{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2021-47138", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-03-04T18:12:48.841Z", "datePublished": "2024-03-25T09:07:37.414Z", "dateUpdated": "2024-08-04T05:24:39.941Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-05-29T05:02:46.634Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncxgb4: avoid accessing registers when clearing filters\n\nHardware register having the server TID base can contain\ninvalid values when adapter is in bad state (for example,\ndue to AER fatal error). Reading these invalid values in the\nregister can lead to out-of-bound memory access. So, fix\nby using the saved server TID base when clearing filters."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c"], "versions": [{"version": "b1a79360ee86", "lessThan": "0bf49b3c8d8b", "status": "affected", "versionType": "git"}, {"version": "b1a79360ee86", "lessThan": "02f03883fdb1", "status": "affected", "versionType": "git"}, {"version": "b1a79360ee86", "lessThan": "285207a558ab", "status": "affected", "versionType": "git"}, {"version": "b1a79360ee86", "lessThan": "88c380df84fb", "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/chelsio/cxgb4/cxgb4_filter.c"], "versions": [{"version": "5.2", "status": "affected"}, {"version": "0", "lessThan": "5.2", "status": "unaffected", "versionType": "custom"}, {"version": "5.4.124", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "custom"}, {"version": "5.10.42", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "custom"}, {"version": "5.12.9", "lessThanOrEqual": "5.12.*", "status": "unaffected", "versionType": "custom"}, {"version": "5.13", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/0bf49b3c8d8b3a43ce09f1b2db70e5484d31fcdf"}, {"url": "https://git.kernel.org/stable/c/02f03883fdb10ad7e66717c70ea163a8d27ae6e7"}, {"url": "https://git.kernel.org/stable/c/285207a558ab456aa7d8aa877ecc7e91fcc51710"}, {"url": "https://git.kernel.org/stable/c/88c380df84fbd03f9b137c2b9d0a44b9f2f553b0"}], "title": "cxgb4: avoid accessing registers when clearing filters", "x_generator": {"engine": "bippy-a5840b7849dd"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2024-06-26T20:36:36.021064Z", "id": "CVE-2021-47138", "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": "2024-06-26T20:36:44.313Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:24:39.941Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/0bf49b3c8d8b3a43ce09f1b2db70e5484d31fcdf", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/02f03883fdb10ad7e66717c70ea163a8d27ae6e7", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/285207a558ab456aa7d8aa877ecc7e91fcc51710", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/88c380df84fbd03f9b137c2b9d0a44b9f2f553b0", "tags": ["x_transferred"]}]}]}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncxgb4: avoid accessing registers when clearing filters\n\nHardware register having the server TID base can contain\ninvalid values when adapter is in bad state (for example,\ndue to AER fatal error). Reading these invalid values in the\nregister can lead to out-of-bound memory access. So, fix\nby using the saved server TID base when clearing filters."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: cxgb4: evita acceder a los registros al borrar los filtros El registro de hardware que tiene la base TID del servidor puede contener valores no v\u00e1lidos cuando el adaptador est\u00e1 en mal estado (por ejemplo, debido a un error fatal de AER). Leer estos valores no v\u00e1lidos en el registro puede provocar un acceso a la memoria fuera de l\u00edmites. Por lo tanto, solucione el problema utilizando la base TID del servidor guardado al borrar los filtros."}], "id": "CVE-2021-47138", "lastModified": "2024-03-25T13:47:14.087", "metrics": {}, "published": "2024-03-25T09:15:08.427", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/02f03883fdb10ad7e66717c70ea163a8d27ae6e7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0bf49b3c8d8b3a43ce09f1b2db70e5484d31fcdf"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/285207a558ab456aa7d8aa877ecc7e91fcc51710"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/88c380df84fbd03f9b137c2b9d0a44b9f2f553b0"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"affected_release": [{"advisory": "RHSA-2024:6297", "cpe": "cpe:/o:redhat:rhel_aus:8.6", "package": "kernel-0:4.18.0-372.121.1.el8_6", "product_name": "Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support", "release_date": "2024-09-04T00:00:00Z"}, {"advisory": "RHSA-2024:6297", "cpe": "cpe:/o:redhat:rhel_tus:8.6", "package": "kernel-0:4.18.0-372.121.1.el8_6", "product_name": "Red Hat Enterprise Linux 8.6 Telecommunications Update Service", "release_date": "2024-09-04T00:00:00Z"}, {"advisory": "RHSA-2024:6297", "cpe": "cpe:/o:redhat:rhel_e4s:8.6", "package": "kernel-0:4.18.0-372.121.1.el8_6", "product_name": "Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions", "release_date": "2024-09-04T00:00:00Z"}], "bugzilla": {"description": "kernel: cxgb4: avoid accessing registers when clearing filters", "id": "2271484", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2271484"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H", "status": "verified"}, "cwe": "CWE-125", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ncxgb4: avoid accessing registers when clearing filters\nHardware register having the server TID base can contain\ninvalid values when adapter is in bad state (for example,\ndue to AER fatal error). Reading these invalid values in the\nregister can lead to out-of-bound memory access. So, fix\nby using the saved server TID base when clearing filters.", "A vulnerability was found in the Linux kernel whereby hardware registries that have the server TID base may contain invalid values when the adapter is in a bad state. Reading these invalid values can result in out-of-bounds memory access, which can cause memory corruption or crashes."], "name": "CVE-2021-47138", "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": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "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": "2024-03-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-47138\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-47138\nhttps://lore.kernel.org/linux-cve-announce/2024032557-CVE-2021-47138-9241@gregkh/T"], "threat_severity": "Moderate", "upstream_fix": "kernel 5.4.124, kernel 5.10.42, kernel 5.12.9, kernel 5.13"}