{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2021-47286", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-05-21T13:27:52.129Z", "datePublished": "2024-05-21T14:34:47.372Z", "dateUpdated": "2026-05-11T13:51:33.148Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T13:51:33.148Z" }, "descriptions": [ { "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." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/bus/mhi/core/main.c" ], "versions": [ { "version": "1d3173a3bae7039b765a0956e3e4bf846dbaacb8", "lessThan": "3efec3b4b16fc7af25676a94230a8ab2a3bb867c", "status": "affected", "versionType": "git" }, { "version": "1d3173a3bae7039b765a0956e3e4bf846dbaacb8", "lessThan": "aed4f5b51aba41e2afd7cfda20a0571a6a67dfe9", "status": "affected", "versionType": "git" }, { "version": "1d3173a3bae7039b765a0956e3e4bf846dbaacb8", "lessThan": "546362a9ef2ef40b57c6605f14e88ced507f8dd0", "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/bus/mhi/core/main.c" ], "versions": [ { "version": "5.7", "status": "affected" }, { "version": "0", "lessThan": "5.7", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.54", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.13.6", "lessThanOrEqual": "5.13.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.14", "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": "5.7", "versionEndExcluding": "5.10.54" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.7", "versionEndExcluding": "5.13.6" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.7", "versionEndExcluding": "5.14" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/3efec3b4b16fc7af25676a94230a8ab2a3bb867c" }, { "url": "https://git.kernel.org/stable/c/aed4f5b51aba41e2afd7cfda20a0571a6a67dfe9" }, { "url": "https://git.kernel.org/stable/c/546362a9ef2ef40b57c6605f14e88ced507f8dd0" } ], "title": "bus: mhi: core: Validate channel ID when processing command completions", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2024-06-12T15:23:31.121673Z", "id": "CVE-2021-47286", "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": "2024-06-12T15:23:44.666Z" } }, { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:32:08.191Z" }, "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/3efec3b4b16fc7af25676a94230a8ab2a3bb867c", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/aed4f5b51aba41e2afd7cfda20a0571a6a67dfe9", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/546362a9ef2ef40b57c6605f14e88ced507f8dd0", "tags": [ "x_transferred" ] } ] } ] } }