{ "id": "CVE-2021-29264", "sourceIdentifier": "cve@mitre.org", "published": "2021-03-26T22:15:13.023", "lastModified": "2022-05-27T16:47:19.347", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "An issue was discovered in the Linux kernel through 5.11.10. drivers/net/ethernet/freescale/gianfar.c in the Freescale Gianfar Ethernet driver allows attackers to cause a system crash because a negative fragment size is calculated in situations involving an rx queue overrun when jumbo packets are used and NAPI is enabled, aka CID-d8861bab48b6." }, { "lang": "es", "value": "Se detect\u00f3 un problema en el kernel de Linux versiones hasta 5.11.10. El archivo drivers/net/ethernet/freescale/gianfar.c en el controlador Freescale Gianfar Ethernet permite a atacantes causar un bloqueo del sistema porque es calculado un tama\u00f1o de fragmento negativo en situaciones que implican un desbordamiento de la cola rx cuando son usados paquetes gigantes y NAPI est\u00e1 habilitado, tambi\u00e9n se conoce como CID -d8861bab48b6." } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 1.8, "impactScore": 3.6 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:L/AC:M/Au:N/C:N/I:N/A:C", "accessVector": "LOCAL", "accessComplexity": "MEDIUM", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 4.7 }, "baseSeverity": "MEDIUM", "exploitabilityScore": 3.4, "impactScore": 6.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "NVD-CWE-Other" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndIncluding": "5.11.10", "matchCriteriaId": "588B59BC-8D2A-4315-9383-2CE62CC9A2E4" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=d8861bab48b6c1fc3cdbcab8ff9d1eaea43afe7f", "source": "cve@mitre.org", "tags": [ "Patch", "Vendor Advisory" ] }, { "url": "https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] } ] }