17.0-rc8+ #1436 [ 3479.401712] Nombre del hardware: Supermicro Super Server/H12SSL-NT, BIOS 2.1 06/02/2021 [ 3479.409263] Call Trace: [ 3479.411743]  [ 3479.413875] dump_stack_lvl+0x45/0x59 [ 3479.417582] print_address_description.constprop.0+0x1f/0x120 [ 3479.423389] ? _scsih_expander_node_remove+0x710/0x750 [mpt3sas] [ 3479.429469] kasan_report.cold+0x83/0xdf [ 3479.433438] ? _scsih_expander_node_remove+0x710/0x750 [mpt3sas] [ 3479.439514] _scsih_expander_node_remove+0x710/0x750 [mpt3sas] [ 3479.445411] ? _raw_spin_unlock_irqrestore+0x2d/0x40 [ 3479.452032] scsih_remove+0x525/0xc90 [mpt3sas] [ 3479.458212] ? mpt3sas_expander_remove+0x1d0/0x1d0 [mpt3sas] [ 3479.465529] ? down_write+0xde/0x150 [ 3479.470746] ? up_write+0x14d/0x460 [ 3479.475840] ? kernfs_find_ns+0x137/0x310 [ 3479.481438] pci_device_remove+0x65/0x110 [ 3479.487013] __device_release_driver+0x316/0x680 [ 3479.493180] driver_detach+0x1ec/0x2d0 [ 3479.498499] bus_remove_driver+0xe7/0x2d0 [ 3479.504081] pci_unregister_driver+0x26/0x250 [ 3479.510033] _mpt3sas_exit+0x2b/0x6cf [mpt3sas] [ 3479.516144] __x64_sys_delete_module+0x2fd/0x510 [ 3479.522315] ? free_module+0xaa0/0xaa0 [ 3479.527593] ? __cond_resched+0x1c/0x90 [ 3479.532951] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 3479.539607] ? syscall_enter_from_user_mode+0x21/0x70 [ 3479.546161] ? trace_hardirqs_on+0x1c/0x110 [ 3479.551828] do_syscall_64+0x35/0x80 [ 3479.556884] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 3479.563402] RIP: 0033:0x7f1fc482483b ... [ 3479.943087] ======================================================================== Solucione esto introduciendo la variable local port_id para almacenar el valor del ID del puerto antes de ejecutar mpt3sas_transport_port_remove(). Luego, esta variable local se utiliza en la llamada a ioc_info() en lugar de desreferenciar la estructura del puerto liberado.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-416\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.34\",\"matchCriteriaId\":\"D25878D3-7761-4E9F-8919-E92CD53896E0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"5.16.20\",\"matchCriteriaId\":\"ABBBA66E-0244-4621-966B-9790AF1EEB00\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.17\",\"versionEndExcluding\":\"5.17.3\",\"matchCriteriaId\":\"AE420AC7-1E59-4398-B84F-71F4B4337762\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:5.18:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"6AD94161-84BB-42E6-9882-4FC0C42E9FC1\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/17d66b1c92bcb41e72271ec60069d3684aaa1c9c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/1bb8a7fc64d63ec818e367e1b37676ea2ef2d20c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/25c1353dca74ad7cf3fd7ce258fe7c957a147d5e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/87d663d40801dffc99a5ad3b0188ad3e2b4d1557\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}",
    "vulnrichment": {
      "containers": "{\"cna\": {\"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-02-26T01:54:42.101Z\"}, \"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]  \u003cTASK\u003e\\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\"}]}], \"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-5f407fcff5a0\"}}, \"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"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\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-02-27T18:17:36.405Z\"}}]}",
      "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\": \"2025-02-27T18:22:35.454Z\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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