{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-47361","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-05-21T14:58:30.809Z","datePublished":"2024-05-21T15:03:29.882Z","dateUpdated":"2025-05-04T07:09:21.641Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T07:09:21.641Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmcb: fix error handling in mcb_alloc_bus()\n\nThere are two bugs:\n1) If ida_simple_get() fails then this code calls put_device(carrier)\n   but we haven't yet called get_device(carrier) and probably that\n   leads to a use after free.\n2) After device_initialize() then we need to use put_device() to\n   release the bus.  This will free the internal resources tied to the\n   device and call mcb_free_bus() which will free the rest."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/mcb/mcb-core.c"],"versions":[{"version":"18d28819809909c3f24bb72183a901c5e332a63d","lessThan":"8a558261fa57a6deefb0925ab1829f698b194aea","status":"affected","versionType":"git"},{"version":"18d28819809909c3f24bb72183a901c5e332a63d","lessThan":"115b07d9f47e3996430b8f2007edd9768e1f807f","status":"affected","versionType":"git"},{"version":"18d28819809909c3f24bb72183a901c5e332a63d","lessThan":"66f74ba9be9daf9c47fface6af3677f602774f6b","status":"affected","versionType":"git"},{"version":"18d28819809909c3f24bb72183a901c5e332a63d","lessThan":"7751f609eadf36b1f53712bae430019c53a16eb0","status":"affected","versionType":"git"},{"version":"18d28819809909c3f24bb72183a901c5e332a63d","lessThan":"91e4ad05bf18322b5921d1a6c9b603f6eb1694f0","status":"affected","versionType":"git"},{"version":"18d28819809909c3f24bb72183a901c5e332a63d","lessThan":"9fc198f415dee070a1de957bb5bf5921d8df3499","status":"affected","versionType":"git"},{"version":"18d28819809909c3f24bb72183a901c5e332a63d","lessThan":"25a1433216489de4abc889910f744e952cb6dbae","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/mcb/mcb-core.c"],"versions":[{"version":"4.7","status":"affected"},{"version":"0","lessThan":"4.7","status":"unaffected","versionType":"semver"},{"version":"4.9.285","lessThanOrEqual":"4.9.*","status":"unaffected","versionType":"semver"},{"version":"4.14.249","lessThanOrEqual":"4.14.*","status":"unaffected","versionType":"semver"},{"version":"4.19.209","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.150","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.70","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.14.9","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":"4.7","versionEndExcluding":"4.9.285"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"4.14.249"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"4.19.209"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"5.4.150"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"5.10.70"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"5.14.9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"5.15"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/8a558261fa57a6deefb0925ab1829f698b194aea"},{"url":"https://git.kernel.org/stable/c/115b07d9f47e3996430b8f2007edd9768e1f807f"},{"url":"https://git.kernel.org/stable/c/66f74ba9be9daf9c47fface6af3677f602774f6b"},{"url":"https://git.kernel.org/stable/c/7751f609eadf36b1f53712bae430019c53a16eb0"},{"url":"https://git.kernel.org/stable/c/91e4ad05bf18322b5921d1a6c9b603f6eb1694f0"},{"url":"https://git.kernel.org/stable/c/9fc198f415dee070a1de957bb5bf5921d8df3499"},{"url":"https://git.kernel.org/stable/c/25a1433216489de4abc889910f744e952cb6dbae"}],"title":"mcb: fix error handling in mcb_alloc_bus()","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2021-47361","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-05-21T18:23:29.755480Z"}}}],"providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-06-04T17:13:52.235Z"}},{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-04T05:32:08.591Z"},"title":"CVE Program 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