{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2021-47071", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-02-29T22:33:44.297Z", "datePublished": "2024-03-01T21:15:10.052Z", "dateUpdated": "2026-05-11T13:47:31.078Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T13:47:31.078Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nuio_hv_generic: Fix a memory leak in error handling paths\n\nIf 'vmbus_establish_gpadl()' fails, the (recv|send)_gpadl will not be\nupdated and 'hv_uio_cleanup()' in the error handling path will not be\nable to free the corresponding buffer.\n\nIn such a case, we need to free the buffer explicitly." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/uio/uio_hv_generic.c" ], "versions": [ { "version": "cdfa835c6e5e87d145f9f632b58843de97509f2b", "lessThan": "cdd91637d4ef33e2be19a8e16e72e7d00c996d76", "status": "affected", "versionType": "git" }, { "version": "cdfa835c6e5e87d145f9f632b58843de97509f2b", "lessThan": "d84b5e912212b05f6b5bde9f682046accfbe0354", "status": "affected", "versionType": "git" }, { "version": "cdfa835c6e5e87d145f9f632b58843de97509f2b", "lessThan": "53486c467e356e06aa37047c984fccd64d78c827", "status": "affected", "versionType": "git" }, { "version": "cdfa835c6e5e87d145f9f632b58843de97509f2b", "lessThan": "3ee098f96b8b6c1a98f7f97915f8873164e6af9d", "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/uio/uio_hv_generic.c" ], "versions": [ { "version": "4.20", "status": "affected" }, { "version": "0", "lessThan": "4.20", "status": "unaffected", "versionType": "semver" }, { "version": "5.4.122", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.40", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.12.7", "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": "4.20", "versionEndExcluding": "5.4.122" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.20", "versionEndExcluding": "5.10.40" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.20", "versionEndExcluding": "5.12.7" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.20", "versionEndExcluding": "5.13" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/cdd91637d4ef33e2be19a8e16e72e7d00c996d76" }, { "url": "https://git.kernel.org/stable/c/d84b5e912212b05f6b5bde9f682046accfbe0354" }, { "url": "https://git.kernel.org/stable/c/53486c467e356e06aa37047c984fccd64d78c827" }, { "url": "https://git.kernel.org/stable/c/3ee098f96b8b6c1a98f7f97915f8873164e6af9d" } ], "title": "uio_hv_generic: Fix a memory leak in error handling paths", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "title": "CISA ADP Vulnrichment", "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2021-47071", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2024-03-04T14:40:01.877350Z" } } } ], "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-04T17:15:01.454Z" } }, { "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/cdd91637d4ef33e2be19a8e16e72e7d00c996d76", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/d84b5e912212b05f6b5bde9f682046accfbe0354", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/53486c467e356e06aa37047c984fccd64d78c827", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/3ee098f96b8b6c1a98f7f97915f8873164e6af9d", "tags": [ "x_transferred" ] } ] } ] } }