{"dataType":"CVE_RECORD","dataVersion":"5.1","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":"2025-05-04T07:04:33.666Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T07:04:33.666Z"},"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"]}]}]}}