{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-47425","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-05-21T14:58:30.827Z","datePublished":"2024-05-21T15:04:11.931Z","dateUpdated":"2025-05-04T07:10:38.420Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T07:10:38.420Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ni2c: acpi: fix resource leak in reconfiguration device addition\n\nacpi_i2c_find_adapter_by_handle() calls bus_find_device() which takes a\nreference on the adapter which is never released which will result in a\nreference count leak and render the adapter unremovable.  Make sure to\nput the adapter after creating the client in the same manner that we do\nfor OF.\n\n[wsa: fixed title]"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/i2c/i2c-core-acpi.c"],"versions":[{"version":"525e6fabeae286848592363bda13bc34b59bb5ac","lessThan":"b8090a84d7758b929d348bafbd86bb7a10c5fb63","status":"affected","versionType":"git"},{"version":"525e6fabeae286848592363bda13bc34b59bb5ac","lessThan":"3d9d458a8aaafa47268ea4f1b4114a9f12927989","status":"affected","versionType":"git"},{"version":"525e6fabeae286848592363bda13bc34b59bb5ac","lessThan":"60bacf259e8c2eb2324f3e13275200baaee9494b","status":"affected","versionType":"git"},{"version":"525e6fabeae286848592363bda13bc34b59bb5ac","lessThan":"f86de018fd7a24ee07372d55ffa7824f0c674a95","status":"affected","versionType":"git"},{"version":"525e6fabeae286848592363bda13bc34b59bb5ac","lessThan":"90f1077c9184ec2ae9989e4642f211263f301694","status":"affected","versionType":"git"},{"version":"525e6fabeae286848592363bda13bc34b59bb5ac","lessThan":"6558b646ce1c2a872fe1c2c7cb116f05a2c1950f","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/i2c/i2c-core-acpi.c"],"versions":[{"version":"4.8","status":"affected"},{"version":"0","lessThan":"4.8","status":"unaffected","versionType":"semver"},{"version":"4.14.251","lessThanOrEqual":"4.14.*","status":"unaffected","versionType":"semver"},{"version":"4.19.211","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.153","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.73","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.14.12","lessThanOrEqual":"5.14.*","status":"unaffected","versionType":"semver"},{"version":"5.15","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":"4.8","versionEndExcluding":"4.14.251"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.8","versionEndExcluding":"4.19.211"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.8","versionEndExcluding":"5.4.153"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.8","versionEndExcluding":"5.10.73"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.8","versionEndExcluding":"5.14.12"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.8","versionEndExcluding":"5.15"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/b8090a84d7758b929d348bafbd86bb7a10c5fb63"},{"url":"https://git.kernel.org/stable/c/3d9d458a8aaafa47268ea4f1b4114a9f12927989"},{"url":"https://git.kernel.org/stable/c/60bacf259e8c2eb2324f3e13275200baaee9494b"},{"url":"https://git.kernel.org/stable/c/f86de018fd7a24ee07372d55ffa7824f0c674a95"},{"url":"https://git.kernel.org/stable/c/90f1077c9184ec2ae9989e4642f211263f301694"},{"url":"https://git.kernel.org/stable/c/6558b646ce1c2a872fe1c2c7cb116f05a2c1950f"}],"title":"i2c: acpi: fix resource leak in reconfiguration device addition","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2021-47425","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-05-21T17:32:39.731015Z"}}}],"providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-06-04T17:14:05.025Z"}},{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-04T05:39:59.439Z"},"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/b8090a84d7758b929d348bafbd86bb7a10c5fb63","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/3d9d458a8aaafa47268ea4f1b4114a9f12927989","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/60bacf259e8c2eb2324f3e13275200baaee9494b","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/f86de018fd7a24ee07372d55ffa7824f0c674a95","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/90f1077c9184ec2ae9989e4642f211263f301694","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/6558b646ce1c2a872fe1c2c7cb116f05a2c1950f","tags":["x_transferred"]}]}]}}