CVE-2021-47605

{"id": "CVE-2021-47605", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2024-06-19T15:15:55.067", "references": [{"url": "https://git.kernel.org/stable/c/e6c67560b4341914bec32ec536e931c22062af65", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/ff9f9c6e74848170fcb45c8403c80d661484c8c9", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/e6c67560b4341914bec32ec536e931c22062af65", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/stable/c/ff9f9c6e74848170fcb45c8403c80d661484c8c9", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvduse: fix memory corruption in vduse_dev_ioctl()\n\nThe \"config.offset\" comes from the user. There needs to a check to\nprevent it being out of bounds. The \"config.offset\" and\n\"dev->config_size\" variables are both type u32. So if the offset if\nout of bounds then the \"dev->config_size - config.offset\" subtraction\nresults in a very high u32 value. The out of bounds offset can result\nin memory corruption."}, {"lang": "es", "value": "En el kernel de Linux se ha resuelto la siguiente vulnerabilidad: vduse: corrige corrupci\u00f3n de memoria en vduse_dev_ioctl() El \"config.offset\" proviene del usuario. Es necesario realizar un control para evitar que est\u00e9 fuera de los l\u00edmites. Las variables \"config.offset\" y \"dev->config_size\" son ambas del tipo u32. Entonces, si el desplazamiento est\u00e1 fuera de los l\u00edmites, entonces la resta \"dev->config_size - config.offset\" da como resultado un valor u32 muy alto. El desplazamiento fuera de los l\u00edmites puede provocar da\u00f1os en la memoria."}], "lastModified": "2024-11-21T06:36:39.147", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7A70FD7B-2EDC-4C3B-ADE0-880AA759CDD7", "versionEndExcluding": "5.15.11", "versionStartIncluding": "5.15"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.16:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "357AA433-37E8-4323-BFB2-3038D6E4B414"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.16:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A73429BA-C2D9-4D0C-A75F-06A1CA8B3983"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.16:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F621B5E3-E99D-49E7-90B9-EC3B77C95383"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.16:rc4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F7BFDCAA-1650-49AA-8462-407DD593F94F"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.16:rc5:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6EC9882F-866D-4ACB-8FBC-213D8D8436C8"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}