{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2021-47121", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-03-04T18:12:48.838Z", "datePublished": "2024-03-15T20:14:27.287Z", "dateUpdated": "2026-05-11T13:48:27.307Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T13:48:27.307Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: caif: fix memory leak in cfusbl_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_usb.c" ], "versions": [ { "version": "7ad65bf68d705b445ef10b77ab50dab22be185ee", "lessThan": "cc302e30a504e6b60a9ac8df7988646f46cd0294", "status": "affected", "versionType": "git" }, { "version": "7ad65bf68d705b445ef10b77ab50dab22be185ee", "lessThan": "81afc61cb6e2b553f2c5f992fa79e0ae73857141", "status": "affected", "versionType": "git" }, { "version": "7ad65bf68d705b445ef10b77ab50dab22be185ee", "lessThan": "e8b37f5009ea7095529790f022859711e6939c76", "status": "affected", "versionType": "git" }, { "version": "7ad65bf68d705b445ef10b77ab50dab22be185ee", "lessThan": "9ea0ab48e755d8f29fe89eb235fb86176fdb597f", "status": "affected", "versionType": "git" }, { "version": "7ad65bf68d705b445ef10b77ab50dab22be185ee", "lessThan": "4d94f530cd24c85aede6e72b8923f371b45d6886", "status": "affected", "versionType": "git" }, { "version": "7ad65bf68d705b445ef10b77ab50dab22be185ee", "lessThan": "46403c1f80b0d3f937ff9c4f5edc63bb64bc5051", "status": "affected", "versionType": "git" }, { "version": "7ad65bf68d705b445ef10b77ab50dab22be185ee", "lessThan": "dde8686985ec24d6b00487080a906609bd613ea1", "status": "affected", "versionType": "git" }, { "version": "7ad65bf68d705b445ef10b77ab50dab22be185ee", "lessThan": "7f5d86669fa4d485523ddb1d212e0a2d90bd62bb", "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_usb.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/cc302e30a504e6b60a9ac8df7988646f46cd0294" }, { "url": "https://git.kernel.org/stable/c/81afc61cb6e2b553f2c5f992fa79e0ae73857141" }, { "url": "https://git.kernel.org/stable/c/e8b37f5009ea7095529790f022859711e6939c76" }, { "url": "https://git.kernel.org/stable/c/9ea0ab48e755d8f29fe89eb235fb86176fdb597f" }, { "url": "https://git.kernel.org/stable/c/4d94f530cd24c85aede6e72b8923f371b45d6886" }, { "url": "https://git.kernel.org/stable/c/46403c1f80b0d3f937ff9c4f5edc63bb64bc5051" }, { "url": "https://git.kernel.org/stable/c/dde8686985ec24d6b00487080a906609bd613ea1" }, { "url": "https://git.kernel.org/stable/c/7f5d86669fa4d485523ddb1d212e0a2d90bd62bb" } ], "title": "net: caif: fix memory leak in cfusbl_device_notify", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "title": "CISA ADP Vulnrichment", "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2021-47121", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2024-03-18T15:58:18.929619Z" } } } ], "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-04T17:13:45.717Z" } }, { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:24:39.876Z" }, "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/cc302e30a504e6b60a9ac8df7988646f46cd0294", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/81afc61cb6e2b553f2c5f992fa79e0ae73857141", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/e8b37f5009ea7095529790f022859711e6939c76", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/9ea0ab48e755d8f29fe89eb235fb86176fdb597f", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/4d94f530cd24c85aede6e72b8923f371b45d6886", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/46403c1f80b0d3f937ff9c4f5edc63bb64bc5051", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/dde8686985ec24d6b00487080a906609bd613ea1", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/7f5d86669fa4d485523ddb1d212e0a2d90bd62bb", "tags": [ "x_transferred" ] } ] } ] } }