cve-2022-48918
Vulnerability from cvelistv5
Published
2024-08-22 01:32
Modified
2024-12-19 08:10
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: iwlwifi: mvm: check debugfs_dir ptr before use When "debugfs=off" is used on the kernel command line, iwiwifi's mvm module uses an invalid/unchecked debugfs_dir pointer and causes a BUG: BUG: kernel NULL pointer dereference, address: 000000000000004f #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 0 P4D 0 Oops: 0000 [#1] PREEMPT SMP CPU: 1 PID: 503 Comm: modprobe Tainted: G W 5.17.0-rc5 #7 Hardware name: Dell Inc. Inspiron 15 5510/076F7Y, BIOS 2.4.1 11/05/2021 RIP: 0010:iwl_mvm_dbgfs_register+0x692/0x700 [iwlmvm] Code: 69 a0 be 80 01 00 00 48 c7 c7 50 73 6a a0 e8 95 cf ee e0 48 8b 83 b0 1e 00 00 48 c7 c2 54 73 6a a0 be 64 00 00 00 48 8d 7d 8c <48> 8b 48 50 e8 15 22 07 e1 48 8b 43 28 48 8d 55 8c 48 c7 c7 5f 73 RSP: 0018:ffffc90000a0ba68 EFLAGS: 00010246 RAX: ffffffffffffffff RBX: ffff88817d6e3328 RCX: ffff88817d6e3328 RDX: ffffffffa06a7354 RSI: 0000000000000064 RDI: ffffc90000a0ba6c RBP: ffffc90000a0bae0 R08: ffffffff824e4880 R09: ffffffffa069d620 R10: ffffc90000a0ba00 R11: ffffffffffffffff R12: 0000000000000000 R13: ffffc90000a0bb28 R14: ffff88817d6e3328 R15: ffff88817d6e3320 FS: 00007f64dd92d740(0000) GS:ffff88847f640000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000000004f CR3: 000000016fc79001 CR4: 0000000000770ee0 PKRU: 55555554 Call Trace: <TASK> ? iwl_mvm_mac_setup_register+0xbdc/0xda0 [iwlmvm] iwl_mvm_start_post_nvm+0x71/0x100 [iwlmvm] iwl_op_mode_mvm_start+0xab8/0xb30 [iwlmvm] _iwl_op_mode_start+0x6f/0xd0 [iwlwifi] iwl_opmode_register+0x6a/0xe0 [iwlwifi] ? 0xffffffffa0231000 iwl_mvm_init+0x35/0x1000 [iwlmvm] ? 0xffffffffa0231000 do_one_initcall+0x5a/0x1b0 ? kmem_cache_alloc+0x1e5/0x2f0 ? do_init_module+0x1e/0x220 do_init_module+0x48/0x220 load_module+0x2602/0x2bc0 ? __kernel_read+0x145/0x2e0 ? kernel_read_file+0x229/0x290 __do_sys_finit_module+0xc5/0x130 ? __do_sys_finit_module+0xc5/0x130 __x64_sys_finit_module+0x13/0x20 do_syscall_64+0x38/0x90 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f64dda564dd Code: 5b 41 5c c3 66 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 1b 29 0f 00 f7 d8 64 89 01 48 RSP: 002b:00007ffdba393f88 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f64dda564dd RDX: 0000000000000000 RSI: 00005575399e2ab2 RDI: 0000000000000001 RBP: 000055753a91c5e0 R08: 0000000000000000 R09: 0000000000000002 R10: 0000000000000001 R11: 0000000000000246 R12: 00005575399e2ab2 R13: 000055753a91ceb0 R14: 0000000000000000 R15: 000055753a923018 </TASK> Modules linked in: btintel(+) btmtk bluetooth vfat snd_hda_codec_hdmi fat snd_hda_codec_realtek snd_hda_codec_generic iwlmvm(+) snd_sof_pci_intel_tgl mac80211 snd_sof_intel_hda_common soundwire_intel soundwire_generic_allocation soundwire_cadence soundwire_bus snd_sof_intel_hda snd_sof_pci snd_sof snd_sof_xtensa_dsp snd_soc_hdac_hda snd_hda_ext_core snd_soc_acpi_intel_match snd_soc_acpi snd_soc_core btrfs snd_compress snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec raid6_pq iwlwifi snd_hda_core snd_pcm snd_timer snd soundcore cfg80211 intel_ish_ipc(+) thunderbolt rfkill intel_ishtp ucsi_acpi wmi i2c_hid_acpi i2c_hid evdev CR2: 000000000000004f ---[ end trace 0000000000000000 ]--- Check the debugfs_dir pointer for an error before using it. [change to make both conditional]
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5a6248c0a22352f09ea041665d3bd3e18f6f872cPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7de1ed755e1ace30d97a724bad32452ed86b653bPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/fe51975ff13831e794e1bcd0039b305dcad3d7baPatch
Impacted products
Vendor Product Version
Linux Linux Version: 5.12
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
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            "other": {
              "content": {
                "id": "CVE-2022-48918",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-09-10T15:33:38.078569Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
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        "providerMetadata": {
          "dateUpdated": "2024-09-12T17:33:01.314Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "7de1ed755e1ace30d97a724bad32452ed86b653b",
              "status": "affected",
              "version": "8c082a99edb997d7999eb7cdb648e47a2bf4a638",
              "versionType": "git"
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              "lessThan": "fe51975ff13831e794e1bcd0039b305dcad3d7ba",
              "status": "affected",
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              "versionType": "git"
            },
            {
              "lessThan": "5a6248c0a22352f09ea041665d3bd3e18f6f872c",
              "status": "affected",
              "version": "8c082a99edb997d7999eb7cdb648e47a2bf4a638",
              "versionType": "git"
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          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.12"
            },
            {
              "lessThan": "5.12",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.27",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.16.*",
              "status": "unaffected",
              "version": "5.16.13",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "5.17",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niwlwifi: mvm: check debugfs_dir ptr before use\n\nWhen \"debugfs=off\" is used on the kernel command line, iwiwifi\u0027s\nmvm module uses an invalid/unchecked debugfs_dir pointer and causes\na BUG:\n\n BUG: kernel NULL pointer dereference, address: 000000000000004f\n #PF: supervisor read access in kernel mode\n #PF: error_code(0x0000) - not-present page\n PGD 0 P4D 0\n Oops: 0000 [#1] PREEMPT SMP\n CPU: 1 PID: 503 Comm: modprobe Tainted: G        W         5.17.0-rc5 #7\n Hardware name: Dell Inc. Inspiron 15 5510/076F7Y, BIOS 2.4.1 11/05/2021\n RIP: 0010:iwl_mvm_dbgfs_register+0x692/0x700 [iwlmvm]\n Code: 69 a0 be 80 01 00 00 48 c7 c7 50 73 6a a0 e8 95 cf ee e0 48 8b 83 b0 1e 00 00 48 c7 c2 54 73 6a a0 be 64 00 00 00 48 8d 7d 8c \u003c48\u003e 8b 48 50 e8 15 22 07 e1 48 8b 43 28 48 8d 55 8c 48 c7 c7 5f 73\n RSP: 0018:ffffc90000a0ba68 EFLAGS: 00010246\n RAX: ffffffffffffffff RBX: ffff88817d6e3328 RCX: ffff88817d6e3328\n RDX: ffffffffa06a7354 RSI: 0000000000000064 RDI: ffffc90000a0ba6c\n RBP: ffffc90000a0bae0 R08: ffffffff824e4880 R09: ffffffffa069d620\n R10: ffffc90000a0ba00 R11: ffffffffffffffff R12: 0000000000000000\n R13: ffffc90000a0bb28 R14: ffff88817d6e3328 R15: ffff88817d6e3320\n FS:  00007f64dd92d740(0000) GS:ffff88847f640000(0000) knlGS:0000000000000000\n CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n CR2: 000000000000004f CR3: 000000016fc79001 CR4: 0000000000770ee0\n PKRU: 55555554\n Call Trace:\n  \u003cTASK\u003e\n  ? iwl_mvm_mac_setup_register+0xbdc/0xda0 [iwlmvm]\n  iwl_mvm_start_post_nvm+0x71/0x100 [iwlmvm]\n  iwl_op_mode_mvm_start+0xab8/0xb30 [iwlmvm]\n  _iwl_op_mode_start+0x6f/0xd0 [iwlwifi]\n  iwl_opmode_register+0x6a/0xe0 [iwlwifi]\n  ? 0xffffffffa0231000\n  iwl_mvm_init+0x35/0x1000 [iwlmvm]\n  ? 0xffffffffa0231000\n  do_one_initcall+0x5a/0x1b0\n  ? kmem_cache_alloc+0x1e5/0x2f0\n  ? do_init_module+0x1e/0x220\n  do_init_module+0x48/0x220\n  load_module+0x2602/0x2bc0\n  ? __kernel_read+0x145/0x2e0\n  ? kernel_read_file+0x229/0x290\n  __do_sys_finit_module+0xc5/0x130\n  ? __do_sys_finit_module+0xc5/0x130\n  __x64_sys_finit_module+0x13/0x20\n  do_syscall_64+0x38/0x90\n  entry_SYSCALL_64_after_hwframe+0x44/0xae\n RIP: 0033:0x7f64dda564dd\n Code: 5b 41 5c c3 66 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 \u003c48\u003e 3d 01 f0 ff ff 73 01 c3 48 8b 0d 1b 29 0f 00 f7 d8 64 89 01 48\n RSP: 002b:00007ffdba393f88 EFLAGS: 00000246 ORIG_RAX: 0000000000000139\n RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f64dda564dd\n RDX: 0000000000000000 RSI: 00005575399e2ab2 RDI: 0000000000000001\n RBP: 000055753a91c5e0 R08: 0000000000000000 R09: 0000000000000002\n R10: 0000000000000001 R11: 0000000000000246 R12: 00005575399e2ab2\n R13: 000055753a91ceb0 R14: 0000000000000000 R15: 000055753a923018\n  \u003c/TASK\u003e\n Modules linked in: btintel(+) btmtk bluetooth vfat snd_hda_codec_hdmi fat snd_hda_codec_realtek snd_hda_codec_generic iwlmvm(+) snd_sof_pci_intel_tgl mac80211 snd_sof_intel_hda_common soundwire_intel soundwire_generic_allocation soundwire_cadence soundwire_bus snd_sof_intel_hda snd_sof_pci snd_sof snd_sof_xtensa_dsp snd_soc_hdac_hda snd_hda_ext_core snd_soc_acpi_intel_match snd_soc_acpi snd_soc_core btrfs snd_compress snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec raid6_pq iwlwifi snd_hda_core snd_pcm snd_timer snd soundcore cfg80211 intel_ish_ipc(+) thunderbolt rfkill intel_ishtp ucsi_acpi wmi i2c_hid_acpi i2c_hid evdev\n CR2: 000000000000004f\n ---[ end trace 0000000000000000 ]---\n\nCheck the debugfs_dir pointer for an error before using it.\n\n[change to make both conditional]"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-12-19T08:10:29.505Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/7de1ed755e1ace30d97a724bad32452ed86b653b"
        },
        {
          "url": "https://git.kernel.org/stable/c/fe51975ff13831e794e1bcd0039b305dcad3d7ba"
        },
        {
          "url": "https://git.kernel.org/stable/c/5a6248c0a22352f09ea041665d3bd3e18f6f872c"
        }
      ],
      "title": "iwlwifi: mvm: check debugfs_dir ptr before use",
      "x_generator": {
        "engine": "bippy-5f407fcff5a0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-48918",
    "datePublished": "2024-08-22T01:32:33.271Z",
    "dateReserved": "2024-08-21T06:06:23.295Z",
    "dateUpdated": "2024-12-19T08:10:29.505Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-48918\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-08-22T02:15:05.920\",\"lastModified\":\"2024-08-27T16:07:19.127\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\niwlwifi: mvm: check debugfs_dir ptr before use\\n\\nWhen \\\"debugfs=off\\\" is used on the kernel command line, iwiwifi\u0027s\\nmvm module uses an invalid/unchecked debugfs_dir pointer and causes\\na BUG:\\n\\n BUG: kernel NULL pointer dereference, address: 000000000000004f\\n #PF: supervisor read access in kernel mode\\n #PF: error_code(0x0000) - not-present page\\n PGD 0 P4D 0\\n Oops: 0000 [#1] PREEMPT SMP\\n CPU: 1 PID: 503 Comm: modprobe Tainted: G        W         5.17.0-rc5 #7\\n Hardware name: Dell Inc. Inspiron 15 5510/076F7Y, BIOS 2.4.1 11/05/2021\\n RIP: 0010:iwl_mvm_dbgfs_register+0x692/0x700 [iwlmvm]\\n Code: 69 a0 be 80 01 00 00 48 c7 c7 50 73 6a a0 e8 95 cf ee e0 48 8b 83 b0 1e 00 00 48 c7 c2 54 73 6a a0 be 64 00 00 00 48 8d 7d 8c \u003c48\u003e 8b 48 50 e8 15 22 07 e1 48 8b 43 28 48 8d 55 8c 48 c7 c7 5f 73\\n RSP: 0018:ffffc90000a0ba68 EFLAGS: 00010246\\n RAX: ffffffffffffffff RBX: ffff88817d6e3328 RCX: ffff88817d6e3328\\n RDX: ffffffffa06a7354 RSI: 0000000000000064 RDI: ffffc90000a0ba6c\\n RBP: ffffc90000a0bae0 R08: ffffffff824e4880 R09: ffffffffa069d620\\n R10: ffffc90000a0ba00 R11: ffffffffffffffff R12: 0000000000000000\\n R13: ffffc90000a0bb28 R14: ffff88817d6e3328 R15: ffff88817d6e3320\\n FS:  00007f64dd92d740(0000) GS:ffff88847f640000(0000) knlGS:0000000000000000\\n CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\\n CR2: 000000000000004f CR3: 000000016fc79001 CR4: 0000000000770ee0\\n PKRU: 55555554\\n Call Trace:\\n  \u003cTASK\u003e\\n  ? iwl_mvm_mac_setup_register+0xbdc/0xda0 [iwlmvm]\\n  iwl_mvm_start_post_nvm+0x71/0x100 [iwlmvm]\\n  iwl_op_mode_mvm_start+0xab8/0xb30 [iwlmvm]\\n  _iwl_op_mode_start+0x6f/0xd0 [iwlwifi]\\n  iwl_opmode_register+0x6a/0xe0 [iwlwifi]\\n  ? 0xffffffffa0231000\\n  iwl_mvm_init+0x35/0x1000 [iwlmvm]\\n  ? 0xffffffffa0231000\\n  do_one_initcall+0x5a/0x1b0\\n  ? kmem_cache_alloc+0x1e5/0x2f0\\n  ? do_init_module+0x1e/0x220\\n  do_init_module+0x48/0x220\\n  load_module+0x2602/0x2bc0\\n  ? __kernel_read+0x145/0x2e0\\n  ? kernel_read_file+0x229/0x290\\n  __do_sys_finit_module+0xc5/0x130\\n  ? __do_sys_finit_module+0xc5/0x130\\n  __x64_sys_finit_module+0x13/0x20\\n  do_syscall_64+0x38/0x90\\n  entry_SYSCALL_64_after_hwframe+0x44/0xae\\n RIP: 0033:0x7f64dda564dd\\n Code: 5b 41 5c c3 66 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 \u003c48\u003e 3d 01 f0 ff ff 73 01 c3 48 8b 0d 1b 29 0f 00 f7 d8 64 89 01 48\\n RSP: 002b:00007ffdba393f88 EFLAGS: 00000246 ORIG_RAX: 0000000000000139\\n RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f64dda564dd\\n RDX: 0000000000000000 RSI: 00005575399e2ab2 RDI: 0000000000000001\\n RBP: 000055753a91c5e0 R08: 0000000000000000 R09: 0000000000000002\\n R10: 0000000000000001 R11: 0000000000000246 R12: 00005575399e2ab2\\n R13: 000055753a91ceb0 R14: 0000000000000000 R15: 000055753a923018\\n  \u003c/TASK\u003e\\n Modules linked in: btintel(+) btmtk bluetooth vfat snd_hda_codec_hdmi fat snd_hda_codec_realtek snd_hda_codec_generic iwlmvm(+) snd_sof_pci_intel_tgl mac80211 snd_sof_intel_hda_common soundwire_intel soundwire_generic_allocation soundwire_cadence soundwire_bus snd_sof_intel_hda snd_sof_pci snd_sof snd_sof_xtensa_dsp snd_soc_hdac_hda snd_hda_ext_core snd_soc_acpi_intel_match snd_soc_acpi snd_soc_core btrfs snd_compress snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec raid6_pq iwlwifi snd_hda_core snd_pcm snd_timer snd soundcore cfg80211 intel_ish_ipc(+) thunderbolt rfkill intel_ishtp ucsi_acpi wmi i2c_hid_acpi i2c_hid evdev\\n CR2: 000000000000004f\\n ---[ end trace 0000000000000000 ]---\\n\\nCheck the debugfs_dir pointer for an error before using it.\\n\\n[change to make both conditional]\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: iwlwifi: mvm: verifique debugfs_dir ptr antes de usarlo Cuando se usa \\\"debugfs=off\\\" en la l\u00ednea de comando del kernel, el m\u00f3dulo mvm de iwiwifi usa un puntero debugfs_dir no v\u00e1lido/no verificado y causa un ERROR: ERROR: desreferencia del puntero NULL del kernel, direcci\u00f3n: 000000000000004f #PF: acceso de lectura del supervisor en modo kernel #PF: c\u00f3digo_error(0x0000) - p\u00e1gina no presente PGD 0 P4D 0 Ups: 0000 [#1] PREEMPT SMP CPU: 1 PID: 503 Comunicaci\u00f3n: modprobe Contaminado: GW 5.17.0-rc5 #7 Nombre del hardware: Dell Inc. Inspiron 15 5510/076F7Y, BIOS 2.4.1 05/11/2021 RIP: 0010:iwl_mvm_dbgfs_register+0x692/0x700 [iwlmvm] C\u00f3digo: 69 a0 be 80 01 00 00 48 c7 c7 50 73 6a a0 e8 95 cf ee e0 48 8b 83 b0 1e 00 00 48 c7 c2 54 73 6a a0 be 64 00 00 00 48 8d 7d 8c \u0026lt;48\u0026gt; 8b 48 50 e8 22 07 e1 48 8b 43 28 48 8d 55 8c 48 c7 c7 5f 73 RSP: 0018:ffffc90000a0ba68 EFLAGS: 00010246 RAX: ffffffffffffffff RBX: ffff88817d6e3328 RCX: ffff88817d6e332 8 RDX: fffffffa06a7354 RSI: 0000000000000064 RDI: ffffc90000a0ba6c RBP: ffffc90000a0bae0 R08: ffffffff824e4880 R09: fffffffa069d620 R10 : ffffc90000a0ba00 R11: ffffffffffffffff R12: 0000000000000000 R13: ffffc90000a0bb28 R14: ffff88817d6e3328 R15: ffff88817d6e3320 FS: 00007f64dd92d74 0(0000) GS:ffff88847f640000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000000004f CR3: fc79001 CR4: 0000000000770ee0 PKRU: 55555554 Seguimiento de llamadas:  ? iwl_mvm_mac_setup_register+0xbdc/0xda0 [iwlmvm] iwl_mvm_start_post_nvm+0x71/0x100 [iwlmvm] iwl_op_mode_mvm_start+0xab8/0xb30 [iwlmvm] _iwl_op_mode_start+0x6f/0xd0 [iwlwifi] _opmode_register+0x6a/0xe0 [iwlwifi] ? 0xffffffffa0231000 iwl_mvm_init+0x35/0x1000 [iwlmvm]? 0xffffffffa0231000 do_one_initcall+0x5a/0x1b0? kmem_cache_alloc+0x1e5/0x2f0? do_init_module+0x1e/0x220 do_init_module+0x48/0x220 load_module+0x2602/0x2bc0 ? __kernel_read+0x145/0x2e0? kernel_read_file+0x229/0x290 __do_sys_finit_module+0xc5/0x130 ? __do_sys_finit_module+0xc5/0x130 __x64_sys_finit_module+0x13/0x20 do_syscall_64+0x38/0x90 Entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f64dda564dd C\u00f3digo: 5b 41 c3 66 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 \u0026lt;48\u0026gt; 3d 01 f0 ff ff 73 01 c3 48 8b 0d 1b 29 0f 00 f7 d8 64 89 01 48 RSP:0 0007ffdba393f88 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f64dda564dd RDX: 0000000000000000 RSI: 00005575399e2ab2 RDI: 0000000000000001 RBP: 000055753a91c5e0 R08: 0000000000000000 R09: 0000000000000002 R10: 0000000000000001 R11: 00000000000000246 R12: 00005575399e2ab2 R13: 000055753a91ceb0 R14: 0000000000000000 R15: 000055753a923018 \u0026lt; /TASK\u0026gt; M\u00f3dulos vinculados en: btintel(+) btmtk bluetooth vfat snd_hda_codec_hdmi fat snd_hda_codec_realtek snd_hda_codec_generic iwlmvm(+) snd_sof_pci_intel_tgl mac80211 snd_sof_intel_hda_common soundwire_intel soundwire_generic_allocation soundwire_cade nce soundwire_bus snd_sof_intel_hda snd_sof_pci snd_sof snd_sof_xtensa_dsp snd_soc_hdac_hda snd_hda_ext_core snd_soc_acpi_intel_match snd_soc_acpi snd_soc_core btrfs snd_compress snd_hda_intel tel_dspcfg snd_intel_sdw_acpi snd_hda_codec raid6_pq iwlwifi snd_hda_core snd_pcm snd_timer snd soundcore cfg80211 intel_ish_ipc(+) thunderbolt rfkill intel_ishtp ucsi_acpi wmi i2c_hid_acpi i2c_hid evdev CR2: 000000000000004f ---[ end trace 00000000000000000 ]--- Verifique el puntero debugfs_dir para ver si hay un error antes de usarlo . [cambiar para hacer ambos condicionales]\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.12\",\"versionEndExcluding\":\"5.15.27\",\"matchCriteriaId\":\"0124F44D-3165-4025-A6AD-1C47145E6B2A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"5.16.13\",\"matchCriteriaId\":\"B871B667-EDC0-435D-909E-E918D8D90995\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/5a6248c0a22352f09ea041665d3bd3e18f6f872c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/7de1ed755e1ace30d97a724bad32452ed86b653b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/fe51975ff13831e794e1bcd0039b305dcad3d7ba\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
  }
}


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