{"dataType": "CVE_RECORD", "dataVersion": "5.1", "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": "2024-12-19T07:43:37.250Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-12-19T07:43:37.250Z"}, "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": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "8ca9745efe3528feb06ca4e117188038eea2d351", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "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": "5.14.14", "lessThanOrEqual": "5.14.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"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-5f407fcff5a0"}}, "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"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:39:59.748Z"}, "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"]}]}]}}

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{"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."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: dm rq: no poner en cola la solicitud a blk-mq durante la suspensi\u00f3n de DM. DM utiliza la funci\u00f3n de reposo/inquiesce de blk-mq para detener/iniciar la cola del asignador de dispositivos. Pero la inquietud de blk-mq puede provenir de eventos externos, como el cambio de ascensor, la actualizaci\u00f3n de nr_requests u otros, y la solicitud puede ocurrir durante la suspensi\u00f3n, as\u00ed que simplemente solicite que blk-mq la vuelva a poner en cola. Soluciona un problema de p\u00e1nico del kernel al ejecutar la actualizaci\u00f3n de nr_requests y la prueba de esfuerzo de suspensi\u00f3n/reanudaci\u00f3n de dm-mpath."}], "id": "CVE-2021-47498", "lastModified": "2024-11-21T06:36:20.400", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2024-05-22T09:15:11.673", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8ca9745efe3528feb06ca4e117188038eea2d351"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b4459b11e84092658fa195a2587aff3b9637f0e7"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/8ca9745efe3528feb06ca4e117188038eea2d351"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/b4459b11e84092658fa195a2587aff3b9637f0e7"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"affected_release": [{"advisory": "RHSA-2022:1988", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "kernel", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2022-05-10T00:00:00Z"}], "bugzilla": {"description": "kernel: dm rq: don't queue request to blk-mq during DM suspend", "id": "2282917", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2282917"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-399", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ndm rq: don't queue request to blk-mq during DM suspend\nDM uses blk-mq's quiesce/unquiesce to stop/start device mapper queue.\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.\nFixes one kernel panic issue when running updating nr_requests and\ndm-mpath suspend/resume stress test."], "name": "CVE-2021-47498", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Will not fix", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-05-22T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-47498\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-47498\nhttps://lore.kernel.org/linux-cve-announce/2024052243-CVE-2021-47498-dc02@gregkh/T"], "statement": "This issue is fixed in RHEL-8.6 and above (including 8.10):\n~~~\nin (rhel-8.6, rhel-8.7, rhel-8.8, rhel-8.9, rhel-8.10) dm rq: don't queue request to blk-mq during DM suspend\n~~~", "threat_severity": "Moderate", "upstream_fix": "kernel 5.14.14, kernel 5.15"}