{ "schema_version": "1.4.0", "id": "GHSA-7hc7-vjj6-4p36", "modified": "2022-05-24T19:12:28Z", "published": "2022-05-24T19:12:28Z", "aliases": [ "CVE-2021-29631" ], "details": "In FreeBSD 13.0-STABLE before n246941-20f96f215562, 12.2-STABLE before r370400, 11.4-STABLE before r370399, 13.0-RELEASE before p4, 12.2-RELEASE before p10, and 11.4-RELEASE before p13, certain VirtIO-based device models in bhyve failed to handle errors when fetching I/O descriptors. A malicious guest may cause the device model to operate on uninitialized I/O vectors leading to memory corruption, crashing of the bhyve process, and possibly arbitrary code execution in the bhyve process.", "severity": [], "affected": [], "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-29631" }, { "type": "WEB", "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-21:13.bhyve.asc" }, { "type": "WEB", "url": "https://security.netapp.com/advisory/ntap-20210923-0004" } ], "database_specific": { "cwe_ids": [ "CWE-908" ], "severity": "HIGH", "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2021-08-30T18:15:00Z" } }