{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2021-47624", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-07-16T11:26:52.956Z", "datePublished": "2024-07-16T11:29:39.903Z", "dateUpdated": "2026-05-11T13:58:06.706Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T13:58:06.706Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/sunrpc: fix reference count leaks in rpc_sysfs_xprt_state_change\n\nThe refcount leak issues take place in an error handling path. When the\n3rd argument buf doesn't match with \"offline\", \"online\" or \"remove\", the\nfunction simply returns -EINVAL and forgets to decrease the reference\ncount of a rpc_xprt object and a rpc_xprt_switch object increased by\nrpc_sysfs_xprt_kobj_get_xprt() and\nrpc_sysfs_xprt_kobj_get_xprt_switch(), causing reference count leaks of\nboth unused objects.\n\nFix this issue by jumping to the error handling path labelled with\nout_put when buf matches none of \"offline\", \"online\" or \"remove\"." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "net/sunrpc/sysfs.c" ], "versions": [ { "version": "5b7eb78486cd9ac58bfbd6d84ea0fe2d9fead03b", "lessThan": "4b22aa42bd4d2d630ef1854c139275c3532937cb", "status": "affected", "versionType": "git" }, { "version": "5b7eb78486cd9ac58bfbd6d84ea0fe2d9fead03b", "lessThan": "5f6024c05a2c0fdd180b29395aaf686d25af3a0f", "status": "affected", "versionType": "git" }, { "version": "5b7eb78486cd9ac58bfbd6d84ea0fe2d9fead03b", "lessThan": "776d794f28c95051bc70405a7b1fa40115658a18", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "net/sunrpc/sysfs.c" ], "versions": [ { "version": "5.14", "status": "affected" }, { "version": "0", "lessThan": "5.14", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.24", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.16.10", "lessThanOrEqual": "5.16.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.17", "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": "5.14", "versionEndExcluding": "5.15.24" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "5.16.10" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "5.17" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/4b22aa42bd4d2d630ef1854c139275c3532937cb" }, { "url": "https://git.kernel.org/stable/c/5f6024c05a2c0fdd180b29395aaf686d25af3a0f" }, { "url": "https://git.kernel.org/stable/c/776d794f28c95051bc70405a7b1fa40115658a18" } ], "title": "net/sunrpc: fix reference count leaks in rpc_sysfs_xprt_state_change", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:47:40.258Z" }, "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/4b22aa42bd4d2d630ef1854c139275c3532937cb", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/5f6024c05a2c0fdd180b29395aaf686d25af3a0f", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/776d794f28c95051bc70405a7b1fa40115658a18", "tags": [ "x_transferred" ] } ] }, { "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2021-47624", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2024-09-10T16:59:55.305965Z" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-11T17:34:16.385Z" } } ] } }