{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2021-47258","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-04-10T18:59:19.540Z","datePublished":"2024-05-21T14:19:52.082Z","dateUpdated":"2025-12-18T11:36:22.740Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-12-18T11:36:22.740Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: core: Fix error handling of scsi_host_alloc()\n\nAfter device is initialized via device_initialize(), or its name is set via\ndev_set_name(), the device has to be freed via put_device().  Otherwise\ndevice name will be leaked because it is allocated dynamically in\ndev_set_name().\n\nFix the leak by replacing kfree() with put_device(). Since\nscsi_host_dev_release() properly handles IDA and kthread removal, remove\nspecial-casing these from the error handling as well."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/hosts.c"],"versions":[{"version":"1fa5ae857bb14f6046205171d98506d8112dd74e","lessThan":"8958181c1663e24a13434448e7d6b96b5d04900a","status":"affected","versionType":"git"},{"version":"1fa5ae857bb14f6046205171d98506d8112dd74e","lessThan":"db08ce595dd64ea9859f7d088b51cbfc8e685c66","status":"affected","versionType":"git"},{"version":"1fa5ae857bb14f6046205171d98506d8112dd74e","lessThan":"2dc85045ae65b9302a1d2e2ddd7ce4c030153a6a","status":"affected","versionType":"git"},{"version":"1fa5ae857bb14f6046205171d98506d8112dd74e","lessThan":"79296e292d67fa7b5fb8d8c27343683e823872c8","status":"affected","versionType":"git"},{"version":"1fa5ae857bb14f6046205171d98506d8112dd74e","lessThan":"7a696ce1d5d16a33a6cd6400bbcc0339b2460e11","status":"affected","versionType":"git"},{"version":"1fa5ae857bb14f6046205171d98506d8112dd74e","lessThan":"45d83db4728127944b237c0c8248987df9d478e7","status":"affected","versionType":"git"},{"version":"1fa5ae857bb14f6046205171d98506d8112dd74e","lessThan":"66a834d092930cf41d809c0e989b13cd6f9ca006","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/scsi/hosts.c"],"versions":[{"version":"2.6.30","status":"affected"},{"version":"0","lessThan":"2.6.30","status":"unaffected","versionType":"semver"},{"version":"4.9.273","lessThanOrEqual":"4.9.*","status":"unaffected","versionType":"semver"},{"version":"4.14.237","lessThanOrEqual":"4.14.*","status":"unaffected","versionType":"semver"},{"version":"4.19.195","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.126","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.44","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.12.11","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":"2.6.30","versionEndExcluding":"4.9.273"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.30","versionEndExcluding":"4.14.237"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.30","versionEndExcluding":"4.19.195"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.30","versionEndExcluding":"5.4.126"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.30","versionEndExcluding":"5.10.44"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.30","versionEndExcluding":"5.12.11"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.30","versionEndExcluding":"5.13"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/8958181c1663e24a13434448e7d6b96b5d04900a"},{"url":"https://git.kernel.org/stable/c/db08ce595dd64ea9859f7d088b51cbfc8e685c66"},{"url":"https://git.kernel.org/stable/c/2dc85045ae65b9302a1d2e2ddd7ce4c030153a6a"},{"url":"https://git.kernel.org/stable/c/79296e292d67fa7b5fb8d8c27343683e823872c8"},{"url":"https://git.kernel.org/stable/c/7a696ce1d5d16a33a6cd6400bbcc0339b2460e11"},{"url":"https://git.kernel.org/stable/c/45d83db4728127944b237c0c8248987df9d478e7"},{"url":"https://git.kernel.org/stable/c/66a834d092930cf41d809c0e989b13cd6f9ca006"}],"title":"scsi: 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