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nvd-json-data-feeds/CVE-2023/CVE-2023-528xx/CVE-2023-52808.json
cad-safe-bot 9362ba1f76 Auto-Update: 2025-01-14T17:00:27.499987+00:00
2025-01-14 17:03:53 +00:00

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{
"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"
},
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"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.16",
"versionEndExcluding": "6.1.64",
"matchCriteriaId": "8D7C884A-CAA2-4EA2-9FEB-5CE776D7B05F"
},
{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.2",
"versionEndExcluding": "6.5.13",
"matchCriteriaId": "674C4F82-C336-4B49-BF64-1DE422E889C4"
},
{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.6",
"versionEndExcluding": "6.6.3",
"matchCriteriaId": "B58252FA-A49C-411F-9B28-DC5FE44BC5A0"
}
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"references": [
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"url": "https://git.kernel.org/stable/c/33331b265aac9441ac0c1a5442e3f05d038240ec",
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