{ "id": "CVE-2021-41073", "sourceIdentifier": "cve@mitre.org", "published": "2021-09-19T17:15:07.227", "lastModified": "2023-01-11T16:57:53.877", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "loop_rw_iter in fs/io_uring.c in the Linux kernel 5.10 through 5.14.6 allows local users to gain privileges by using IORING_OP_PROVIDE_BUFFERS to trigger a free of a kernel buffer, as demonstrated by using /proc//maps for exploitation." }, { "lang": "es", "value": "La funci\u00f3n loop_rw_iter en fs/io_uring.c en el kernel de Linux desde la versi\u00f3n 5.10 hasta la versi\u00f3n 5.14.6 permite a los usuarios locales ganar privilegios mediante el uso de IORING_OP_PROVIDE_BUFFERS para desencadenar una liberaci\u00f3n de un b\u00fafer del kernel, como se ha demostrado utilizando /proc//maps para su explotaci\u00f3n" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": 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"cve@mitre.org", "tags": [ "Patch", "Vendor Advisory" ] }, { "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/J7KSMIOQ4377CVTHMWNGNCWHMCRFRP2T/", "source": "cve@mitre.org", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PAP4TXEZ7J4EZQMQW5SIJMWXG7WZT3F7/", "source": "cve@mitre.org", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "https://security.netapp.com/advisory/ntap-20211014-0003/", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://www.debian.org/security/2021/dsa-4978", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] } ] }