{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2021-47122", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-03-04T18:12:48.838Z", "datePublished": "2024-03-15T20:14:28.089Z", "dateUpdated": "2026-05-11T13:48:28.483Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T13:48:28.483Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: caif: fix memory leak in caif_device_notify\n\nIn case of caif_enroll_dev() fail, allocated\nlink_support won't be assigned to the corresponding\nstructure. So simply free allocated pointer in case\nof error" } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "net/caif/caif_dev.c" ], "versions": [ { "version": "7c18d2205ea76eef9674e59e1ecae4f332a53e9e", "lessThan": "b042e2b2039565eb8f0eb51c14fbe1ef463c8cd8", "status": "affected", "versionType": "git" }, { "version": "7c18d2205ea76eef9674e59e1ecae4f332a53e9e", "lessThan": "9348c1f10932f13b299cbc8b1bd5f780751fae49", "status": "affected", "versionType": "git" }, { "version": "7c18d2205ea76eef9674e59e1ecae4f332a53e9e", "lessThan": "4bca2034b41c15b62d47a19158bb76235fd4455d", "status": "affected", "versionType": "git" }, { "version": "7c18d2205ea76eef9674e59e1ecae4f332a53e9e", "lessThan": "3be863c11cab725add9fef4237ed4e232c3fc3bb", "status": "affected", "versionType": "git" }, { "version": "7c18d2205ea76eef9674e59e1ecae4f332a53e9e", "lessThan": "f52f4fd67264c70cd0b4ba326962ebe12d9cba94", "status": "affected", "versionType": "git" }, { "version": "7c18d2205ea76eef9674e59e1ecae4f332a53e9e", "lessThan": "af2806345a37313f01b1c9f15e046745b8ee2daa", "status": "affected", "versionType": "git" }, { "version": "7c18d2205ea76eef9674e59e1ecae4f332a53e9e", "lessThan": "6a0e317f61094d377335547e015dd2ff12caf893", "status": "affected", "versionType": "git" }, { "version": "7c18d2205ea76eef9674e59e1ecae4f332a53e9e", "lessThan": "b53558a950a89824938e9811eddfc8efcd94e1bb", "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/caif/caif_dev.c" ], "versions": [ { "version": "3.3", "status": "affected" }, { "version": "0", "lessThan": "3.3", "status": "unaffected", "versionType": "semver" }, { "version": "4.4.272", "lessThanOrEqual": "4.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "4.9.272", "lessThanOrEqual": "4.9.*", "status": "unaffected", "versionType": "semver" }, { "version": "4.14.236", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver" }, { "version": "4.19.194", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.4.125", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.43", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.12.10", "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": "3.3", "versionEndExcluding": "4.4.272" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.3", "versionEndExcluding": "4.9.272" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.3", "versionEndExcluding": "4.14.236" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.3", "versionEndExcluding": "4.19.194" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.3", "versionEndExcluding": "5.4.125" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.3", "versionEndExcluding": "5.10.43" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.3", "versionEndExcluding": "5.12.10" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.3", "versionEndExcluding": "5.13" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/b042e2b2039565eb8f0eb51c14fbe1ef463c8cd8" }, { "url": "https://git.kernel.org/stable/c/9348c1f10932f13b299cbc8b1bd5f780751fae49" }, { "url": "https://git.kernel.org/stable/c/4bca2034b41c15b62d47a19158bb76235fd4455d" }, { "url": "https://git.kernel.org/stable/c/3be863c11cab725add9fef4237ed4e232c3fc3bb" }, { "url": "https://git.kernel.org/stable/c/f52f4fd67264c70cd0b4ba326962ebe12d9cba94" }, { "url": "https://git.kernel.org/stable/c/af2806345a37313f01b1c9f15e046745b8ee2daa" }, { "url": "https://git.kernel.org/stable/c/6a0e317f61094d377335547e015dd2ff12caf893" }, { "url": "https://git.kernel.org/stable/c/b53558a950a89824938e9811eddfc8efcd94e1bb" } ], "title": "net: caif: fix memory leak in caif_device_notify", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": 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