{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2021-47002", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-02-27T18:42:55.950Z", "datePublished": "2024-02-28T08:13:24.091Z", "dateUpdated": "2026-05-23T15:18:58.986Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-23T15:18:58.986Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nSUNRPC: Fix null pointer dereference in svc_rqst_free()\n\nWhen alloc_pages_node() returns null in svc_rqst_alloc(), the\nnull rq_scratch_page pointer will be dereferenced when calling\nput_page() in svc_rqst_free(). Fix it by adding a null check.\n\nAddresses-Coverity: (\"Dereference after null check\")" } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "net/sunrpc/svc.c" ], "versions": [ { "version": "79e4e0d489c8e72b9efa388e504a036eec1550c6", "lessThan": "3de81c1e84bf84803308da3272a829a7655c5336", "status": "affected", "versionType": "git" }, { "version": "5191955d6fc65e6d4efe8f4f10a6028298f57281", "lessThan": "1e10f58f1c9a6b667b045513c7a4e6111c24fe7c", "status": "affected", "versionType": "git" }, { "version": "5191955d6fc65e6d4efe8f4f10a6028298f57281", "lessThan": "c664aaec9aee544538a78ba4893a44bc73a6d742", "status": "affected", "versionType": "git" }, { "version": "5191955d6fc65e6d4efe8f4f10a6028298f57281", "lessThan": "b9f83ffaa0c096b4c832a43964fe6bff3acffe10", "status": "affected", "versionType": "git" }, { "version": "5.10.220", "lessThan": "5.10.221", "status": "affected", "versionType": "semver" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "net/sunrpc/svc.c" ], "versions": [ { "version": "5.11", "status": "affected" }, { "version": "0", "lessThan": "5.11", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.221", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.11.22", "lessThanOrEqual": "5.11.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.12.5", "lessThanOrEqual": "5.12.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.13", "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": "5.10.220", "versionEndExcluding": "5.10.221" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11", "versionEndExcluding": "5.11.22" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11", "versionEndExcluding": "5.12.5" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11", "versionEndExcluding": "5.13" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/3de81c1e84bf84803308da3272a829a7655c5336" }, { "url": "https://git.kernel.org/stable/c/1e10f58f1c9a6b667b045513c7a4e6111c24fe7c" }, { "url": "https://git.kernel.org/stable/c/c664aaec9aee544538a78ba4893a44bc73a6d742" }, { "url": "https://git.kernel.org/stable/c/b9f83ffaa0c096b4c832a43964fe6bff3acffe10" } ], "title": "SUNRPC: Fix null pointer dereference in svc_rqst_free()", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "title": "CISA ADP Vulnrichment", "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2021-47002", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2024-02-28T20:23:02.003410Z" } } } ], "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-04T17:13:56.930Z" } }, { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:24:39.582Z" }, "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/3de81c1e84bf84803308da3272a829a7655c5336", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/1e10f58f1c9a6b667b045513c7a4e6111c24fe7c", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/c664aaec9aee544538a78ba4893a44bc73a6d742", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/b9f83ffaa0c096b4c832a43964fe6bff3acffe10", "tags": [ "x_transferred" ] } ] }, { "x_adpType": "supplier", "providerMetadata": { "orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "shortName": "siemens-SADP", "dateUpdated": "2026-05-12T10:12:21.229Z" }, "affected": [ { "vendor": "Siemens", "product": "SIMATIC S7-1500 TM MFP - GNU/Linux subsystem", "versions": [ { "status": "affected", "version": "0", "lessThan": "*", "versionType": "custom" } ], "defaultStatus": "unknown" } ], "references": [ { "url": "https://cert-portal.siemens.com/productcert/html/ssa-265688.html" } ] } ] } }