cve-2023-52808
Vulnerability from cvelistv5
Published
2024-05-21 15:31
Modified
2024-12-19 08:26
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: scsi: hisi_sas: Set debugfs_dir pointer to NULL after removing debugfs If init debugfs failed during device registration due to memory allocation failure, debugfs_remove_recursive() is called, after which debugfs_dir is not set to NULL. debugfs_remove_recursive() will be called again during device removal. As a result, illegal pointer is accessed. [ 1665.467244] hisi_sas_v3_hw 0000:b4:02.0: failed to init debugfs! ... [ 1669.836708] Unable to handle kernel NULL pointer dereference at virtual address 00000000000000a0 [ 1669.872669] pc : down_write+0x24/0x70 [ 1669.876315] lr : down_write+0x1c/0x70 [ 1669.879961] sp : ffff000036f53a30 [ 1669.883260] x29: ffff000036f53a30 x28: ffffa027c31549f8 [ 1669.888547] x27: ffffa027c3140000 x26: 0000000000000000 [ 1669.893834] x25: ffffa027bf37c270 x24: ffffa027bf37c270 [ 1669.899122] x23: ffff0000095406b8 x22: ffff0000095406a8 [ 1669.904408] x21: 0000000000000000 x20: ffffa027bf37c310 [ 1669.909695] x19: 00000000000000a0 x18: ffff8027dcd86f10 [ 1669.914982] x17: 0000000000000000 x16: 0000000000000000 [ 1669.920268] x15: 0000000000000000 x14: ffffa0274014f870 [ 1669.925555] x13: 0000000000000040 x12: 0000000000000228 [ 1669.930842] x11: 0000000000000020 x10: 0000000000000bb0 [ 1669.936129] x9 : ffff000036f537f0 x8 : ffff80273088ca10 [ 1669.941416] x7 : 000000000000001d x6 : 00000000ffffffff [ 1669.946702] x5 : ffff000008a36310 x4 : ffff80273088be00 [ 1669.951989] x3 : ffff000009513e90 x2 : 0000000000000000 [ 1669.957276] x1 : 00000000000000a0 x0 : ffffffff00000001 [ 1669.962563] Call trace: [ 1669.965000] down_write+0x24/0x70 [ 1669.968301] debugfs_remove_recursive+0x5c/0x1b0 [ 1669.972905] hisi_sas_debugfs_exit+0x24/0x30 [hisi_sas_main] [ 1669.978541] hisi_sas_v3_remove+0x130/0x150 [hisi_sas_v3_hw] [ 1669.984175] pci_device_remove+0x48/0xd8 [ 1669.988082] device_release_driver_internal+0x1b4/0x250 [ 1669.993282] device_release_driver+0x28/0x38 [ 1669.997534] pci_stop_bus_device+0x84/0xb8 [ 1670.001611] pci_stop_and_remove_bus_device_locked+0x24/0x40 [ 1670.007244] remove_store+0xfc/0x140 [ 1670.010802] dev_attr_store+0x44/0x60 [ 1670.014448] sysfs_kf_write+0x58/0x80 [ 1670.018095] kernfs_fop_write+0xe8/0x1f0 [ 1670.022000] __vfs_write+0x60/0x190 [ 1670.025472] vfs_write+0xac/0x1c0 [ 1670.028771] ksys_write+0x6c/0xd8 [ 1670.032071] __arm64_sys_write+0x24/0x30 [ 1670.035977] el0_svc_common+0x78/0x130 [ 1670.039710] el0_svc_handler+0x38/0x78 [ 1670.043442] el0_svc+0x8/0xc To fix this, set debugfs_dir to NULL after debugfs_remove_recursive().
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/33331b265aac9441ac0c1a5442e3f05d038240ec
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6de426f9276c448e2db7238911c97fb157cb23be
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/75a2656260fe8c7eeabda6ff4600b29e183f48db
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b4465009e7d60c6111946db4c8f1e50d401ed7be
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f0bfc8a5561fb0b2c48183dcbfe00bdd6d973bd3
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/33331b265aac9441ac0c1a5442e3f05d038240ec
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/6de426f9276c448e2db7238911c97fb157cb23be
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/75a2656260fe8c7eeabda6ff4600b29e183f48db
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/b4465009e7d60c6111946db4c8f1e50d401ed7be
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/f0bfc8a5561fb0b2c48183dcbfe00bdd6d973bd3
Impacted products
Vendor Product Version
Linux Linux
Show details on NVD website

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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: hisi_sas: Set debugfs_dir pointer to NULL after removing debugfs\n\nIf init debugfs failed during device registration due to memory allocation\nfailure, debugfs_remove_recursive() is called, after which debugfs_dir is\nnot set to NULL. debugfs_remove_recursive() will be called again during\ndevice removal. As a result, illegal pointer is accessed.\n\n[ 1665.467244] hisi_sas_v3_hw 0000:b4:02.0: failed to init debugfs!\n...\n[ 1669.836708] Unable to handle kernel NULL pointer dereference at virtual address 00000000000000a0\n[ 1669.872669] pc : down_write+0x24/0x70\n[ 1669.876315] lr : down_write+0x1c/0x70\n[ 1669.879961] sp : ffff000036f53a30\n[ 1669.883260] x29: ffff000036f53a30 x28: ffffa027c31549f8\n[ 1669.888547] x27: ffffa027c3140000 x26: 0000000000000000\n[ 1669.893834] x25: ffffa027bf37c270 x24: ffffa027bf37c270\n[ 1669.899122] x23: ffff0000095406b8 x22: ffff0000095406a8\n[ 1669.904408] x21: 0000000000000000 x20: ffffa027bf37c310\n[ 1669.909695] x19: 00000000000000a0 x18: ffff8027dcd86f10\n[ 1669.914982] x17: 0000000000000000 x16: 0000000000000000\n[ 1669.920268] x15: 0000000000000000 x14: ffffa0274014f870\n[ 1669.925555] x13: 0000000000000040 x12: 0000000000000228\n[ 1669.930842] x11: 0000000000000020 x10: 0000000000000bb0\n[ 1669.936129] x9 : ffff000036f537f0 x8 : ffff80273088ca10\n[ 1669.941416] x7 : 000000000000001d x6 : 00000000ffffffff\n[ 1669.946702] x5 : ffff000008a36310 x4 : ffff80273088be00\n[ 1669.951989] x3 : ffff000009513e90 x2 : 0000000000000000\n[ 1669.957276] x1 : 00000000000000a0 x0 : ffffffff00000001\n[ 1669.962563] Call trace:\n[ 1669.965000]  down_write+0x24/0x70\n[ 1669.968301]  debugfs_remove_recursive+0x5c/0x1b0\n[ 1669.972905]  hisi_sas_debugfs_exit+0x24/0x30 [hisi_sas_main]\n[ 1669.978541]  hisi_sas_v3_remove+0x130/0x150 [hisi_sas_v3_hw]\n[ 1669.984175]  pci_device_remove+0x48/0xd8\n[ 1669.988082]  device_release_driver_internal+0x1b4/0x250\n[ 1669.993282]  device_release_driver+0x28/0x38\n[ 1669.997534]  pci_stop_bus_device+0x84/0xb8\n[ 1670.001611]  pci_stop_and_remove_bus_device_locked+0x24/0x40\n[ 1670.007244]  remove_store+0xfc/0x140\n[ 1670.010802]  dev_attr_store+0x44/0x60\n[ 1670.014448]  sysfs_kf_write+0x58/0x80\n[ 1670.018095]  kernfs_fop_write+0xe8/0x1f0\n[ 1670.022000]  __vfs_write+0x60/0x190\n[ 1670.025472]  vfs_write+0xac/0x1c0\n[ 1670.028771]  ksys_write+0x6c/0xd8\n[ 1670.032071]  __arm64_sys_write+0x24/0x30\n[ 1670.035977]  el0_svc_common+0x78/0x130\n[ 1670.039710]  el0_svc_handler+0x38/0x78\n[ 1670.043442]  el0_svc+0x8/0xc\n\nTo fix this, set debugfs_dir to NULL after debugfs_remove_recursive()."
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      "title": "scsi: hisi_sas: Set debugfs_dir pointer to NULL after removing debugfs",
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2023-52808",
    "datePublished": "2024-05-21T15:31:18.330Z",
    "dateReserved": "2024-05-21T15:19:24.248Z",
    "dateUpdated": "2024-12-19T08:26:26.210Z",
    "state": "PUBLISHED"
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  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-52808\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-21T16:15:19.113\",\"lastModified\":\"2024-11-21T08:40:37.927\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nscsi: hisi_sas: Set debugfs_dir pointer to NULL after removing debugfs\\n\\nIf init debugfs failed during device registration due to memory allocation\\nfailure, debugfs_remove_recursive() is called, after which debugfs_dir is\\nnot set to NULL. debugfs_remove_recursive() will be called again during\\ndevice removal. As a result, illegal pointer is accessed.\\n\\n[ 1665.467244] hisi_sas_v3_hw 0000:b4:02.0: failed to init debugfs!\\n...\\n[ 1669.836708] Unable to handle kernel NULL pointer dereference at virtual address 00000000000000a0\\n[ 1669.872669] pc : down_write+0x24/0x70\\n[ 1669.876315] lr : down_write+0x1c/0x70\\n[ 1669.879961] sp : ffff000036f53a30\\n[ 1669.883260] x29: ffff000036f53a30 x28: ffffa027c31549f8\\n[ 1669.888547] x27: ffffa027c3140000 x26: 0000000000000000\\n[ 1669.893834] x25: ffffa027bf37c270 x24: ffffa027bf37c270\\n[ 1669.899122] x23: ffff0000095406b8 x22: ffff0000095406a8\\n[ 1669.904408] x21: 0000000000000000 x20: ffffa027bf37c310\\n[ 1669.909695] x19: 00000000000000a0 x18: ffff8027dcd86f10\\n[ 1669.914982] x17: 0000000000000000 x16: 0000000000000000\\n[ 1669.920268] x15: 0000000000000000 x14: ffffa0274014f870\\n[ 1669.925555] x13: 0000000000000040 x12: 0000000000000228\\n[ 1669.930842] x11: 0000000000000020 x10: 0000000000000bb0\\n[ 1669.936129] x9 : ffff000036f537f0 x8 : ffff80273088ca10\\n[ 1669.941416] x7 : 000000000000001d x6 : 00000000ffffffff\\n[ 1669.946702] x5 : ffff000008a36310 x4 : ffff80273088be00\\n[ 1669.951989] x3 : ffff000009513e90 x2 : 0000000000000000\\n[ 1669.957276] x1 : 00000000000000a0 x0 : ffffffff00000001\\n[ 1669.962563] Call trace:\\n[ 1669.965000]  down_write+0x24/0x70\\n[ 1669.968301]  debugfs_remove_recursive+0x5c/0x1b0\\n[ 1669.972905]  hisi_sas_debugfs_exit+0x24/0x30 [hisi_sas_main]\\n[ 1669.978541]  hisi_sas_v3_remove+0x130/0x150 [hisi_sas_v3_hw]\\n[ 1669.984175]  pci_device_remove+0x48/0xd8\\n[ 1669.988082]  device_release_driver_internal+0x1b4/0x250\\n[ 1669.993282]  device_release_driver+0x28/0x38\\n[ 1669.997534]  pci_stop_bus_device+0x84/0xb8\\n[ 1670.001611]  pci_stop_and_remove_bus_device_locked+0x24/0x40\\n[ 1670.007244]  remove_store+0xfc/0x140\\n[ 1670.010802]  dev_attr_store+0x44/0x60\\n[ 1670.014448]  sysfs_kf_write+0x58/0x80\\n[ 1670.018095]  kernfs_fop_write+0xe8/0x1f0\\n[ 1670.022000]  __vfs_write+0x60/0x190\\n[ 1670.025472]  vfs_write+0xac/0x1c0\\n[ 1670.028771]  ksys_write+0x6c/0xd8\\n[ 1670.032071]  __arm64_sys_write+0x24/0x30\\n[ 1670.035977]  el0_svc_common+0x78/0x130\\n[ 1670.039710]  el0_svc_handler+0x38/0x78\\n[ 1670.043442]  el0_svc+0x8/0xc\\n\\nTo fix this, set debugfs_dir to NULL after debugfs_remove_recursive().\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: scsi: hisi_sas: establezca el puntero debugfs_dir en NULL despu\u00e9s de eliminar debugfs. Si init debugfs fall\u00f3 durante el registro del dispositivo debido a un fallo en la asignaci\u00f3n de memoria, se llama a debugfs_remove_recursive(), despu\u00e9s de lo cual debugfs_dir no se configura en NULO. Se volver\u00e1 a llamar a debugfs_remove_recursive() durante la eliminaci\u00f3n del dispositivo. Como resultado, se accede a un puntero ilegal. [1665.467244] hisi_sas_v3_hw 0000:b4:02.0: \u00a1no se pudo iniciar debugfs! ... [1669.836708] No se puede manejar la desreferencia del puntero NULL del kernel en la direcci\u00f3n virtual 00000000000000a0 [1669.872669] pc: down_write+0x24/0x70 [1669.876315] lr: down_write+0x1c/0x70 [1669.879961] sp: ffff000036f53a30 [ 1669.883260] x29: ffff000036f53a30 x28 : ffffa027c31549f8 [ 1669.888547] x27: ffffa027c3140000 x26: 0000000000000000 [ 1669.893834] x25: ffffa027bf37c270 x24: ffffa027bf37c270 [ 166 9.899122] x23: ffff0000095406b8 x22: ffff0000095406a8 [ 1669.904408] x21: 00000000000000000 x20: ffffa027bf37c310 [ 1669.909695] x19: 000000000a0 x18: ffff8027dcd86f10 [1669.914982] x17: 0000000000000000 x16: 0000000000000000 [ 1669.920268] x15: 0000000000000000 x14: ffffa0274014f870 [ 1669.925555] x13: 000000000 0000040 x12: 0000000000000228 [1669.930842] x11: 0000000000000020 x10: 0000000000000bb0 [1669.936129] x9: ffff000036f537f0 x8: 73088ca10 [1669.941416] x7: 000000000000001d x6: 00000000ffffffff [ 1669.946702] x5 : ffff000008a36310 x4 : ffff80273088be00 [ 1669.951989 ] x3 : ffff000009513e90 x2 : 0000000000000000 [ 1669.95 7276] x1: 00000000000000a0 x0: ffffffff00000001 [1669.962563] Seguimiento de llamadas: [1669.965000] down_write+0x24/0x70 [1669.968301] debugfs_remove_recursive+0x5c/0x1b0 [ 1669.972905] hisi_sas_debugfs_exit+0x24/0x30 [hisi_sas_main] [ 1669.978541] hisi_sas_v3_remove+0x130/0x150 [hisi_sas_v3_hw] [ 1669.984175] pci_device_remove+0x48/0 xd8 [ 1669.988082] device_release_driver_internal+0x1b4/0x250 [ 1669.993282] device_release_driver+0x28/0x38 [ 1669.997534] pci_stop_bus_device +0x84/0xb8 [ 1670.001611] pci_stop_and_remove_bus_device_locked+0x24/0x40 [ 1670.007244] remove_store+0xfc/0x140 [ 1670.010802] dev_attr_store+0x44/0x60 [ 1670.01444 8] sysfs_kf_write+0x58/0x80 [ 1670.018095] kernfs_fop_write+0xe8/0x1f0 [ 1670.022000] __vfs_write+0x60 /0x190 [ 1670.025472] vfs_write+0xac/0x1c0 [ 1670.028771] ksys_write+0x6c/0xd8 [ 1670.032071] __arm64_sys_write+0x24/0x30 [ 1670.035977] +0x78/0x130 [ 1670.039710] el0_svc_handler+0x38/0x78 [ 1670.043442] el0_svc+0x8/0xc Para solucionar este problema, establezca debugfs_dir en NULL despu\u00e9s de debugfs_remove_recursive().\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/33331b265aac9441ac0c1a5442e3f05d038240ec\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/6de426f9276c448e2db7238911c97fb157cb23be\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/75a2656260fe8c7eeabda6ff4600b29e183f48db\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/b4465009e7d60c6111946db4c8f1e50d401ed7be\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/f0bfc8a5561fb0b2c48183dcbfe00bdd6d973bd3\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/33331b265aac9441ac0c1a5442e3f05d038240ec\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/6de426f9276c448e2db7238911c97fb157cb23be\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/75a2656260fe8c7eeabda6ff4600b29e183f48db\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/b4465009e7d60c6111946db4c8f1e50d401ed7be\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/f0bfc8a5561fb0b2c48183dcbfe00bdd6d973bd3\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}"
  }
}


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