CVE-2021-47548

{"id": "CVE-2021-47548", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2024-05-24T15:15:19.693", "references": [{"url": "https://git.kernel.org/stable/c/22519eff7df2d88adcc2568d86046ce1e2b52803", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/948968f8747650447c8f21c9fdba0e1973be040b", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/99bb25cb6753beaf2c2bc37927c2ecc0ceff3f6d", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/a66998e0fbf213d47d02813b9679426129d0d114", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/abbd5faa0748d0aa95d5191d56ff7a17a6275bd1", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/dd07f8971b81ad98cc754b179b331b57f35aa1ff", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/fc7ffa7f10b9454a86369405d9814bf141b30627", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-129"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nethernet: hisilicon: hns: hns_dsaf_misc: fix a possible array overflow in hns_dsaf_ge_srst_by_port()\n\nThe if statement:\n if (port >= DSAF_GE_NUM)\n return;\n\nlimits the value of port less than DSAF_GE_NUM (i.e., 8).\nHowever, if the value of port is 6 or 7, an array overflow could occur:\n port_rst_off = dsaf_dev->mac_cb[port]->port_rst_off;\n\nbecause the length of dsaf_dev->mac_cb is DSAF_MAX_PORT_NUM (i.e., 6).\n\nTo fix this possible array overflow, we first check port and if it is\ngreater than or equal to DSAF_MAX_PORT_NUM, the function returns."}, {"lang": "es", "value": "En el kernel de Linux se ha resuelto la siguiente vulnerabilidad: ethernet: hisilicon: hns: hns_dsaf_misc: corrige un posible desbordamiento de matriz en hns_dsaf_ge_srst_by_port() La sentencia if: if (port >= DSAF_GE_NUM) return; limita el valor del puerto a menos de DSAF_GE_NUM (es decir, 8). Sin embargo, si el valor del puerto es 6 o 7, podr\u00eda producirse un desbordamiento de la matriz: port_rst_off = dsaf_dev->mac_cb[port]->port_rst_off; porque la longitud de dsaf_dev->mac_cb es DSAF_MAX_PORT_NUM (es decir, 6). Para solucionar este posible desbordamiento de la matriz, primero verificamos el puerto y si es mayor o igual a DSAF_MAX_PORT_NUM, la funci\u00f3n regresa."}], "lastModified": "2024-07-03T01:38:08.723", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}