{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2021-47498","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-05-22T06:20:56.204Z","datePublished":"2024-05-22T08:19:44.803Z","dateUpdated":"2025-12-18T11:37:44.458Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-12-18T11:37:44.458Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndm rq: don't queue request to blk-mq during DM suspend\n\nDM uses blk-mq's quiesce/unquiesce to stop/start device mapper queue.\n\nBut blk-mq's unquiesce may come from outside events, such as elevator\nswitch, updating nr_requests or others, and request may come during\nsuspend, so simply ask for blk-mq to requeue it.\n\nFixes one kernel panic issue when running updating nr_requests and\ndm-mpath suspend/resume stress test."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/md/dm-rq.c"],"versions":[{"version":"7b17c2f7292ba1f3f98dae3f7077f9e569653276","lessThan":"8050652810bf38241edec8717393d2446e8036f1","status":"affected","versionType":"git"},{"version":"7b17c2f7292ba1f3f98dae3f7077f9e569653276","lessThan":"8ca9745efe3528feb06ca4e117188038eea2d351","status":"affected","versionType":"git"},{"version":"7b17c2f7292ba1f3f98dae3f7077f9e569653276","lessThan":"b4459b11e84092658fa195a2587aff3b9637f0e7","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/md/dm-rq.c"],"versions":[{"version":"4.10","status":"affected"},{"version":"0","lessThan":"4.10","status":"unaffected","versionType":"semver"},{"version":"5.10.241","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.14.14","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":"4.10","versionEndExcluding":"5.10.241"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.10","versionEndExcluding":"5.14.14"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.10","versionEndExcluding":"5.15"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/8050652810bf38241edec8717393d2446e8036f1"},{"url":"https://git.kernel.org/stable/c/8ca9745efe3528feb06ca4e117188038eea2d351"},{"url":"https://git.kernel.org/stable/c/b4459b11e84092658fa195a2587aff3b9637f0e7"}],"title":"dm rq: don't queue request to blk-mq during DM suspend","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","lang":"en","description":"CWE-noinfo Not enough information"}]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.5,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2024-05-29T17:07:40.388393Z","id":"CVE-2021-47498","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-11-01T13:48:59.332Z"}},{"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/8ca9745efe3528feb06ca4e117188038eea2d351","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/b4459b11e84092658fa195a2587aff3b9637f0e7","tags":["x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2025-11-03T17:30:58.877Z"}}]}}