CVE-2021-47286

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://git.kernel.org/stable/c/3efec3b4b16fc7af25676a94230a8ab2a3bb867c", "name": "https://git.kernel.org/stable/c/3efec3b4b16fc7af25676a94230a8ab2a3bb867c", "tags": ["Patch"], "refsource": ""}, {"url": "https://git.kernel.org/stable/c/3efec3b4b16fc7af25676a94230a8ab2a3bb867c", "name": "https://git.kernel.org/stable/c/3efec3b4b16fc7af25676a94230a8ab2a3bb867c", "tags": ["Patch"], "refsource": ""}, {"url": "https://git.kernel.org/stable/c/546362a9ef2ef40b57c6605f14e88ced507f8dd0", "name": "https://git.kernel.org/stable/c/546362a9ef2ef40b57c6605f14e88ced507f8dd0", "tags": ["Patch"], "refsource": ""}, {"url": "https://git.kernel.org/stable/c/546362a9ef2ef40b57c6605f14e88ced507f8dd0", "name": "https://git.kernel.org/stable/c/546362a9ef2ef40b57c6605f14e88ced507f8dd0", "tags": ["Patch"], "refsource": ""}, {"url": "https://git.kernel.org/stable/c/aed4f5b51aba41e2afd7cfda20a0571a6a67dfe9", "name": "https://git.kernel.org/stable/c/aed4f5b51aba41e2afd7cfda20a0571a6a67dfe9", "tags": ["Patch"], "refsource": ""}, {"url": "https://git.kernel.org/stable/c/aed4f5b51aba41e2afd7cfda20a0571a6a67dfe9", "name": "https://git.kernel.org/stable/c/aed4f5b51aba41e2afd7cfda20a0571a6a67dfe9", "tags": ["Patch"], "refsource": ""}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbus: mhi: core: Validate channel ID when processing command completions\n\nMHI reads the channel ID from the event ring element sent by the\ndevice which can be any value between 0 and 255. In order to\nprevent any out of bound accesses, add a check against the maximum\nnumber of channels supported by the controller and those channels\nnot configured yet so as to skip processing of that event ring\nelement."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-787"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-47286", "ASSIGNER": "cve@kernel.org"}}, "impact": {"baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}}, "publishedDate": "2024-05-21T15:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:5.14:rc1:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:5.14:rc2:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "5.13.6", "versionStartIncluding": "5.11"}, {"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "5.10.54", "versionStartIncluding": "5.7"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2025-04-30T14:26Z"}