cve-2021-47503
Vulnerability from cvelistv5
Published
2024-05-24 15:01
Modified
2024-11-04 12:07
Severity ?
EPSS score ?
Summary
scsi: pm80xx: Do not call scsi_remove_host() in pm8001_alloc()
References
{ "containers": { "adp": [ { "affected": [ { "cpes": [ "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*" ], "defaultStatus": "unknown", "product": "linux_kernel", "vendor": "linux", "versions": [ { "lessThan": "1e434d2687e8 ", "status": "affected", "version": "05c6c029a44d", "versionType": "custom" } ] }, { "cpes": [ "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*" ], "defaultStatus": "unknown", "product": "linux_kernel", "vendor": "linux", "versions": [ { "lessThan": "f8dccc1bdea7 ", "status": "affected", "version": "05c6c029a44d", "versionType": "custom" } ] }, { "cpes": [ "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*" ], "defaultStatus": "unknown", "product": "linux_kernel", "vendor": "linux", "versions": [ { "lessThan": "653926205741 ", "status": "affected", "version": "f8dccc1bdea7 ", "versionType": "custom" } ] }, { "cpes": [ "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*" ], "defaultStatus": "unknown", "product": "linux_kernel", "vendor": "linux", "versions": [ { "lessThan": "5.10", "status": "unaffected", "version": "0", "versionType": "custom" } ] }, { "cpes": [ "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*" ], "defaultStatus": "unknown", "product": "linux_kernel", "vendor": "linux", "versions": [ { "lessThan": "5.11", "status": "unaffected", "version": "5.10.85", "versionType": "custom" } ] }, { "cpes": [ "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*" ], "defaultStatus": "unknown", "product": "linux_kernel", "vendor": "linux", "versions": [ { "lessThanOrEqual": "5.16", "status": "unaffected", "version": "5.15.8", "versionType": "custom" } ] }, { "cpes": [ "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*" ], "defaultStatus": "unknown", "product": "linux_kernel", "vendor": "linux", "versions": [ { "status": "unaffected", "version": "5.16" } ] }, { "cpes": [ "cpe:2.3:o:linux:linux_kernel:5.10:-:*:*:*:*:*:*" ], "defaultStatus": "unknown", "product": "linux_kernel", "vendor": "linux", "versions": [ { "status": "affected", "version": "5.10" } ] } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.2, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" } }, { "other": { "content": { "id": "CVE-2021-47503", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "timestamp": "2024-05-28T15:53:11.089005Z", "version": "2.0.3" }, "type": "ssvc" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-476", "description": "CWE-476 NULL Pointer Dereference", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2024-06-06T19:58:15.985Z", "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP" }, "title": "CISA ADP Vulnrichment" }, { "providerMetadata": { "dateUpdated": "2024-08-04T05:39:59.785Z", "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE" }, "references": [ { "tags": [ "x_transferred" ], "url": "https://git.kernel.org/stable/c/1e434d2687e8bc0b3cdc9dd093c0e9047c0b4add" }, { "tags": [ "x_transferred" ], "url": "https://git.kernel.org/stable/c/f8dccc1bdea7e21b5ec06c957aef8831c772661c" }, { "tags": [ "x_transferred" ], "url": "https://git.kernel.org/stable/c/653926205741add87a6cf452e21950eebc6ac10b" } ], "title": "CVE Program Container" } ], "cna": { "affected": [ { "defaultStatus": "unaffected", "product": "Linux", "programFiles": [ "drivers/scsi/pm8001/pm8001_init.c" ], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [ { "lessThan": "1e434d2687e8", "status": "affected", "version": "05c6c029a44d", "versionType": "git" }, { "lessThan": "f8dccc1bdea7", "status": "affected", "version": "05c6c029a44d", "versionType": "git" }, { "lessThan": "653926205741", "status": "affected", "version": "05c6c029a44d", "versionType": "git" } ] }, { "defaultStatus": "affected", "product": "Linux", "programFiles": [ "drivers/scsi/pm8001/pm8001_init.c" ], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [ { "status": "affected", "version": "5.10" }, { "lessThan": "5.10", "status": "unaffected", "version": "0", "versionType": "semver" }, { "lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.85", "versionType": "semver" }, { "lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.8", "versionType": "semver" }, { "lessThanOrEqual": "*", "status": "unaffected", "version": "5.16", "versionType": "original_commit_for_fix" } ] } ], "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: pm80xx: Do not call scsi_remove_host() in pm8001_alloc()\n\nCalling scsi_remove_host() before scsi_add_host() results in a crash:\n\n BUG: kernel NULL pointer dereference, address: 0000000000000108\n RIP: 0010:device_del+0x63/0x440\n Call Trace:\n device_unregister+0x17/0x60\n scsi_remove_host+0xee/0x2a0\n pm8001_pci_probe+0x6ef/0x1b90 [pm80xx]\n local_pci_probe+0x3f/0x90\n\nWe cannot call scsi_remove_host() in pm8001_alloc() because scsi_add_host()\nhas not been called yet at that point in time.\n\nFunction call tree:\n\n pm8001_pci_probe()\n |\n `- pm8001_pci_alloc()\n | |\n | `- pm8001_alloc()\n | |\n | `- scsi_remove_host()\n |\n `- scsi_add_host()" } ], "providerMetadata": { "dateUpdated": "2024-11-04T12:07:11.264Z", "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux" }, "references": [ { "url": "https://git.kernel.org/stable/c/1e434d2687e8bc0b3cdc9dd093c0e9047c0b4add" }, { "url": "https://git.kernel.org/stable/c/f8dccc1bdea7e21b5ec06c957aef8831c772661c" }, { "url": "https://git.kernel.org/stable/c/653926205741add87a6cf452e21950eebc6ac10b" } ], "title": "scsi: pm80xx: Do not call scsi_remove_host() in pm8001_alloc()", "x_generator": { "engine": "bippy-9e1c9544281a" } } }, "cveMetadata": { "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "assignerShortName": "Linux", "cveId": "CVE-2021-47503", "datePublished": "2024-05-24T15:01:50.358Z", "dateReserved": "2024-05-22T06:20:56.205Z", "dateUpdated": "2024-11-04T12:07:11.264Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2021-47503\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-24T15:15:10.567\",\"lastModified\":\"2024-07-03T01:38:04.253\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nscsi: pm80xx: Do not call scsi_remove_host() in pm8001_alloc()\\n\\nCalling scsi_remove_host() before scsi_add_host() results in a crash:\\n\\n BUG: kernel NULL pointer dereference, address: 0000000000000108\\n RIP: 0010:device_del+0x63/0x440\\n Call Trace:\\n device_unregister+0x17/0x60\\n scsi_remove_host+0xee/0x2a0\\n pm8001_pci_probe+0x6ef/0x1b90 [pm80xx]\\n local_pci_probe+0x3f/0x90\\n\\nWe cannot call scsi_remove_host() in pm8001_alloc() because scsi_add_host()\\nhas not been called yet at that point in time.\\n\\nFunction call tree:\\n\\n pm8001_pci_probe()\\n |\\n `- pm8001_pci_alloc()\\n | |\\n | `- pm8001_alloc()\\n | |\\n | `- scsi_remove_host()\\n |\\n `- scsi_add_host()\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: scsi: pm80xx: No llamar a scsi_remove_host() en pm8001_alloc() Llamar a scsi_remove_host() antes de scsi_add_host() produce un bloqueo: ERROR: desreferencia del puntero NULL del kernel, direcci\u00f3n: 00000000000000108 RIP : 0010:device_del+0x63/0x440 Seguimiento de llamadas: device_unregister+0x17/0x60 scsi_remove_host+0xee/0x2a0 pm8001_pci_probe+0x6ef/0x1b90 [pm80xx] local_pci_probe+0x3f/0x90 No podemos llamar a scsi_remove_host() en pm8001_ alloc() porque scsi_add_host() no lo ha hecho sido llamado todav\u00eda en ese momento. \u00c1rbol de llamadas a funciones: pm8001_pci_probe() | `- pm8001_pci_alloc() | | | `- pm8001_alloc() | | | `- scsi_remove_host() | `- scsi_add_host()\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":6.2,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":2.5,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/1e434d2687e8bc0b3cdc9dd093c0e9047c0b4add\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/653926205741add87a6cf452e21950eebc6ac10b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/f8dccc1bdea7e21b5ec06c957aef8831c772661c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}" } }
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Sightings
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Nomenclature
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- Confirmed: The vulnerability is confirmed from an analyst perspective.
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