{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-47177","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-03-25T09:12:14.112Z","datePublished":"2024-03-25T09:16:27.371Z","dateUpdated":"2025-05-04T07:05:42.586Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T07:05:42.586Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\niommu/vt-d: Fix sysfs leak in alloc_iommu()\n\niommu_device_sysfs_add() is called before, so is has to be cleaned on subsequent\nerrors."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iommu/intel/dmar.c"],"versions":[{"version":"39ab9555c24110671f8dc671311a26e5c985b592","lessThan":"22da9f4978381a99f1abaeaf6c9b83be6ab5ddd8","status":"affected","versionType":"git"},{"version":"39ab9555c24110671f8dc671311a26e5c985b592","lessThan":"2ec5e9bb6b0560c90d315559c28a99723c80b996","status":"affected","versionType":"git"},{"version":"39ab9555c24110671f8dc671311a26e5c985b592","lessThan":"044bbe8b92ab4e542de7f6c93c88ea65cccd8e29","status":"affected","versionType":"git"},{"version":"39ab9555c24110671f8dc671311a26e5c985b592","lessThan":"f01134321d04f47c718bb41b799bcdeda27873d2","status":"affected","versionType":"git"},{"version":"39ab9555c24110671f8dc671311a26e5c985b592","lessThan":"ca466561eef36d1ec657673e3944eb6340bddb5b","status":"affected","versionType":"git"},{"version":"39ab9555c24110671f8dc671311a26e5c985b592","lessThan":"0ee74d5a48635c848c20f152d0d488bf84641304","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/iommu/intel/dmar.c"],"versions":[{"version":"4.11","status":"affected"},{"version":"0","lessThan":"4.11","status":"unaffected","versionType":"semver"},{"version":"4.14.235","lessThanOrEqual":"4.14.*","status":"unaffected","versionType":"semver"},{"version":"4.19.193","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.124","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.42","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.12.9","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":"4.11","versionEndExcluding":"4.14.235"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.11","versionEndExcluding":"4.19.193"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.11","versionEndExcluding":"5.4.124"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.11","versionEndExcluding":"5.10.42"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.11","versionEndExcluding":"5.12.9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.11","versionEndExcluding":"5.13"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/22da9f4978381a99f1abaeaf6c9b83be6ab5ddd8"},{"url":"https://git.kernel.org/stable/c/2ec5e9bb6b0560c90d315559c28a99723c80b996"},{"url":"https://git.kernel.org/stable/c/044bbe8b92ab4e542de7f6c93c88ea65cccd8e29"},{"url":"https://git.kernel.org/stable/c/f01134321d04f47c718bb41b799bcdeda27873d2"},{"url":"https://git.kernel.org/stable/c/ca466561eef36d1ec657673e3944eb6340bddb5b"},{"url":"https://git.kernel.org/stable/c/0ee74d5a48635c848c20f152d0d488bf84641304"}],"title":"iommu/vt-d: 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