{"schemaVersion":3,"id":"CVE-2021-29631","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"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 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| 11.4:p1 | 11.4:p10 | 11.4:p11 | 11.4:p12 | 11.4:p13 | 11.4:p2 | 11.4:p3 | 11.4:p4 | 11.4:p5 | 11.4:p6 | 11.4:p7 | 11.4:p8 | 11.4:p9 | 12.2 | 12.2:p1 | 12.2:p10 | 12.2:p2 | 12.2:p3 | 12.2:p4 | 12.2:p5 | 12.2:p6 | 12.2:p7 | 12.2:p8 | 12.2:p9 | 13.0 | 13.0:p1 | 13.0:p2 | 13.0:p3","eol":{"isEol":true,"eolDate":"2021-09-30T00:00:00.000Z","matchMethod":"cpe","cycle":{"name":"11.4","label":"releng/11.4","eolFrom":"2021-09-30T00:00:00.000Z","isLts":false,"isMaintained":false,"latestVersion":null},"product":{"name":"freebsd","label":"FreeBSD","category":"os"}},"hubHref":"/vendor/freebsd/freebsd"}],"affectedCount":1,"eol":{"hasEol":true,"count":1},"references":[{"url":"https://security.FreeBSD.org/advisories/FreeBSD-SA-21:13.bhyve.asc","label":"security.freebsd.org/advisories/FreeBSD-SA-21:13.bhyve.asc","hostname":"security.freebsd.org","tags":["X Refsource MISC","Vendor 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