{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2021-47164", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-03-25T09:12:14.109Z", "datePublished": "2024-03-25T09:16:17.592Z", "dateUpdated": "2026-05-11T13:49:12.867Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T13:49:12.867Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5e: Fix null deref accessing lag dev\n\nIt could be the lag dev is null so stop processing the event.\nIn bond_enslave() the active/backup slave being set before setting the\nupper dev so first event is without an upper dev.\nAfter setting the upper dev with bond_master_upper_dev_link() there is\na second event and in that event we have an upper dev." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/net/ethernet/mellanox/mlx5/core/en/rep/bond.c" ], "versions": [ { "version": "7e51891a237f9ea319f53f9beb83afb0077d88e6", "lessThan": "2e4b0b95a489259f9d35a3db17023061f8f3d587", "status": "affected", "versionType": "git" }, { "version": "7e51891a237f9ea319f53f9beb83afb0077d88e6", "lessThan": "bdfd3593a8248eea6ecfcbf7b47b56b86515672d", "status": "affected", "versionType": "git" }, { "version": "7e51891a237f9ea319f53f9beb83afb0077d88e6", "lessThan": "83026d83186bc48bb41ee4872f339b83f31dfc55", "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/net/ethernet/mellanox/mlx5/core/en/rep/bond.c" ], "versions": [ { "version": "5.8", "status": "affected" }, { "version": "0", "lessThan": "5.8", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.42", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.12.9", "lessThanOrEqual": "5.12.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.13", "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": "5.8", "versionEndExcluding": "5.10.42" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.8", "versionEndExcluding": "5.12.9" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.8", "versionEndExcluding": "5.13" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/2e4b0b95a489259f9d35a3db17023061f8f3d587" }, { "url": "https://git.kernel.org/stable/c/bdfd3593a8248eea6ecfcbf7b47b56b86515672d" }, { "url": "https://git.kernel.org/stable/c/83026d83186bc48bb41ee4872f339b83f31dfc55" } ], "title": "net/mlx5e: Fix null deref accessing lag dev", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "title": "CISA ADP Vulnrichment", "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2021-47164", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2024-03-28T18:24:43.257372Z" } } } ], "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-04T17:14:45.571Z" } }, { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:24:40.229Z" }, "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/2e4b0b95a489259f9d35a3db17023061f8f3d587", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/bdfd3593a8248eea6ecfcbf7b47b56b86515672d", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/83026d83186bc48bb41ee4872f339b83f31dfc55", "tags": [ "x_transferred" ] } ] } ] } }