{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2021-47503", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-05-22T06:20:56.205Z", "datePublished": "2024-05-24T15:01:50.358Z", "dateUpdated": "2026-05-11T13:55:54.579Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T13:55:54.579Z" }, "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()" } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/scsi/pm8001/pm8001_init.c" ], "versions": [ { "version": "05c6c029a44d9f43715577e33e95eba87f44d285", "lessThan": "1e434d2687e8bc0b3cdc9dd093c0e9047c0b4add", "status": "affected", "versionType": "git" }, { "version": "05c6c029a44d9f43715577e33e95eba87f44d285", "lessThan": "f8dccc1bdea7e21b5ec06c957aef8831c772661c", "status": "affected", "versionType": "git" }, { "version": "05c6c029a44d9f43715577e33e95eba87f44d285", "lessThan": "653926205741add87a6cf452e21950eebc6ac10b", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/scsi/pm8001/pm8001_init.c" ], "versions": [ { "version": "5.10", "status": "affected" }, { "version": "0", "lessThan": "5.10", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.85", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.8", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.16", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "5.10.85" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "5.15.8" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "5.16" } ] } ] } ], "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-1.2.0" } }, "adp": [ { "problemTypes": [ { "descriptions": [ { "type": "CWE", "cweId": "CWE-476", "lang": "en", "description": "CWE-476 NULL Pointer Dereference" } ] } ], "affected": [ { "vendor": "linux", "product": "linux_kernel", "cpes": [ "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*" ], "defaultStatus": "unknown", "versions": [ { "version": "05c6c029a44d", "status": "affected", "lessThan": "1e434d2687e8 ", "versionType": "custom" } ] }, { "vendor": "linux", "product": "linux_kernel", "cpes": [ "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*" ], "defaultStatus": "unknown", "versions": [ { "version": "05c6c029a44d", "status": "affected", "lessThan": "f8dccc1bdea7 ", "versionType": "custom" } ] }, { "vendor": "linux", "product": "linux_kernel", "cpes": [ "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*" ], "defaultStatus": "unknown", "versions": [ { "version": "f8dccc1bdea7 ", "status": "affected", "lessThan": "653926205741 ", "versionType": "custom" } ] }, { "vendor": "linux", "product": "linux_kernel", "cpes": [ "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*" ], "defaultStatus": "unknown", "versions": [ { "version": "0", "status": "unaffected", "lessThan": "5.10", "versionType": "custom" } ] }, { "vendor": "linux", "product": "linux_kernel", "cpes": [ "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*" ], "defaultStatus": "unknown", "versions": [ { "version": "5.10.85", "status": "unaffected", "lessThan": "5.11", "versionType": "custom" } ] }, { "vendor": "linux", "product": "linux_kernel", "cpes": [ "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*" ], "defaultStatus": "unknown", "versions": [ { "version": "5.15.8", "status": "unaffected", "lessThanOrEqual": "5.16", "versionType": "custom" } ] }, { "vendor": "linux", "product": "linux_kernel", "cpes": [ "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*" ], "defaultStatus": "unknown", "versions": [ { "version": "5.16", "status": "unaffected" } ] }, { "vendor": "linux", "product": "linux_kernel", "cpes": [ "cpe:2.3:o:linux:linux_kernel:5.10:-:*:*:*:*:*:*" ], "defaultStatus": "unknown", "versions": [ { "version": "5.10", "status": "affected" } ] } ], "metrics": [ { "cvssV3_1": { "scope": "UNCHANGED", "version": "3.1", "baseScore": 6.2, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE" } }, { "other": { "type": "ssvc", "content": { "timestamp": "2024-05-28T15:53:11.089005Z", "id": "CVE-2021-47503", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-06T19:58:15.985Z" } }, { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:39:59.785Z" }, "title": "CVE Program Container", "references": [ { "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", "tags": [ "x_transferred" ] } ] } ] } }