{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2021-47480","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-05-22T06:20:56.200Z","datePublished":"2024-05-22T08:19:32.839Z","dateUpdated":"2025-12-18T11:37:39.221Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-12-18T11:37:39.221Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: core: Put LLD module refcnt after SCSI device is released\n\nSCSI host release is triggered when SCSI device is freed. We have to make\nsure that the low-level device driver module won't be unloaded before SCSI\nhost instance is released because shost->hostt is required in the release\nhandler.\n\nMake sure to put LLD module refcnt after SCSI device is released.\n\nFixes a kernel panic of 'BUG: unable to handle page fault for address'\nreported by Changhui and Yi."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/scsi.c","drivers/scsi/scsi_sysfs.c"],"versions":[{"version":"65110b2168950a19cc78b5027ed18cb811fbdae8","lessThan":"1105573d964f7b78734348466b01f5f6ba8a1813","status":"affected","versionType":"git"},{"version":"65110b2168950a19cc78b5027ed18cb811fbdae8","lessThan":"8e4814a461787e15a31d322d9efbe0d4f6822428","status":"affected","versionType":"git"},{"version":"65110b2168950a19cc78b5027ed18cb811fbdae8","lessThan":"61a0faa89f21861d1f8d059123b5c285a5d9ffee","status":"affected","versionType":"git"},{"version":"65110b2168950a19cc78b5027ed18cb811fbdae8","lessThan":"c2df161f69fb1c67f63adbd193368b47f511edc0","status":"affected","versionType":"git"},{"version":"65110b2168950a19cc78b5027ed18cb811fbdae8","lessThan":"1ce287eff9f23181d5644db787f472463a61f68b","status":"affected","versionType":"git"},{"version":"65110b2168950a19cc78b5027ed18cb811fbdae8","lessThan":"7b57c38d12aed1b5d92f74748bed25e0d041729f","status":"affected","versionType":"git"},{"version":"65110b2168950a19cc78b5027ed18cb811fbdae8","lessThan":"f30822c0b4c35ec86187ab055263943dc71a6836","status":"affected","versionType":"git"},{"version":"65110b2168950a19cc78b5027ed18cb811fbdae8","lessThan":"f2b85040acec9a928b4eb1b57a989324e8e38d3f","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/scsi.c","drivers/scsi/scsi_sysfs.c"],"versions":[{"version":"2.6.16","status":"affected"},{"version":"0","lessThan":"2.6.16","status":"unaffected","versionType":"semver"},{"version":"4.4.292","lessThanOrEqual":"4.4.*","status":"unaffected","versionType":"semver"},{"version":"4.9.290","lessThanOrEqual":"4.9.*","status":"unaffected","versionType":"semver"},{"version":"4.14.255","lessThanOrEqual":"4.14.*","status":"unaffected","versionType":"semver"},{"version":"4.19.216","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.158","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.78","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.14.17","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":"2.6.16","versionEndExcluding":"4.4.292"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.16","versionEndExcluding":"4.9.290"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.16","versionEndExcluding":"4.14.255"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.16","versionEndExcluding":"4.19.216"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.16","versionEndExcluding":"5.4.158"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.16","versionEndExcluding":"5.10.78"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.16","versionEndExcluding":"5.14.17"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.16","versionEndExcluding":"5.15"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/1105573d964f7b78734348466b01f5f6ba8a1813"},{"url":"https://git.kernel.org/stable/c/8e4814a461787e15a31d322d9efbe0d4f6822428"},{"url":"https://git.kernel.org/stable/c/61a0faa89f21861d1f8d059123b5c285a5d9ffee"},{"url":"https://git.kernel.org/stable/c/c2df161f69fb1c67f63adbd193368b47f511edc0"},{"url":"https://git.kernel.org/stable/c/1ce287eff9f23181d5644db787f472463a61f68b"},{"url":"https://git.kernel.org/stable/c/7b57c38d12aed1b5d92f74748bed25e0d041729f"},{"url":"https://git.kernel.org/stable/c/f30822c0b4c35ec86187ab055263943dc71a6836"},{"url":"https://git.kernel.org/stable/c/f2b85040acec9a928b4eb1b57a989324e8e38d3f"}],"title":"scsi: 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