{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-47485","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-05-22T06:20:56.201Z","datePublished":"2024-05-22T08:19:36.158Z","dateUpdated":"2025-05-04T07:12:06.695Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T07:12:06.695Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nIB/qib: Protect from buffer overflow in struct qib_user_sdma_pkt fields\n\nOverflowing either addrlimit or bytes_togo can allow userspace to trigger\na buffer overflow of kernel memory. Check for overflows in all the places\ndoing math on user controlled buffers."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/infiniband/hw/qib/qib_user_sdma.c"],"versions":[{"version":"f931551bafe1f10ded7f5282e2aa162c267a2e5d","lessThan":"bda41654b6e0c125a624ca35d6d20beb8015b5d0","status":"affected","versionType":"git"},{"version":"f931551bafe1f10ded7f5282e2aa162c267a2e5d","lessThan":"3f57c3f67fd93b4da86aeffea1ca32c484d054ad","status":"affected","versionType":"git"},{"version":"f931551bafe1f10ded7f5282e2aa162c267a2e5d","lessThan":"60833707b968d5ae02a75edb7886dcd4a957cf0d","status":"affected","versionType":"git"},{"version":"f931551bafe1f10ded7f5282e2aa162c267a2e5d","lessThan":"73d2892148aa4397a885b4f4afcfc5b27a325c42","status":"affected","versionType":"git"},{"version":"f931551bafe1f10ded7f5282e2aa162c267a2e5d","lessThan":"0f8cdfff06829a0b0348b6debc29ff6a61967724","status":"affected","versionType":"git"},{"version":"f931551bafe1f10ded7f5282e2aa162c267a2e5d","lessThan":"c3e17e58f571f34c51aeb17274ed02c2ed5cf780","status":"affected","versionType":"git"},{"version":"f931551bafe1f10ded7f5282e2aa162c267a2e5d","lessThan":"0d4395477741608d123dad51def9fe50b7ebe952","status":"affected","versionType":"git"},{"version":"f931551bafe1f10ded7f5282e2aa162c267a2e5d","lessThan":"d39bf40e55e666b5905fdbd46a0dced030ce87be","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/infiniband/hw/qib/qib_user_sdma.c"],"versions":[{"version":"2.6.35","status":"affected"},{"version":"0","lessThan":"2.6.35","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":"5.4.157","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.77","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.14.16","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":"2.6.35","versionEndExcluding":"4.4.292"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.35","versionEndExcluding":"4.9.290"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.35","versionEndExcluding":"4.14.255"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.35","versionEndExcluding":"4.19.216"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.35","versionEndExcluding":"5.4.157"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.35","versionEndExcluding":"5.10.77"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.35","versionEndExcluding":"5.14.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.35","versionEndExcluding":"5.15"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/bda41654b6e0c125a624ca35d6d20beb8015b5d0"},{"url":"https://git.kernel.org/stable/c/3f57c3f67fd93b4da86aeffea1ca32c484d054ad"},{"url":"https://git.kernel.org/stable/c/60833707b968d5ae02a75edb7886dcd4a957cf0d"},{"url":"https://git.kernel.org/stable/c/73d2892148aa4397a885b4f4afcfc5b27a325c42"},{"url":"https://git.kernel.org/stable/c/0f8cdfff06829a0b0348b6debc29ff6a61967724"},{"url":"https://git.kernel.org/stable/c/c3e17e58f571f34c51aeb17274ed02c2ed5cf780"},{"url":"https://git.kernel.org/stable/c/0d4395477741608d123dad51def9fe50b7ebe952"},{"url":"https://git.kernel.org/stable/c/d39bf40e55e666b5905fdbd46a0dced030ce87be"}],"title":"IB/qib: Protect from buffer overflow in struct qib_user_sdma_pkt fields","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2021-47485","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-05-22T18:45:08.968768Z"}}}],"providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-06-04T17:14:26.389Z"}},{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-04T05:39:59.745Z"},"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/bda41654b6e0c125a624ca35d6d20beb8015b5d0","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/3f57c3f67fd93b4da86aeffea1ca32c484d054ad","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/60833707b968d5ae02a75edb7886dcd4a957cf0d","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/73d2892148aa4397a885b4f4afcfc5b27a325c42","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/0f8cdfff06829a0b0348b6debc29ff6a61967724","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/c3e17e58f571f34c51aeb17274ed02c2ed5cf780","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/0d4395477741608d123dad51def9fe50b7ebe952","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/d39bf40e55e666b5905fdbd46a0dced030ce87be","tags":["x_transferred"]}]}]}}