{"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", 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"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": 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{"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"]}]}]}}

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"ssvc", "content": {"id": "CVE-2021-47503", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-05-28T15:53:11.089005Z"}}}], "affected": [{"cpes": ["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"], "vendor": "linux", "product": "linux_kernel", "versions": [{"status": "affected", "version": "05c6c029a44d", "lessThan": "1e434d2687e8 ", "versionType": "custom"}], "defaultStatus": "unknown"}, {"cpes": ["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"], "vendor": "linux", "product": "linux_kernel", "versions": [{"status": "affected", "version": "05c6c029a44d", "lessThan": "f8dccc1bdea7 ", "versionType": "custom"}], "defaultStatus": "unknown"}, {"cpes": ["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"], "vendor": "linux", "product": "linux_kernel", "versions": [{"status": "affected", "version": "f8dccc1bdea7 ", "lessThan": "653926205741 ", "versionType": "custom"}], "defaultStatus": 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"linux", "product": "linux_kernel", "versions": [{"status": "affected", "version": "5.10"}], "defaultStatus": "unknown"}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-476", "description": "CWE-476 NULL Pointer Dereference"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-05-28T16:03:25.985Z"}}], "cna": {"title": "scsi: pm80xx: Do not call scsi_remove_host() in pm8001_alloc()", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "05c6c029a44d9f43715577e33e95eba87f44d285", "lessThan": "1e434d2687e8bc0b3cdc9dd093c0e9047c0b4add", "versionType": "git"}, {"status": "affected", "version": "05c6c029a44d9f43715577e33e95eba87f44d285", "lessThan": "f8dccc1bdea7e21b5ec06c957aef8831c772661c", "versionType": "git"}, {"status": "affected", "version": "05c6c029a44d9f43715577e33e95eba87f44d285", "lessThan": "653926205741add87a6cf452e21950eebc6ac10b", "versionType": "git"}], "programFiles": ["drivers/scsi/pm8001/pm8001_init.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "5.10"}, {"status": "unaffected", "version": "0", "lessThan": "5.10", "versionType": "semver"}, {"status": "unaffected", "version": "5.10.85", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.8", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "5.16", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/scsi/pm8001/pm8001_init.c"], "defaultStatus": "affected"}], "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"}], "x_generator": {"engine": "bippy-1.2.0"}, "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()"}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.10.85", "versionStartIncluding": "5.10"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15.8", "versionStartIncluding": "5.10"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.16", "versionStartIncluding": "5.10"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T07:12:25.934Z"}}}, "cveMetadata": {"cveId": "CVE-2021-47503", "state": "PUBLISHED", "dateUpdated": "2025-05-04T07:12:25.934Z", "dateReserved": "2024-05-22T06:20:56.205Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-05-24T15:01:50.358Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "9E864355-2799-406B-9254-AC1AA59C2904", "versionEndExcluding": "5.10.85", "versionStartIncluding": "5.10", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "6664ACE2-F748-4AE5-B98B-58803B0B2C3E", "versionEndExcluding": "5.15.8", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.16:rc1:*:*:*:*:*:*", "matchCriteriaId": "357AA433-37E8-4323-BFB2-3038D6E4B414", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.16:rc2:*:*:*:*:*:*", "matchCriteriaId": "A73429BA-C2D9-4D0C-A75F-06A1CA8B3983", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.16:rc3:*:*:*:*:*:*", "matchCriteriaId": "F621B5E3-E99D-49E7-90B9-EC3B77C95383", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.16:rc4:*:*:*:*:*:*", "matchCriteriaId": "F7BFDCAA-1650-49AA-8462-407DD593F94F", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "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()"}], "id": "CVE-2021-47503", "lastModified": "2025-04-01T18:40:54.823", "metrics": {"cvssMetricV31": [{"cvssData": {"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"}, "exploitabilityScore": 2.5, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2024-05-24T15:15:10.567", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1e434d2687e8bc0b3cdc9dd093c0e9047c0b4add"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/653926205741add87a6cf452e21950eebc6ac10b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f8dccc1bdea7e21b5ec06c957aef8831c772661c"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1e434d2687e8bc0b3cdc9dd093c0e9047c0b4add"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/653926205741add87a6cf452e21950eebc6ac10b"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f8dccc1bdea7e21b5ec06c957aef8831c772661c"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "kernel: scsi: pm80xx: Do not call scsi_remove_host() in pm8001_alloc()", "id": "2283451", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2283451"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-476", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nscsi: pm80xx: Do not call scsi_remove_host() in pm8001_alloc()\nCalling scsi_remove_host() before scsi_add_host() results in a crash:\nBUG: kernel NULL pointer dereference, address: 0000000000000108\nRIP: 0010:device_del+0x63/0x440\nCall Trace:\ndevice_unregister+0x17/0x60\nscsi_remove_host+0xee/0x2a0\npm8001_pci_probe+0x6ef/0x1b90 [pm80xx]\nlocal_pci_probe+0x3f/0x90\nWe cannot call scsi_remove_host() in pm8001_alloc() because scsi_add_host()\nhas not been called yet at that point in time.\nFunction call tree:\npm8001_pci_probe()\n|\n`- pm8001_pci_alloc()\n| |\n| `- pm8001_alloc()\n| |\n| `- scsi_remove_host()\n|\n`- scsi_add_host()"], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2021-47503", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-05-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-47503\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-47503"], "statement": "Following issue marked as moderate with \"not affected\" for Red Hat Enterprise Linux, as it is not vulnerable to this CVE. This is because the CVE does not impact the versions or configurations of the Linux kernel used in Red Hat's distributions. Additionally, some RHEL versions may be marked as \"will not fix\" due to the minimal impact of the issue, and no fix will be provided.", "threat_severity": "Moderate"}

{}