cve-2023-52808
Vulnerability from cvelistv5
Published
2024-05-21 15:31
Modified
2025-01-06 15:47
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/33331b265aac9441ac0c1a5442e3f05d038240ecPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6de426f9276c448e2db7238911c97fb157cb23bePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/75a2656260fe8c7eeabda6ff4600b29e183f48dbPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b4465009e7d60c6111946db4c8f1e50d401ed7bePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f0bfc8a5561fb0b2c48183dcbfe00bdd6d973bd3Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/33331b265aac9441ac0c1a5442e3f05d038240ecPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/6de426f9276c448e2db7238911c97fb157cb23bePatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/75a2656260fe8c7eeabda6ff4600b29e183f48dbPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/b4465009e7d60c6111946db4c8f1e50d401ed7bePatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/f0bfc8a5561fb0b2c48183dcbfe00bdd6d973bd3Patch
Impacted products
Vendor Product Version
Linux Linux Version: 47caad1577cd7a39e2048c5e4edbce4b863dc12b
Version: 47caad1577cd7a39e2048c5e4edbce4b863dc12b
Version: 47caad1577cd7a39e2048c5e4edbce4b863dc12b
Version: 47caad1577cd7a39e2048c5e4edbce4b863dc12b
Version: 47caad1577cd7a39e2048c5e4edbce4b863dc12b
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                "id": "CVE-2023-52808",
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                "role": "CISA Coordinator",
                "timestamp": "2024-05-22T19:30:55.612970Z",
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    "cna": {
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          "programFiles": [
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          "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()."
        }
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        "dateUpdated": "2025-01-06T15:47:31.131Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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      "references": [
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          "url": "https://git.kernel.org/stable/c/f0bfc8a5561fb0b2c48183dcbfe00bdd6d973bd3"
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          "url": "https://git.kernel.org/stable/c/6de426f9276c448e2db7238911c97fb157cb23be"
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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": "2025-01-06T15:47:31.131Z",
    "state": "PUBLISHED"
  },
  "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\":\"2025-01-14T16:32:53.767\",\"vulnStatus\":\"Analyzed\",\"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\":{\"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\":\"4.5\",\"versionEndExcluding\":\"5.15.140\",\"matchCriteriaId\":\"A6AD9671-6A65-4278-8C84-CB6EF1D0FFA7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.1.64\",\"matchCriteriaId\":\"8D7C884A-CAA2-4EA2-9FEB-5CE776D7B05F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.5.13\",\"matchCriteriaId\":\"674C4F82-C336-4B49-BF64-1DE422E889C4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.6\",\"versionEndExcluding\":\"6.6.3\",\"matchCriteriaId\":\"B58252FA-A49C-411F-9B28-DC5FE44BC5A0\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/33331b265aac9441ac0c1a5442e3f05d038240ec\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/6de426f9276c448e2db7238911c97fb157cb23be\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/75a2656260fe8c7eeabda6ff4600b29e183f48db\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/b4465009e7d60c6111946db4c8f1e50d401ed7be\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/f0bfc8a5561fb0b2c48183dcbfe00bdd6d973bd3\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/33331b265aac9441ac0c1a5442e3f05d038240ec\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/6de426f9276c448e2db7238911c97fb157cb23be\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/75a2656260fe8c7eeabda6ff4600b29e183f48db\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/b4465009e7d60c6111946db4c8f1e50d401ed7be\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/f0bfc8a5561fb0b2c48183dcbfe00bdd6d973bd3\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://git.kernel.org/stable/c/f0bfc8a5561fb0b2c48183dcbfe00bdd6d973bd3\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/33331b265aac9441ac0c1a5442e3f05d038240ec\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/75a2656260fe8c7eeabda6ff4600b29e183f48db\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/b4465009e7d60c6111946db4c8f1e50d401ed7be\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/6de426f9276c448e2db7238911c97fb157cb23be\", \"tags\": [\"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-02T23:11:35.709Z\"}}, {\"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2023-52808\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-05-22T19:30:55.612970Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-05-22T19:31:00.784Z\"}, \"title\": \"CISA ADP Vulnrichment\"}], \"cna\": {\"title\": \"scsi: hisi_sas: Set debugfs_dir pointer to NULL after removing debugfs\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"47caad1577cd7a39e2048c5e4edbce4b863dc12b\", \"lessThan\": \"f0bfc8a5561fb0b2c48183dcbfe00bdd6d973bd3\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"47caad1577cd7a39e2048c5e4edbce4b863dc12b\", \"lessThan\": \"33331b265aac9441ac0c1a5442e3f05d038240ec\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"47caad1577cd7a39e2048c5e4edbce4b863dc12b\", \"lessThan\": \"75a2656260fe8c7eeabda6ff4600b29e183f48db\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"47caad1577cd7a39e2048c5e4edbce4b863dc12b\", \"lessThan\": \"b4465009e7d60c6111946db4c8f1e50d401ed7be\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"47caad1577cd7a39e2048c5e4edbce4b863dc12b\", \"lessThan\": \"6de426f9276c448e2db7238911c97fb157cb23be\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/scsi/hisi_sas/hisi_sas_v3_hw.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.5\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"4.5\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"5.15.140\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1.64\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.5.13\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.5.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.3\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.7\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/scsi/hisi_sas/hisi_sas_v3_hw.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/f0bfc8a5561fb0b2c48183dcbfe00bdd6d973bd3\"}, {\"url\": \"https://git.kernel.org/stable/c/33331b265aac9441ac0c1a5442e3f05d038240ec\"}, {\"url\": \"https://git.kernel.org/stable/c/75a2656260fe8c7eeabda6ff4600b29e183f48db\"}, {\"url\": \"https://git.kernel.org/stable/c/b4465009e7d60c6111946db4c8f1e50d401ed7be\"}, {\"url\": \"https://git.kernel.org/stable/c/6de426f9276c448e2db7238911c97fb157cb23be\"}], \"x_generator\": {\"engine\": \"bippy-5f407fcff5a0\"}, \"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().\"}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-01-06T15:47:31.131Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2023-52808\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-01-06T15:47:31.131Z\", \"dateReserved\": \"2024-05-21T15:19:24.248Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-05-21T15:31:18.330Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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